DRAFT REPORT FOR 2013 AND 2014 GROUNDWATER SAMPLING … · DRAFT REPORT FOR . 2013 AND 2014 GROUNDWATER SAMPLING . AT THE FORMER TANK FARM . FAA STATION GUSTAVUS, ALASKA . OCTOBER

DRAFT REPORT FOR 2013 AND 2014 GROUNDWATER SAMPLING

AT THE FORMER TANK FARM FAA STATION GUSTAVUS, ALASKA

OCTOBER 31, 2014

Contract Number DTFAAL-10-D-00002 Task Order Number 0058

Prepared For:

Federal Aviation Administration Western Service Area

AAQ-530-ANM Acquisition Group 1601 Lind Ave SW

Renton, Washington 98057

Prepared By: Ahtna Engineering Services, LLC 110 West 38th Avenue, Suite 200A

Anchorage, Alaska 99503

(This Page Intentionally Left Blank)

2013-2014 Groundwater Sampling Report Former Tank Farm, Gustavus, Alaska FAA

APPROVAL PAGE

This Report for the 2013 and 2014 groundwater sampling at the former Tank Farm in Gustavus, Alaska has been prepared for the Federal Aviation Administration (FAA) by Ahtna Engineering Services, LLC (AES). The following people have reviewed and approved this Work Plan:

___________________________________ Monica Oakley Ahtna Engineering Services, LLC Project Manager ___________________________________ Olga Stewart Ahtna Engineering Services, LLC Quality Assurance __________________________________ Lauren Hess Ahtna Engineering Services, LLC Geologist

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TABLE OF CONTENTS

APPROVAL PAGE ....................................................................................................................... I ACRONYMS AND ABBREVIATIONS .................................................................................... V EXECUTIVE SUMMARY ...................................................................................................... VII 1.0 INTRODUCTION.............................................................................................................. 1

Project Objectives ............................................................................................................... 1 1.1 Historical Information ......................................................................................................... 1 1.21.2.1 2008 Site Investigation ................................................................................................. 2 1.2.2 2010 and 2011 Groundwater Monitoring ..................................................................... 2 1.2.3 2012 Remedial Investigation and Remedial Action ..................................................... 2

Location and Physical Setting ............................................................................................. 4 1.31.3.1 Geology and Soils ......................................................................................................... 4 1.3.2 Hydrology ..................................................................................................................... 4 1.3.3 Ecology ......................................................................................................................... 5

2.0 REGULATORY SETTING AND CLEANUP CRITERIA ........................................... 7 3.0 FIELD ACTIVITIES ......................................................................................................... 9

Monitoring Well Conversion .............................................................................................. 9 3.1 Monitoring Well Survey ..................................................................................................... 9 3.2 Groundwater Sampling ....................................................................................................... 9 3.3 Free Product Removal....................................................................................................... 10 3.4 Decontamination Procedures ............................................................................................ 10 3.5 Investigation-Derived Waste ............................................................................................ 10 3.6

4.0 ANALYTICAL SAMPLE RESULTS ............................................................................ 11 Analytical Groundwater Sample Results .......................................................................... 11 4.1 Monitored Natural Attenuation Parameters ...................................................................... 11 4.2

5.0 DATA REVIEW SUMMARY ........................................................................................ 13 Analytical Methods ........................................................................................................... 13 5.1 Precision ............................................................................................................................ 13 5.25.2.1 Field Duplicates .......................................................................................................... 13 5.2.1 Laboratory Sample Duplicates .................................................................................... 13

Accuracy ........................................................................................................................... 13 5.35.3.1 Laboratory Quality Control Samples .......................................................................... 13 5.3.2 Surrogates ................................................................................................................... 14

Representativeness ............................................................................................................ 14 5.4 Comparability ................................................................................................................... 14 5.5 Completeness .................................................................................................................... 14 5.6 Sensitivity ......................................................................................................................... 15 5.75.7.1 Limits of Detection ..................................................................................................... 15 5.7.2 Blank Results .............................................................................................................. 15

6.0 CONCLUSIONS .............................................................................................................. 17 7.0 REFERENCES ................................................................................................................. 19

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TABLES

In Text:

Table 2-1: Summary of Groundwater Cleanup Levels .................................................................. 7

Appended: Table 4-1 Summary of DRO, RRO, GRO, BTEX, TAH, and TAqH Groundwater Results Table 4-2 Summary of PAH Groundwater Results Table 4-3 Monitored Natural Attenuation Parameter Groundwater Data Table 4-4 Summary of Historical Monitored Natural Attenuation Data

FIGURES

Figure 1 State and Site Vicinity Figure 2 Site Plan Figure 3 Groundwater Sampling and Well Conversion Locations

APPENDICES

Appendix A Review Comments (Provided in Final Only) Appendix B Supplemental Field Information B-1 Photograph Log

B-2 Field Notes B-3 Groundwater Sampling Logs B-4 Disposal Documentation Appendix C Laboratory Data and Data Review C-1 Data Quality Reports C-2 ADEC Laboratory Data Review Checklists C-3 Laboratory Data Reports (Included on CD Only)

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ACRONYMS AND ABBREVIATIONS

± .....................plus or minus % ....................percent AAC ...............Alaska Administrative Code ACD ...............Alaska Community Database ADEC .............Alaska Department of Environmental Conservation AES ................Ahtna Engineering Services, LLC. AST ................aboveground storage tank bgs ..................below ground surface BTEX .............benzene, toluene, ethylbenzene, xylenes °C ...................degrees Celsius CSM ...............conceptual site model DO .................dissolved oxygen DOT&PF ........Department of Transportation and Public Facilities DRO ...............diesel-range organics ECIR ..............Environmental Compliance Investigation Report E & E..............Ecology and Environment, Inc. EPA ................United States Environmental Protection Agency FAA................Federal Aviation Administration Fe+2 .................Ferrous Iron GAC ...............granular activated carbon GRO ...............gasoline-range organics IDW................investigation-derived waste ITRC ..............Interstate Technology & Regulatory Council LCS/LCSD .....lab control sample/lab control sample duplicate LNAPL ...........light, non-aqueous phase liquid MB .................method blank MDL ...............method detection limit mg/kg .............milligrams per kilogram mg/L ...............milligrams per liter MNA ..............monitored natural attenuation MRL ...............method reporting limit MS/MSD ........matrix spike/matrix spike duplicate MW ................monitoring well NO3

-................Nitrate OASIS ............OASIS Environmental, Inc. ORP ................oxidation reduction potential PAH................polynuclear aromatic hydrocarbons PCBs ..............polychlorinated biphenyls RA ..................remedial action RCRA .............Resource Conservation and Recovery Act RI....................remedial investigation RPD ................relative percent difference RRO ...............residual-range organics SDG................sample delivery group

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SIM ................selective ion monitoring SO4

-2 ...............Sulfate TAH ...............Total Aromatic Hydrocarbons TAqH .............Total Aqueous Hydrocarbons USGS .............United States Geological Survey VOCs..............volatile organic compounds WP..................Work Plan WRCC ............Western Regional Climate Center

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EXECUTIVE SUMMARY

This report details the groundwater sampling activities performed at the former Tank Farm in Gustavus, Alaska in May 2013 and June 2014 under Contract No. DTFAAL-10-D-00002, Task Order 0058. Alaska Department of Environmental Conservation (ADEC) approval of the Final Work Plan (WP) was obtained prior to commencing fieldwork. The ADEC File and Hazard Identification numbers for the former Tank Farm are 1507.38.011 and 4368, respectively.

The primary objectives of the groundwater sampling activities performed at the former Tank Farm in May 2013 and June 2014 were the following:

1. Conduct free product removal from MW-4. 2. Collect groundwater samples from 10 monitoring wells (excluding MW-4 due to the

presence of free product). 3. During the 2013 fieldwork, convert MW-2, MW-4, and MW-6 from existing steel

aboveground casings to flush mount monitoring wells.

Existing aboveground monitoring wells, specifically MW-2 and MW-4, were converted to flush mount wells (Figure 4) in May 2013. The Alaska Department of Transportation (DOT) converted MW-6 to a flush mount in May 2014 after their paving project was completed.

A peristaltic pump with new disposable polyethylene tubing was used to collect groundwater samples from ten existing monitoring wells (MW-1, MW-2, MW-3R, MW-6, MW-8, MW-10, MW-11, MW-16, MW-17, and MW-18). Free product was observed in MW-4, so no groundwater samples were collected for laboratory analysis. Purging continued until the groundwater quality parameters stabilized, or at least three well volumes had been purged. Monitored natural attenuation (MNA) parameters of Nitrate (NO3-), Ferrous Iron (Fe+2), and Sulfate (SO4-2) were measured using a HACH DR/890 Colorimeter. Groundwater analytical samples were analyzed for DRO, RRO, GRO, BTEX, and PAH.

Approximately 1.2 quarts of free product/oil water was removed from MW-4 during the 2013 sampling activities, and approximately one cup of free product/oily water was removed during the 2014 groundwater sampling event. During both groundwater sampling events, MW-4 was monitored for measureable free product twice per day. Free product was measured and removed during the first removal event of the day, and no free product was observed at the end of the day during both the 2013 and 2014 sampling events.

Based on the analytical results for groundwater samples collected during the 2013 and 2014 field activities, contaminant concentrations in several monitoring wells (MW-1, MW-2, MW-6, and MW-10) are greater than the ADEC 18 AAC 75 Table C cleanup levels. The calculated total aromatic hydrocarbons (TAH) and total aqueous hydrocarbons (TAqH) for the samples collected from MW-1 and MW-2, which are located approximately 350 feet from the nearest surface water body, exceeded the ADEC surface water quality criteria (18 AAC 70.020) in 2014. TAqH calculated from the sample collected from MW-6 also exceeded the ADEC surface water quality criteria in 2014. The calculated TAH in MW-6 and the calculated TAH and TAqH for samples collected from all of the other monitoring wells during the 2013 and 2014 field investigations were within the surface water quality criteria.

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1.0 INTRODUCTION

Ahtna Engineering Services, LLC (AES) has developed this report to detail the groundwater sampling activities performed in 2013 and 2014 at the former Tank Farm in Gustavus, Alaska under Contract Number DTFAAL-10-D-00002, Task Order 0058. Alaska Department of Environmental Conservation (ADEC) approval of the final Work Plan (WP) was obtained prior to commencing fieldwork. The ADEC File and Hazard Identification numbers for the former Tank Farm are 1507.38.011 and 4368, respectively.

Project Objectives 1.1

Field work for this project was performed in May 2013 and June 2014. The primary objectives of the groundwater sampling activities at the former Tank Farm are summarized below:

1. Conduct free product removal from monitoring well-4 (MW-4). 2. Collect groundwater samples from 10 monitoring wells (excluding MW-4 due to the

presence of free product). 3. During the 2013 field work, convert MW-2, MW-4, and MW-6 from existing steel

aboveground casings to flush mount monitoring wells.

Historical Information 1.2

The former Tank Farm was constructed by the War Department in the early 1940s at a location in south Gustavus near the south end of State Dock Road (Figure 1). In 1945, the War Department transferred operations to the Civil Aeronautics Administration, which later transitioned to the Federal Aviation Administration (FAA). In 1965, operation of the former Tank Farm was transferred to the Department of Transportation and Public Facilities (DOT&PF). The former Tank Farm was sold to Gustavus Dray in the 1980s. In 2011, a new bulk fuel storage facility was constructed just east of the former Tank Farm. In early spring 2012, the former Tank Farm was decommissioned by Gustavus Dray.

The former Tank Farm measured approximately 38 feet by 75 feet and consisted of eight aboveground storage tank (ASTs) ranging in capacity from 7,500 to 20,000 gallons (Figure 2). The ASTs stored diesel, gasoline, and aviation fuel. A liner was installed beneath the former Tank Farm in 1983. The liner was covered with soil to protect it from exposure and potential damage by sunlight. Two 10,000-gallon ASTs previously located on the west side of State Dock Road were moved to the former Tank Farm location in 1985. Two fuel transfer pipelines extend from the former Tank Farm to the dock. A site plan of the former Tank Farm is shown on Figure 2.

Between 1945 and 1980, oil was spread through subsurface piping beneath the ASTs to minimize corrosion. A 1992 Environmental Compliance Investigation Report (ECIR) documented “soils adjacent to the tanks within the bermed area were stained with petroleum products.” No sampling was conducted at the former Tank Farm at that time. The AST labels indicated that the ASTs contained diesel. No evidence of contamination was observed beneath the pipeline (Ecology and Environment [E&E], 1992).

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1.2.1 2008 Site Investigation

A site investigation was conducted in 2008 by Shannon & Wilson to determine the extent of soil and groundwater contamination around the former Tank Farm. A total of 15 borings were advanced, and five permanent and 10 temporary monitoring wells were installed within two feet of each boring. Diesel-range organics (DRO) were detected in soil at concentrations greater than the ADEC Method Two Migration to Groundwater cleanup level (230 milligrams per kilogram [mg/kg]) in the borings adjacent to monitoring wells MW-1, MW-2, MW-3, and MW-4, and temporary monitoring well TMW-11. DRO concentrations ranged from 304 to 3,130 mg/kg in these borings at depths ranging from 8 to 12 feet below ground surface (bgs). Benzene was also detected at concentrations greater than the ADEC Method Two Migration to Groundwater cleanup level (0.025 mg/kg) in the borings adjacent to monitoring wells MW-1 and MW-4. Benzene concentrations ranged from 0.0709 to 0.592 mg/kg in these borings at depths ranging from 8 to 12 feet bgs. Two polynuclear aromatic hydrocarbon (PAH) compounds, 1-methylnaphthalene and 2-methylnaphthalene, were detected in the boring adjacent to MW-4 at concentrations of 7.09 and 105 mg/kg, respectively. These concentrations are greater than the ADEC Method Two Migration to Groundwater cleanup levels (6.2 and 6.1 mg/kg, respectively). Concentrations of gasoline-range organics (GRO), residual-range organics (RRO), toluene, ethylbenzene, xylenes, and metals were less than ADEC Method Two Migration to Groundwater cleanup levels in all soil samples.

During the 2008 site characterization, GRO, DRO, RRO, and benzene were detected at concentrations greater than ADEC 18 AAC 75.345 Table C groundwater cleanup levels in groundwater samples collected from several monitoring wells located around the former Tank Farm. Historical results are included in Tables 4-1 and 4-2.

1.2.2 2010 and 2011 Groundwater Monitoring

In 2010 and 2011, OASIS Environmental, Inc. (OASIS) conducted groundwater monitoring in the five permanent monitoring wells located around the former Tank Farm. During both sampling events, light, non-aqueous phase liquids (LNAPL) was observed in MW-4 (approximately 2 inches in 2010 and 0.24 inches in 2011) so no groundwater samples were collected from this monitoring well. During the 2010 sampling event, contaminants detected at concentrations greater than the ADEC 18 AAC 75 Table C groundwater cleanup levels included DRO and RRO in MW-2, and benzene in MW-1, MW-2, and MW-6. When OASIS returned to the site in October 2010 to retrieve pressure transducer data, it was noted that recent trenching activities had caused MW-3 to be full of sand and was no longer usable for future monitoring activities.

During the 2011 sampling event, contaminants detected at concentrations greater than the ADEC Table C groundwater cleanup levels included DRO and RRO in MW-2, and benzene in MW-1. Historical groundwater sample results are included in Tables 4-1 and 4-2.

1.2.3 2012 Remedial Investigation and Remedial Action

In 2012, Remedial Investigation (RI) and Remedial Action (RA) activities were performed by AES. After the former Tank Farm was decommissioned in spring 2012 and prior to RI and RA



activities, AES advanced five test pits beneath five former ASTs located within the former Tank Farm footprint. Several soil samples were analyzed for DRO, RRO, GRO, and volatile organic compounds (VOCs). Six soil samples were also analyzed for PAH, Resource Conservation and Recovery Act (RCRA) metals, polychlorinated biphenyls (PCBs), and pesticides to determine whether the contaminated soil would be classified as hazardous or non-hazardous waste.

Waste characterization results indicated that soil in the former Tank Farm footprint was impacted with petroleum constituents, primarily DRO, and no RCRA-related wastes were noted. In addition, contaminants were detected at concentrations less than the applicable ADEC Method Two, Over 40-Inch Zone, Direct Contact, Outdoor Inhalation, and Ingestion pathway cleanup levels. RI and RA fieldwork was conducted in June 2012. AES advanced a total of 11 soil borings at the former Tank Farm and surrounding area. A total of 16 soil samples, plus two duplicate samples, were collected from the 11 borings. In addition, four surface soil samples were collected within the former Tank Farm footprint (AES, 2012).

All analytical soil sample results for DRO, RRO, PAH, benzene, toluene, ethylbenzene and xylenes (BTEX) were reported at concentrations less than the ADEC Method Two, Over 40-Inch Zone, Direct Contact, Ingestion, and Inhalation cleanup levels. DRO concentrations ranged from non-detect to 4,440 mg/kg; RRO concentrations ranged from non-detect to 892 mg/kg; GRO concentrations ranged from non-detect to 469 mg/kg; benzene concentrations ranged from non-detect to 0.411 mg/kg; toluene concentrations ranged from non-detect to 1.53 mg/kg; ethylbenzene concentrations ranged from non-detect to 3.94 mg/kg; xylenes concentrations ranged from non-detect to 46.7 mg/kg; 1-methylnaphthalene concentrations ranged from non-detect to 5.67 mg/kg; and 2-methylnaphthalene concentrations ranged from non-detect to 9.13 mg/kg. Therefore no soil was excavated from the location of the former Tank Farm during 2012 field activities.

AES collected 10 groundwater samples, plus one duplicate sample, from the monitoring wells located at the former Tank Farm. Insufficient groundwater was available in MW-4, so no groundwater samples were collected for laboratory analysis. Approximately 0.5 gallons of free product/groundwater was removed from MW-4 over the course of 4 days during 2012 field activities.

DRO, RRO, and benzene were detected at concentrations greater than the ADEC 18 AAC 75 Table C cleanup levels in MW-2. DRO was also detected at concentrations greater than the ADEC 18 AAC 75 Table C cleanup levels in MW-1 and MW-6. In addition, two PAH compounds, benzo(a)pyrene and dibenzo(a,h)anthracene, were detected at concentrations greater than the ADEC 18 AAC 75 Table C cleanup levels in MW-11. All other groundwater analytical results were less than the ADEC 18 AAC 75 Table C cleanup levels. Groundwater sample results are summarized in Tables 4-1 and 4-2.

The values of total aromatic hydrocarbons (TAH) and total aqueous hydrocarbons (TAqH) were calculated from BTEX and PAH analytical results for each groundwater sample. The calculated TAH for the sample collected from MW-2 exceeded the ADEC surface water quality criteria of 0.010 milligrams per liter (mg/L) (18 AAC 70.020). The calculated TAqH in MW-2 was within the surface water quality criteria of 0.015 mg/L. MW-2 is located approximately 350 feet from the nearest surface water body (Icy Strait). The calculated TAH and TAqH for samples collected



from all other monitoring wells during the 2012 field investigation were within the surface water quality criteria.

Location and Physical Setting 1.3

Gustavus is located approximately 45 miles west of Juneau. It is within Glacier Bay National Park and Preserve. Icy Passage is located to the south. The former Tank Farm is located in south Gustavus near the south end of State Dock Road at approximately 58.3935690º North Latitude and -135.7284890º West Longitude within Section 18, Township 40 South, Range 59 East, Copper River Meridian.

Gustavus is located in a maritime climate zone. Annual precipitation is heavy at approximately 55.7 inches of precipitation including 76 inches of snowfall (WRCC, 2014). Snow is prevalent from October through April. Average summer temperatures range from 52 to 63 degrees Fahrenheit (°F), and average winter temperatures range from 26 to 39 °F (Alaska Community Database [ACD], 2014). Lowest temperatures are generally seen in January and highest temperatures in July.

1.3.1 Geology and Soils Gustavus is located on a fluvial plain created by receding glaciers. A 1995 report prepared for United States Geological Survey (USGS) in cooperation with FAA reported the following:

Unconsolidated surficial materials around Gustavus include alluvial and glacial deposits. Moderately well-drained alluvial deposits are found along streams and rivers and consist of well-sorted silt, sand, and gravels. Glacial deposits consist of sand, silt, gravel, and boulders. Organic-rich soils occupy areas near Gustavus where the water table is shallow and the land gradient is less than 1 percent. The soils formed on glacial deposits near Gustavus are typically well drained and consists of 0.3 to 0.5 meters of dark-gray stratified silt loam.

Soils encountered in the area around the former Tank Farm during the site characterization by Shannon & Wilson in 2008 and by AES in 2012 were generally sand, silty sand, and sandy silt. Bedrock was not encountered to a maximum drilling depth of 17 feet. Exposed bedrock is located 6 miles northeast of Gustavus in the Chilkat Range and consists of sedimentary greywacke, mudstone, slate, and igneous intrusives (E&E, 1992).

1.3.2 Hydrology

The principle freshwater surface water bodies in Gustavus include the Salmon River and several small tributaries to Icy Strait. The closest surface water body to the former Tank Farm is Icy Passage, located approximately 350 to 400 feet south.

Shannon & Wilson reported in 2008 that the site was characterized by relatively flat topography and no standing water or drainage channels for surface water runoff were observed.

Groundwater beneath the Gustavus area is generally present within alluvial and glacial materials. Limited data collected during the 2010 and 2011 groundwater monitoring program at the former



Tank Farm indicated that groundwater flow direction in the this area varies with the tide and ranges from south-southwest during low tide to west-northwest during high tide. Groundwater measurements collected by AES during the June 2012 field activities indicated that groundwater flow was towards the southwest. Groundwater levels generally fluctuate by approximately 0.5 feet during each tidal cycle. Field conductivity measurements collected from groundwater monitoring wells at the former Tank Farm indicated groundwater may be impacted by saltwater intrusion (OASIS, 2011a; OASIS, 2011b).

During the site characterization by Shannon & Wilson in October 2008, groundwater levels ranged from 9.2 to 10.7 feet bgs in the elevated area immediately surrounding the former Tank Farm and road, and ranged from 4.7 to 8.7 feet bgs in areas away from the former Tank Farm and road (Shannon & Wilson, 2008). During the RI and RA activities by AES in 2012, groundwater levels were approximately 12 feet bgs in the elevated area immediately surrounding the former Tank Farm and road, and ranged from 6.2 to 9 feet bgs away from the former Tank Farm and road (AES, 2012).

Groundwater is the primary drinking water source for Gustavus residents. Most residents have individual water wells, septic tank systems, and full plumbing, and some residents utilize surface water sources. The closest residential lots are located approximately 0.5 mile northeast of the former Tank Farm.

1.3.3 Ecology

Areas surrounding Gustavus are characterized by western hemlock-Sitka spruce forests with understory dominated by alders, berries, and moss. Muskegs and bogs are interspersed throughout the forest. Vegetation in Gustavus consists of grass-sedge meadows. Shannon & Wilson reported in 2008 that ground cover in the former Tank Farm area is dominated by grasses with a few scattered conifers.

Moose, bear, deer, squirrels, pine martens, and voles are common in Gustavus. Gustavus serves as a migratory bird habitat and is home to seasonal waterfowl and shorebirds in the spring and fall. Various crab, starfish, and sea urchin species inhabit the marine environment adjacent to Gustavus. Fish common in the marine waters include Pacific Ocean perch, rockfish, cod, halibut, salmon, and steelhead trout. The Gustavus area is also habitat for many marine mammals including seals, sea lions, and sea otters.






2.0 REGULATORY SETTING AND CLEANUP CRITERIA

Contaminants of potential concern in groundwater at the former Tank Farm in Gustavus are identified in Table 2-1. The contaminants of concern were based on analytical results provided in previous reports and analytical results for samples collected during the 2013 and 2014 field activities. Analytical results for groundwater samples collected at the former Tank Farm in Gustavus were evaluated against ADEC 18 AAC 75 Table C cleanup levels (ADEC, 2012). Table 2-1 documents the groundwater cleanup levels for typical petroleum product contaminants.

TABLE 2-1: SUMMARY OF GROUNDWATER CLEANUP LEVELS

Analyte Groundwater Cleanup Level

(mg/L) DRO/RRO/GRO

DRO 1.5 RRO 1.1 GRO 2.2

Volatiles Benzene 0.005 Toluene 1.0

Ethylbenzene 0.7 Xylenes 10.0 PAHs

Acenaphthene 2.2 Acenaphthylene 2.2

Anthracene 11.0 Benzo(a)anthracene 0.0012

Benzo(a)pyrene 0.0002 Benzo(b)fluoranthene 0.0012 Benzo(g,h,i)perylene 1.1 Benzo(k)fluoranthene 0.012

Chrysene 0.12 Dibenzo(a,h)anthracene 0.00012

Fluoranthene 1.5 Fluorene 1.5

Indeno(1,2,3-cd)pyrene 0.0012 1-Methylnaphthalene 0.15 2-Methylnaphthalene 0.15

Naphthalene 0.73 Phenanthrene 11

Pyrene 1.1 Notes: Groundwater cleanup levels are provided in 18 AAC 75, Table C. DRO diesel-range organics PAH polynuclear aromatic hydrocarbons GRO gasoline-range organics RRO residual range organics mg/L milligrams per liter






3.0 FIELD ACTIVITIES

Fieldwork was conducted from May 12-14, 2013 and June 8-11, 2014. All work was performed in general accordance with the project WP (AES, 2013) and the scope of work.

Supplemental field information is provided in Appendix B. This information includes site photographs, field notes, monitoring well sampling forms, and disposal documentation.

Monitoring Well Conversion 3.1

Existing aboveground monitoring wells, specifically MW-2 and MW-4, were converted to flush mount wells (Figure 3) in May 2013. The Alaska DOT&PF converted MW-6 to a flush mount. The aboveground steel monuments were removed vertically with minimal disturbance to the ground in order to avoid disturbing the integrity of the monitoring well casing. Upon removal of the monument, the polyvinyl chloride casing was inspected for integrity. The wells were in good condition, allowing the casing to be cut down and a flush monument enclosure installed. Monitoring wells were completed with locking well caps and flush mount 8- by 12-inch manhole covers seated in approximately 6 inches of concrete apron, constructed to drain surface water away from the well.

Monitoring Well Survey 3.2

The monitoring well survey of the three wells that were converted to flush mount was conducted by DOT&PF. The well caps were locked and no AES or FAA personnel were on site when DOT&PF was surveying, so survey points were collected from the top of the metal casings. Because of this, the three wells surveyed by the DOT are not used to determine groundwater flow direction at the site. All monitoring wells were previously surveyed by an Alaska Registered Land Surveyor from DOWL HKM in 2012; the well casing elevations from that survey are used to calculate groundwater flow direction.

Groundwater Sampling 3.3

A peristaltic pump with new disposable polyethylene tubing was used to collect groundwater samples from ten existing monitoring wells (MW-1, MW-2, MW-3R, MW-6, MW-8, MW-10, MW-11, MW-16, MW-17, and MW-18). Free product was observed in MW-4, so no groundwater samples were collected for laboratory analysis. A water quality meter and flow-through cell were used to collect measurements of dissolved oxygen (DO), specific conductance, temperature, pH, and oxidation-reduction potential (ORP). A HACH 2100P turbidity meter was used to collect turbidity measurements. Purging continued until the groundwater quality parameters met the following stabilization criteria for three consecutive readings: pH plus or minus (±) 0.1, conductivity ±3 percent (%), temperature ±3%, ORP ±10 millivolts, DO ±10%, and turbidity ±10% or until at least three wells volumes had been purged. Field parameters were recorded at a rate of approximately one reading per 0.5 to 1.0 liters purged. Once groundwater stabilized, monitored natural attenuation (MNA) parameters of Nitrate (NO3

-), Ferrous Iron (Fe+2), and Sulfate (SO4

-2) were measured using a HACH DR/890 Colorimeter.



Groundwater analytical samples were analyzed for DRO, RRO, GRO, BTEX, and PAH. Completed groundwater sampling forms are provided in Appendix B.

Free Product Removal 3.4

Approximately 1.2 quarts of free product were removed from MW-4 during the 2013 sampling activities. Approximately one cup of free product and oily water was removed from MW-4 during the 2014 groundwater sampling event. During both groundwater sampling events, MW-4 was monitored for measureable free product twice per day. Free product was measured and removed during the first removal event of the day, and no free product was observed at the end of the day during both the 2013 and 2014 sampling events. Product was measured using fuel identification paste and an oil/water interface probe in 2013 and 2014, respectively. Free product in the well was removed using a peristaltic pump with dedicated tubing in 2013. In 2014, free product was removed from MW-4 using a product bailer. Product was collected in a 1.5-gallon steel drum and properly labelled.

Decontamination Procedures 3.5

All reusable sampling equipment, such as the water level meter, was decontaminated after every use. The decontamination procedure involved scrubbing the tools in a Liquinox and water solution, rinsing in clean water, and rinsing again in deionized water. Wastewater was collected and treated as investigation-derived waste (IDW).

Investigation-Derived Waste 3.6

Minimal quantities of IDW were generated during the course of groundwater sampling field activities. Non-hazardous solid wastes, including used nitrile gloves, paper towels, tubing, disposable bailers, the monitoring well aboveground casings, and other miscellaneous materials, were be transported and disposed of at the landfill in Gustavus.

Decontamination rinse water and monitoring well purge water was treated through a 5-gallon granular activated carbon (GAC) filter. The treated water was disposed of on the ground surface in a vegetated non-sensitive environment within the former Tank Farm area. The GAC filter was transported back to Anchorage for disposal as non-hazardous waste.

Free product and oily groundwater was disposed of in Gustavus. Disposal documentation for the free product/groundwater removed from MW-4 is provided in Appendix B.



4.0 ANALYTICAL SAMPLE RESULTS

Analytical Groundwater Sample Results 4.1

AES collected 10 groundwater samples plus one duplicate sample, both in 2013 and 2014, from the monitoring wells located at the former Tank Farm. One monitoring well, MW-4, contained measureable product so groundwater analytical samples were not collected from this monitoring well.

DRO was detected at concentrations exceeding the ADEC Table C Groundwater cleanup level in 2013 in samples from MW-1 and MW-2. In 2014, DRO was greater than the ADEC cleanup level in MW-2, MW-6, and MW-10. RRO exceeded in the ADEC cleanup level in groundwater samples from MW-2 in 2013 and MW-6 in 2014. Benzene was detected greater than the ADEC groundwater cleanup level during the 2013 sampling event in MW-2. Benzene exceeded the cleanup level in 2014 in MW-1, its duplicate sample, and MW-2. All other analytical groundwater results, including PAHs, were less than the ADEC 18 AAC 75 Table C cleanup levels. Monitoring well locations and select groundwater sample results are shown on Figure 4. Analytical groundwater sample results are summarized in Tables 4-1 and 4-2, along with historic results for comparison.

The values of TAH and TAqH were calculated from BTEX and PAH analytical results for each groundwater sample. The calculated TAH for the sample collected from MW-1 exceeded the ADEC surface water quality criteria (18 AAC 70.020) in 2013. Both the calculated TAH and TAqH values from the MW-1 sample exceeded surface water quality criteria in 2014. The calculated TAH and TAqH in MW-2 exceeded the surface water quality criteria during both sampling events. The TAqH value calculated from the 2014 sample from MW-6 exceeded surface water quality criteria. The calculated TAH and TAqH for samples collected from all of the other monitoring wells during the 2013 and 2014 field investigations were within the surface water quality criteria. TAH and TAqH values are included in the groundwater sample results summarized in Table 4-1.

Monitored Natural Attenuation Parameters 4.2

MNA parameters of nitrate, ferrous iron, and sulfate were measured in the field using a HACH DR/890 Colorimeter during 2014 sampling activities. Table 4-3 summarizes the field measured MNA parameter results. Monitoring well MW-8 located north and upgradient of the former Tank Farm source area was installed in an area not impacted by petroleum hydrocarbons with the intent to provide background MNA parameter values for comparison against values from within and around the petroleum hydrocarbon source area.

MNA parameter results indicate a biodegrading plume in the direction of the groundwater flow. MW-8, the background monitoring well, had high oxygen content at 8.21 mg/L indicating aerobic conditions, and a high ORP at 114.6 mV indicating highly oxidizing conditions. It had low levels of nitrate (0.0 mg/L), ferrous iron (0.17 mg/L), and sulfate (1.0 mg/L).

MNA parameters were collected from three wells in the source area: MW-1, MW-2, and MW-6. Results indicated reduced oxygen compared to the background well, although still aerobic



conditions (>0.5 mg/L). These wells also showed reduced ORP, indicating reducing conditions rather than oxidizing, which is somewhat contradictory. Additional data indicates no major change in nitrate, ferrous iron, or sulfate, which supports the conclusion that aerobic conditions prevail despite the lower ORP.

Continuing downgradient in the dissolved phase area of the plume, MW-10 results show oxygen being heavily reduced to nearly anaerobic conditions, ORP reduced to iron reduction range, and ferrous iron elevated above the standard threshold of 1.0 mg/L. These results indicate anaerobic conditions with iron being used as the electron acceptor. Nitrate was measured at 0.0 mg/L, indicating that nitrate has been depleted prior to iron reduction.

Results are generally comparable to previous MNA data collected in 2010, 2011, and 2012, with the conditions appearing generally more conducive to aerobic biodegradation with time. It should be noted that the DO and ORP MNA parameters collected during the 2010 and 2011 groundwater monitoring events were collected with a difference water quality meter than that used in during the 2012 field activities. In addition, the sulfate and ferrous iron were analyzed by a laboratory during the 2010 and 2011 groundwater monitoring events and in the field using a HACH DR/890 Colorimeter during the 2012 and 2014 field activities. Also, nitrogen was analyzed by the laboratory in 2010 and 2011 while nitrate was collected in the field in 2012 and 2014. Historic MNA parameter groundwater data from the 2010, 2011, and 2012 sampling events are provided in Table 4-4.



5.0 DATA REVIEW SUMMARY

Two sample delivery groups (SDGs) were reviewed as part of the data quality effort. Laboratory analyses were conducted by TestAmerica Laboratories located in Anchorage, Alaska and Spokane, Washington. The SDGs were numbered J151-1 and J38471-1. Laboratory reports, ADEC data quality checklists, and data quality reports are provided in Appendix C.

Analytical Methods 5.1

The following analytical methods were performed on project samples. All samples were analyzed for the same suite of analyses.

• GRO and BTEX by Alaska Method 101/8021B • DRO and RRO by Alaska Method 102/103 • PAH by Environmental Protection Agency (EPA) Method 8270 Selective Ion

Monitoring (SIM)

Precision 5.2

5.2.1 Field Duplicates

During the 2013 and 2014 sampling events, one field duplicate pair was collected for a total of 10 field groundwater samples for each event. All duplicate relative percent differences (RPDs) of detected duplicate values were within the recommended RPD limit of 30 percent. Results are considered usable for supporting project decisions.

5.2.1 Laboratory Sample Duplicates

Analyses of laboratory control samples (LCS) and laboratory control sample duplicates (LCSD) for target analytes met laboratory and project quality control goals for target analytes in both SDGs. Therefore no qualifications were made. A matrix spike (MS) and matrix spike duplicate MSD) site-specific sample was not designated. The laboratory MS/MSD RPDs were within laboratory limits.

Accuracy 5.3

5.3.1 Laboratory Quality Control Samples

In 2013, The LCS/LCSD percent recoveries were within laboratory limits. An MS/MSD site-specific sample was not designated. The laboratory MS/MSD percent recoveries were within laboratory limits.

The LCS/LCSD for batches 161556 and 161425 in 2014 contained analytes that were recovered at concentrations above control limits. These analytes were not detected in associated samples therefore no qualifications were made based on this. An MS/MSD site-specific sample was not designated. The laboratory MS/MSD percent recoveries were within laboratory limits.



5.3.2 Surrogates

Surrogates recoveries represent the extraction efficiencies for groups of analytes within a sample. All surrogate recoveries from the 2013 samples were within laboratory limits. The surrogate recovery in 2014 was above control limits for method 8260B for samples MW8-06-10-2014 (230-151-7), LCS 580-161425/4, and MB580-161425/3. Sample MW8-06-10-2014 was flagged “J” for all volatile results. An additional LCS/LCSD and method blank (MB) sample was run therefore no qualifications were made on the failed surrogate recoveries. All additional surrogate recoveries were within laboratory limits.

Representativeness 5.4

Representativeness is a qualitative parameter used to assess whether sample results are representative of true site conditions. Representativeness relative to analytical measurements is primarily influenced by application of consistent sampling and analytical methodology. The sampling network was designed to assess current site conditions in the site-specific study unit. The following measures were taken to address the representativeness of any material collected for analysis:

1. Sample collection was performed by a qualified person as required by 18 AAC 78 using methods listed in the WP (AES, 2013).

1. To minimize the potential for cross-contamination, new disposable collection equipment and new, pre-cleaned containers were used as specified in the WP (AES, 2013).

2. Field instruments and measuring devices were calibrated daily and operated in accordance with manufacturer recommendations.

3. Samples were labeled and uniquely identified in accordance with the WP, and field records indicate the exact location from which each field sample was collected.

4. Laboratory protocol was performed in accordance with laboratory standard operating procedures.

Therefore, measurement representativeness is considered acceptable for this project.

Comparability 5.5

This section is not applicable because no field screening methods were applied prior to sampling groundwater and only on laboratory, TestAmerica, was used to analyze the data.

Completeness 5.6

As indicated in the data quality reports provided in Appendix C, minor quality control exceedances were noted in some results, but overall, the reported results are considered to be usable for supporting the project objectives.



Sensitivity 5.7

5.7.1 Limits of Detection

Limits of detection were less than the regulatory cleanup levels and project goals.

5.7.2 Blank Results

The single trip blank submitted in 2013 contained no detections and no qualifications were made based on this. The trip blank submitted in 2014 contained a detection of GRO at a level above the method detection limit (MDL) but below the method reporting limit (MRL). All GRO detections in the submitted samples have been flagged “J”.

The MBs were analyzed at the required frequencies of one per matrix, analysis, and 20 samples. In 2013, MB 580-135815/1-A contained analyte detections at levels that were above the MDL but below the MRL. Associated samples with these analyte detections have been flagged “J” as estimated. MB 13E0027-BLK1 contained analyte detections for DRO. Samples were re-extracted and re-analyzed with the exception of AWE0022-01. Detections in this sample have been flagged “J” as estimated to be biased high. All additional sample results were non-detect and have not been flagged.

In 2014, MBs 580-161180/1-A and 580-161053/1-A contained detections of analytes. The associated samples with these detections have been flagged “J”.

No equipment blanks or field blanks were submitted for either SDG.






6.0 CONCLUSIONS

Based on the analytical results for groundwater samples collected during the 2013 and 2014 field activities, contaminant concentrations in several monitoring wells (MW-1, MW-2, MW-6, and MW-10) are greater than the ADEC 18 AAC 75 Table C cleanup levels. The calculated TAH and TAqH for the samples collected from MW-1 and MW-2 which are located approximately 350 feet from the nearest surface water body, exceeded the ADEC surface water quality criteria (18 AAC 70.020) in 2014. TAqH calculated from the sample collected from MW-6 also exceeded the ADEC surface water quality criteria in 2014. The calculated TAH in MW-6 and the calculated TAH and TAqH for samples collected from all of the other monitoring wells during the 2013 and 2014 field investigations were within the surface water quality criteria.






7.0 REFERENCES

Ahtna Engineering Services, LLC (AES), 2012. Final Report, Remedial Investigation and Remedial Action at the Former Tank Farm in Gustavus, Alaska, November 15.

AES, 2013. Final Work Plan, Federal Aviation Administration, 2013 and 2014 Groundwater Sampling at the Former Tank Farm in Gustavus, Alaska. April 22.

Alaska Community Database (ACD), 2014. Gustavus, Alaska Communities Database, Community and Regional Affairs, Department of Commerce, Community, and Economic Development, online at http://commerce.state.ak.us/cra/DCRAExternal/community/ Details/74866bc7-44d7-4184-9c42-2bf36bea4fec. Accessed October 24.

Alaska Department of Environmental Conservation (ADEC), 2010a. Draft Field Sampling Guidance, January.

ADEC, 2010b. Policy Guidance on Developing Conceptual Site Models, October.

ADEC, 2014. 18 AAC 75, Oil and Other Hazardous Substances Pollution Control, revised as of October 1.

Ecology & Environment, Inc. (E & E), 1992. Environmental Compliance Investigation Report for the Gustavus FAA Station, Gustavus, Alaska, February.

Interstate Technology & Regulatory Council (ITRC), 2009. Phytotechnology Technical and Regulatory Guidance and Decision Trees, revised February.

OASIS Environmental, Inc. (OASIS), 2011a. 2010 Site Activities Report, Gustavus Old Tank Farm Site, Gustavus, Alaska, July 21.

OASIS, 2011b. 2011 Site Activities Report, Gustavus Old Tank Farm Site, Gustavus, Alaska, December 29.

Shannon & Wilson, Inc., 2008. Gustavus Tank Farm Site Characterization Report, Gustavus, Alaska. December 2008.

Western Regional Climate Center (WRCC), 2014. Period of Record Monthly Climate Summary, Gustavus 2 SW, Alaska (503475), Period of Record 9/1/1949 to 9/30/2012, online at http://www.wrcc.dri.edu/cgi-bin/cliMAIN.pl?ak3475. Accessed October 24.


http://www.wrcc.dri.edu/cgi-bin/cliMAIN.pl?ak3475




FIGURES


Project Site

Figure Number:

1

Engineering

AnchorageGustavus

0 0.6 1.2

SCALE IN MILES (APPROXIMATE)

N

State and Site Vicinity Map

Notes:1. All locations are approximate.

2. Map was accessed from USGS Online Map Store.

2013 and 2014 Groundwater Sampling ReportAt the Former Tank Farm in Gustavus, Alaska

Project Number:20125.058

Date:09.05.2014

Drawn By:G.R.


Former TankFarm Area

New Bulk FuelStorage Facility

MW8

MW17

MW3R

MW11

MW16

MW18

MW10

MW6

MW2

MW1

MW4

Stat

e Do

ck R

oad

Former Conex

FormerShed

Icy Strait[approximately 350']

Approximate locationof two former tanks

Key:Existing ASTFenceFormer ASTFormer MW locationFormer PipelineMW locationRoadRoad Right-Of-Way [50']Vegetation lineUtility line/box/pole

Engineering


Date:09.05.2014

Drawn By:G.R.

Figure Number:

2

0 25 50

SCALE IN FEET (APPROXIMATE)

N

Site Plan



Former TankFarm Area

New Bulk FuelStorage Facility

MW8

MW17

MW3R

MW11

MW16

MW18

MW10

MW6

MW2

MW1

MW4

Stat

e Do

ck R

oad

Former Conex

Former Shed

Icy Strait[approximately 350']Key:

AAC Alaska Administrative Code ADEC Alaska Department of Environmental Conservation D Destroyed and decommissioned DRO Diesel Range Organics FP Free product detected during sampling GRO Gasoline Range Organics MDL Method Detection Limit mg/L Milligrams per Liter ND Non-detect RRO Residual Range Organics TAH Total Aromatic Hydrocarbons

TAqH Total Aqueous Hydrocarbons -- Not analyzed/not calculated

Existing ASTFormer ASTFormer StructureMW location [existing]MW location [converted to flush mount]RoadRoad Right-Of-Way [50']Vegetation lineUtility line/box/pole

Engineering

N


Date:09.08.2014

Drawn By:G.R.

Figure Number:

3

Notes:1. All locations are approximate.2. Yellow shaded and bolded results indicate that the value exceeds 18 AAC 75 Table C Groundwater cleanup levels.3. ND(0.193) indicates that the analyte was not detected at a concentration greater than the MDL shown in

parentheses.4. Additional historical groundwater results are provided in the 2012 Remedial Investigation and Remedial Action

Report.5. TAH and TAqH are calculated values.6. MW-3 was destroyed and replaced by MW-3R.7. Due to the presence of free product and insufficient groundwater, analytical groundwater samples could not be

collected from MW-4 in 2012, 2013, and 2014.8. *Surface water quality criteria from 18 AAC 70.020.

0 25 50

SCALE IN FEET (APPROXIMATE)

Groundwater Sampling and Well Conversion Locations



APPENDED TABLES


Groundwater Sampling Report, Gustavus, Alaska FAA

Monitoring Well Number

Sample Date

DRO(mg/L)

RRO(mg/L)

GRO(mg/L)

Benzene (mg/L)

Toluene (mg/L)

Ethylenzene (mg/L)

Total Xylenes (mg/L)

TAH (mg/L)

TAqH (mg/L)

1.5 1.1 2.2 0.005 1 0.7 10 0.01* 0.015*

10/23/2008 2.18 1.61 3.08 0.0323 0.0225 0.0995 0.689 0.843 --7/1/2010 1.11 ND(0.4) 1.04 0.0104 0.00536 0.00573 0.0275 0.049 0.05056/29/2011 ND(0.385) 0.405 0.138 0.0095 ND(0.001) 0.00141 ND(0.003) 0.0109 0.01146/13/2012 3.1 0.84 ND(0.015) 0.0016 ND(0.00015) 0.00051 0.00245 0.00456 0.004765/14/2013 1.97 0.56 ND(0.05) 0.00104 0.00101 0.000957 0.00798 0.0110 0.011046/10/2014 1.3 0.23 0.076 J 0.0087 0.00021 0.0012 0.0066 0.0167 0.01716/10/2014

(Dup) 1.3 0.24 0.074 J 0.0084 0.0002 0.0012 0.0065 0.0163 0.0167

10/22/2008 11.3 8.12 4.03 0.0156 0.00657 0.118 0.541 0.681 0.8297/1/2010 9.03 2.05 1.89 0.0205 0.00681 0.0166 0.0230 0.0669 0.07966/29/2011 12.9 6.51 0.227 0.0012 ND(0.001) 0.00294 0.0226 0.0267 0.02676/13/2012 13 4.4 0.21 0.011 0.00032 0.0018 0.0057 0.01882 0.02005/14/2013 11.4 2.37 0.175 0.00601 ND(0.0005) 0.00274 0.0328 0.04155 0.04286/10/2014 5.9 0.98 0.41 J 0.027 0.002 0.015 0.0473 0.0913 0.091410/22/2008 1.63 1.14 0.106 0.0114 ND(0.002) ND(0.002) 0.00316 0.015 --

7/1/2010 ND(0.394) ND(0.394) ND(0.05) ND(0.0005) ND(0.0005) ND(0.0005) ND(0.0028) ND(0.0043) 0.00019-- D D D D D D D D D

6/15/2012 0.53 ND(0.22) ND(0.015) ND(0.00015) ND(0.00015) ND(0.00015) ND(0.00045) ND(0.0009) ND(0.00047)5/13/2013 ND(0.403) ND(0.403) ND(0.05) ND(0.0005) ND(0.0005) ND(0.0005) ND(0.0015) ND(0.003) ND(0.000094)6/9/2014 0.39 0.11 ND(0.015) ND(0.00014) ND(0.00016) ND(0.00013) ND(0.00025) ND(0.00068) 0.0000151

10/22/2008 2.17 1.6 6.40 0.0165 0.215 0.274 2.08 2.586 2.788-- FP FP FP FP FP FP FP FP FP

10/22/2008 2.18 2.12 ND(0.1) ND(0.0005) ND(0.002) ND(0.002) ND(0.004) ND(0.0085) --7/1/2010 1.44 ND(0.400) ND(0.0500) 0.0102 ND(0.0005) 0.00107 ND(0.00280) 0.0113 0.01136/29/2011 1.1 0.609 0.0541 0.00198 ND(0.001) ND(0.001) ND(0.003) 0.00198 0.00256/12/2012 2.9 0.75 ND(0.015) 0.0014 ND(0.00015) ND(0.00015) ND(0.00045) 0.0014 0.001465/14/2013 1.12 0.516 ND(0.05) ND(0.0005) ND(0.0005) ND(0.0005) ND(0.0015) ND(0.003) 0.00002626/10/2014 14 3.3 0.12 J 0.0083 0.00016 0.00056 0.00021 0.00923 0.01836/15/2012 ND(0.18) ND(0.22) ND(0.015) ND(0.00015) ND(0.00015) ND(0.00015) ND(0.00045) ND(0.0009) ND(0.00047)5/13/2013 0.472 J+ ND(0.407) ND(0.05) ND(0.0005) ND(0.0005) ND(0.0005) ND(0.0015) ND(0.003) 0.00006886/10/2014 0.021 0.051 ND(0.015) ND(0.00014) ND(0.00016) ND(0.00013) 0.00012 J 0.00012 0.00012206/15/12 1.2 ND(0.22) 0.047 0.0014 ND(0.00015) 0.00068 0.00019 0.00227 0.0026706/15/12

(Dup) 1.2 ND(0.22) 0.046 0.0015 ND(0.00015) 0.00074 0.00017 0.00241 0.00264

05/14/13 0.461 ND(0.385) ND(0.05) ND(0.0005) ND(0.0005) ND(0.0005) ND(0.0015) ND(0.003) 0.00006606/09/14 2.6 0.52 0.13 J 0.0029 0.00051 0.0018 0.00186 0.00707 0.0071706/15/12 0.56 ND(0.22) ND(0.015) ND(0.00015) ND(0.00015) ND(0.00015) ND(0.00045) ND(0.0009) 0.0035905/13/13 ND(0.397) ND(0.397) ND(0.05) ND(0.0005) ND(0.0005) ND(0.0005) ND(0.0015) ND(0.003) ND(0.0000955)06/09/14 0.11 0.096 ND(0.015) ND(0.00014) ND(0.00016) ND(0.00013) ND(0.00025) ND(0.00068) 0.000008706/14/12 ND(0.18) ND(0.22) ND(0.015) ND(0.00015) ND(0.00015) ND(0.00015) ND(0.00045) ND(0.0009) ND(0.00047)05/13/13 ND(0.385) ND(0.385) ND(0.05) ND(0.0005) ND(0.0005) ND(0.0005) ND(0.0015) ND(0.003) ND(0.0000923)06/09/14 0.028 0.079 0.015 J ND(0.00014) ND(0.00016) ND(0.00013) ND(0.00025) ND(0.00068) 0.000009506/15/12 ND(0.18) ND(0.22) ND(0.015) ND(0.00015) ND(0.00015) ND(0.00015) ND(0.00045) ND(0.0009) ND(0.00047)05/13/13 ND(0.385) ND(0.385) ND(0.05) ND(0.0005) ND(0.0005) ND(0.0005) ND(0.0015) ND(0.003) ND(0.0000956)06/10/14 0.028 0.089 ND(0.015) ND(0.00014) ND(0.00016) ND(0.00013) ND(0.00025) ND(0.00068) 0.00001206/14/12 1.1 ND(0.22) ND(0.015) ND(0.00015) ND(0.00015) ND(0.00015) ND(0.00045) ND(0.0009) ND(0.00047)05/13/13 ND(0.385) ND(0.385) ND(0.05) ND(0.0005) ND(0.0005) ND(0.0005) ND(0.0015) ND(0.003) ND(0.0000923)05/13/13

(Dup) ND(0.385) ND(0.385) ND(0.05) ND(0.0005) ND(0.0005) ND(0.0005) ND(0.0015) ND(0.003) ND(0.0000924)

06/09/14 0.091 0.085 ND(0.015) ND(0.00014) ND(0.00016) ND(0.00013) ND(0.00025) ND(0.00068) 0.000015

KEY: NOTES:

AAC Alaska Administrative CodeADEC Alaska Department of Environmental Conservation

DDRO Diesel Range Organics

FPGRO Gasoline Range OrganicsMDL Method Detection limit 4. TAH and TAqH are calculated values.mg/L Milligrams per liter 5. MW-3 was destroyed and replaced by MW-3R.ND Non-detect

RRO Residual Range OrganicsTAH Total Aromatic Hydrocarbons 7. *Surface water quality criteria from 18 AAC 70.020.

TAqH Total Aqueous Hydrocarbons 8. Data flags are only included for 2013 and 2014 data. - - Not analyzed/not calculatedJ+ Sample result is estimated, biased high

6. Due to the presence of free product and insufficient groundwater, analytical groundwater samples could not be collected from MW-4 in 2012, 2013, and 2014.

MW-16

ADEC Table C Groundwater cleanup levels

MW-1

MW-2

MW-3

MW-3R

MW-4

MW-6

MW-8

MW-10

MW-11

MW-17

MW-18

Destroyed and decommissioned

Free product detected during sampling

Table 4-1: Summary of Historical DRO, RRO, GRO, and BTEX Groundwater Data

1. Yellow shaded and bolded results indicate that the value exceeds 18 AAC 75 Table C Groundwater cleanup levels.2. ND(0.193) indicates that the analyte was not detected at a concentration greater than the MDL shown in parentheses.3. Additional historical groundwater results are provided in the 2012 Remedial Investigation and Remedial Action Report.

Ahtna Engineering Services, LLC


Table 4-2: Summary of PAH Groundwater Data Monitoring Well Number

Sample Date 7/1/2010 6/29/2011 6/13/2012 5/14/2013 6/10/2014 6/10/2014 (Dup) 10/22/2008 7/1/2010 6/29/2011 6/13/2012 5/14/2013 6/10/2014 6/15/2012 5/13/2013 6/9/2014 10/20/2008 -- 10/22/2008 7/1/2010 6/29/2011 6/12/2012 5/14/2013 6/10/2014

Acenaphthene (mg/L) 2.2

ND(9.71E-05)

ND(9.40E-05)

ND (2.90E-05)

ND (5.80E-06)

ND(6.10E-06)

ND(6.00E-06) 4.42E-04

ND(9.98E-04)

ND(1.00E-04)

ND (2.90E-05)

ND(5.90E-05)

ND(6.00E-06)

ND (2.90E-05)

ND (5.80E-06) 6.20E-06 5.10E-04 FP

ND(0.0000526)

ND(9.64E-05)

ND(1.00E-04)

ND (2.90E-05) 8.20E-06

ND(6.00E-06)

Acenaphthylene (mg/L) 2.2

ND(9.71E-05)

ND(9.40E-05)

ND (2.90E-05)

ND (5.80E-06)

ND(6.10E-06)

ND(6.00E-06)

ND(0.0000521)

ND(9.98E-04)

ND(1.00E-04)

ND (2.90E-05)

ND(5.90E-05)

ND(6.00E-06)

ND (2.90E-05)

ND (5.80E-06)

ND(6.00E-06)

ND(5.21E-05) FP

ND(0.0000526)

ND(9.64E-05)

ND(1.00E-04)

ND (2.90E-05)

ND (5.70E-06)

ND(6.00E-06)

Anthracene (mg/L) 11.

ND(9.71E-05)

ND(9.40E-05)

ND (2.90E-05) 3.00E-05

ND(6.10E-06)

ND(6.00E-06)

ND(0.0000521)

ND(9.98E-04)

ND(1.00E-04)

ND (2.90E-05)

ND(5.90E-05)

ND(6.00E-06)

ND (2.90E-05)

ND (5.80E-06)

ND(6.00E-06)

ND(5.21E-05) FP

ND(0.0000526)

ND(9.64E-05)

ND(1.00E-04)

ND (2.90E-05)

ND (5.70E-06)

ND(6.00E-06)

Benzo (a) anthracene (mg/L) 0.0012ND

(9.71E-05)ND

(9.40E-05)ND

(2.90E-05)ND

(5.80E-06)ND

(6.10E-06)ND

(6.00E-06)ND

(0.0000521)ND

(9.98E-04)ND

(1.00E-04)ND

(2.90E-05)ND

(5.90E-05)ND

(6.00E-06)ND

(2.90E-05)ND

(5.80E-06)ND

(6.00E-06)ND

(5.21E-05) FPND

(0.0000526)ND

(9.64E-05)ND

(1.00E-04)ND

(2.90E-05)ND

(5.70E-06)ND

(6.00E-06)Benzo (a) pyrene

(mg/L) 2.00E-04ND

(9.71E-05)ND

(1.90E-04)ND

(2.90E-05)ND

(5.80E-06)ND

(6.10E-06)ND

(6.00E-06)ND

(0.0000521)ND

(9.98E-04)ND

(2.00E-04)ND

(2.90E-05)ND

(5.90E-05)ND

(6.00E-06)ND

(2.90E-05)ND

(5.80E-06)ND

(6.00E-06)ND

(5.21E-05) FPND

(0.0000526)ND

(9.64E-05)ND

(2.00E-04)ND

(2.90E-05)ND

(5.70E-06)ND

(6.00E-06)Benzo (b) fluoranthene

(mg/L) 0.0012ND

(9.71E-05)ND

(9.40E-05)ND

(2.90E-05)ND

(5.80E-06)ND

(6.10E-06)ND

(6.00E-06)ND

(0.0000521)ND

(9.98E-04)ND

(1.00E-04)ND

(2.90E-05)ND

(5.90E-05)ND

(6.00E-06)ND

(2.90E-05)ND

(5.80E-06)ND

(6.00E-06)ND

(5.21E-05) FPND

(0.0000526)ND

(9.64E-05)ND

(1.00E-04)ND

(2.90E-05)ND

(5.70E-06)ND

(6.00E-06)

Benzo (g,h,i) perylene (mg/L) 1.1 ND

(9.71E-05)ND

(9.40E-05)ND

(2.90E-05)ND

(5.80E-06)ND

(6.10E-06)ND

(6.00E-06)ND

(0.0000521)ND

(9.98E-04)ND

(1.00E-04)ND

(2.90E-05)ND

(5.90E-05)ND

(6.00E-06)ND

(2.90E-05)ND

(5.80E-06)ND

(6.00E-06)ND

(5.21E-05) FPND

(0.0000526)ND

(9.64E-05)ND

(1.00E-04)ND

(2.90E-05)ND

(5.70E-06)ND

(6.00E-06)Benzo (k) fluoranthene

(mg/L) 0.012 ND

(9.71E-05)ND

(9.40E-05)ND

(2.90E-05)ND

(5.80E-06)ND

(6.10E-06)ND

(6.00E-06)ND

(0.0000521)ND

(9.98E-04)ND

(1.00E-04)ND

(2.90E-05)ND

(5.90E-05)ND

(6.00E-06)ND

(2.90E-05)ND

(5.80E-06)ND

(6.00E-06)ND

(5.21E-05) FPND

(0.0000526)ND

(9.64E-05)ND

(1.00E-04)ND

(2.90E-05)ND

(5.70E-06)ND

(6.00E-06)Chrysene

(mg/L) 0.12 ND

(9.71E-05)ND

(9.40E-05)ND

(2.90E-05)ND

(5.80E-06)ND

(6.10E-06)ND

(6.00E-06)ND

(0.0000521)ND

(9.98E-04)ND

(1.00E-04)ND

(2.90E-05)ND

(5.90E-05)ND

(6.00E-06)ND

(2.90E-05)ND

(5.80E-06)ND

(6.00E-06)ND

(5.21E-05) FPND

(0.0000526)ND

(9.64E-05)ND

(1.00E-04)ND

(2.90E-05)ND

(5.70E-06)ND

(6.00E-06)Dibenz (a,h) anthracene

(mg/L) 1.20E-04ND

(9.71E-05)ND

(9.40E-05)ND

(2.90E-05)ND

(5.80E-06)ND

(6.10E-06)ND

(6.00E-06)ND

(0.0000521)ND

(9.98E-04)ND

(1.00E-04)ND

(2.90E-05)ND

(5.90E-05)ND

(6.00E-06)ND

(2.90E-05)ND

(5.80E-06)ND

(6.00E-06)ND

(5.21E-05) FPND

(0.0000526)ND

(9.64E-05)ND

(1.00E-04)ND

(2.90E-05)ND

(5.70E-06)ND

(6.00E-06)Fluoranthene

(mg/L) 1.5 ND

(9.71E-05)ND

(9.40E-05)ND

(2.90E-05)ND

(5.80E-06)ND

(6.10E-06)ND

(6.00E-06)ND

(0.0000521)ND

(9.98E-04)ND

(1.00E-04)ND

(2.90E-05)ND

(5.90E-05)ND

(6.00E-06)ND

(2.90E-05)ND

(5.80E-06)ND

(6.00E-06)ND

(5.21E-05) FPND

(0.0000526)ND

(9.64E-05)ND

(1.00E-04)ND

(2.90E-05)ND

(5.70E-06)ND

(6.00E-06)Fluorene (mg/L) 1.5

ND(9.71E-05)

ND(9.40E-05)

ND (2.90E-05) 8.00E-06

ND(6.10E-06)

ND(6.00E-06) 0.0016

ND(9.98E-04)

ND(1.00E-04)

ND (2.90E-05)

ND(5.90E-05)

ND(6.00E-06)

ND (2.90E-05)

ND (5.80E-06)

ND(6.00E-06) 0.002 FP

ND(0.0000526)

ND(9.64E-05)

ND(1.00E-04)

ND (2.90E-05)

ND (5.70E-06)

ND(6.00E-06)

Indeno (1,2,3-cd) pyrene (mg/L) 0.0012

ND(9.71E-05)

ND(9.40E-05)

ND (2.90E-05)

ND(5.80E-06)

ND(6.10E-06)

ND(6.00E-06)

ND(0.0000521)

ND(9.98E-04)

ND(1.00E-04)

ND (2.90E-05)

ND(5.90E-05)

ND(6.00E-06)

ND (2.90E-05)

ND (5.80E-06)

ND(6.00E-06)

ND(5.21E-05) FP

ND(0.0000526)

ND(9.64E-05)

ND(1.00E-04)

ND (2.90E-05)

ND (5.70E-06)

ND(6.00E-06)

Naphthalene (mg/L) 0.73 5.87E-04 1.20E-04 2.00E-04 1.20E-05 3.90E-04 4.30E-04 0.0636 0.00314

ND(1.00E-04) 0.0011 0.0012 5.10E-05

ND (3.50E-05)

ND(7.00E-06) 8.90E-06 0.103 FP

ND(0.000105)

ND(9.64E-05)

ND(1.00E-04) 6.10E-05 1.80E-05 0.009

Phenanthrene (mg/L) 11.

ND(9.71E-05)

ND(9.40E-05)

ND (2.90E-05)

ND(5.80E-06)

ND(6.10E-06)

ND(6.00E-06) 0.001

ND(9.98E-04)

ND(1.00E-04)

ND (2.90E-05)

ND(5.90E-05)

ND(6.00E-06)

ND (2.90E-05)

ND (5.80E-06)

ND(6.00E-06) 0.0011 FP

ND(0.0000526)

ND(9.64E-05)

ND(1.00E-04)

ND (2.90E-05)

ND (5.70E-06)

ND(6.00E-06)

Pyrene (mg/L) 1.1

ND(9.71E-05)

ND(9.40E-05)

ND (2.90E-05) 7.10E-06

ND(6.10E-06)

ND(6.00E-06)

ND(0.0000521)

ND(9.98E-04)

ND(1.00E-04)

ND (2.90E-05)

ND(5.90E-05)

ND(6.00E-06)

ND (2.90E-05)

ND (5.80E-06)

ND(6.00E-06)

ND(5.21E-05) FP

ND(0.0000526)

ND(9.64E-05)

ND(1.00E-04)

ND (2.90E-05)

ND (5.70E-06)

ND(6.00E-06)

1-Methylnaphthalene (mg/L) 0.15 7.86E-04 2.30E-04 6.80E-05 1.70E-05 3.60E-05 4.00E-05 0.032 0.00688ND

(1.00E-04) 4.00E-04 3.50E-04 1.50E-04ND

(2.90E-05)ND

(5.80E-06)ND

(6.00E-06) 0.0379 FPND

(0.0000526)ND

(9.64E-05) 2.40E-04 6.20E-05 1.20E-05 0.0012

2-Methylnaphthalene (mg/L) 0.15 1.60E-04 1.80E-04 3.20E-05 7.10E-06 1.10E-05 1.40E-05 0.0488 0.00269ND

(1.30E-04)ND

(2.90E-05) 9.20E-05ND

(6.00E-06) 3.00E-05ND

(5.80E-06)ND

(6.00E-06) 0.0582 FPND

(0.0000526)ND

(9.64E-05) 2.50E-04 4.20E-05 6.80E-06 1.80E-04

Table 4-2 (Continued): Summary of PAH Groundwater Data Monitoring Well Number

Sample Date 6/15/2012 5/13/2013 6/10/2014 6/15/2012 6/15/2012 (Dup) 5/14/2013 6/9/2014 6/15/2012 5/13/2013 6/9/2014 6/14/2012 5/13/2013 6/9/2014 6/15/2012 5/13/2013 6/10/2014 6/14/2012 5/13/2013 5/13/2013

(Dup) 6/9/2014

Acenaphthene (mg/L) 2.2

ND (2.90E-05)

ND (5.80E-06)

ND(6.20E-06) 4.60E-05 4.20E-05 2.20E-05 3.90E-05

ND (2.90E-05)

ND(5.90E-06)

ND(6.10E-06)

ND (2.90E-05)

ND(5.70E-06)

ND(6.30E-06)

ND (2.90E-05)

ND(5.90E-06)

ND(6.20E-06)

ND (2.90E-05)

ND(5.70E-06)

ND(5.70E-06)

ND(6.40E-06)

Acenaphthylene (mg/L) 2.2

ND (2.90E-05)

ND (5.80E-06)

ND(6.20E-06)

ND (2.90E-05)

ND (2.90E-05)

ND(5.70E-06)

ND(6.30E-06)

ND (2.90E-05)

ND(5.90E-06)

ND(6.10E-06)

ND (2.90E-05)

ND(5.70E-06)

ND(6.30E-06)

ND (2.90E-05)

ND(5.90E-06)

ND(6.20E-06)

ND (2.90E-05)

ND(5.70E-06)

ND(5.70E-06)

ND(6.40E-06)

Anthracene (mg/L) 11.

ND (2.90E-05)

ND (5.80E-06)

ND(6.20E-06)

ND (2.90E-05)

ND (2.90E-05)

ND(5.70E-06)

ND(6.30E-06)

ND (2.90E-05)

ND(5.90E-06)

ND(6.10E-06)

ND (2.90E-05)

ND(5.70E-06)

ND(6.30E-06)

ND (2.90E-05)

ND(5.90E-06)

ND(6.20E-06)

ND (2.90E-05)

ND(5.70E-06)

ND(5.70E-06)

ND(6.40E-06)

Benzo (a) anthracene (mg/L) 0.0012ND

(2.90E-05) 7.30E-06ND

(6.20E-06)ND

(2.90E-05)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06) 4.30E-04ND

(5.90E-06)ND

(6.10E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06)ND

(2.90E-05)ND

(5.90E-06)ND

(6.20E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(5.70E-06)ND

(6.40E-06)Benzo (a) pyrene

(mg/L) 2.00E-04ND

(2.90E-05)ND

(5.80E-06)ND

(6.20E-06)ND

(2.90E-05)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06) 2.70E-04ND

(5.90E-06)ND

(6.10E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06)ND

(2.90E-05)ND

(5.90E-06)ND

(6.20E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(5.70E-06)ND

(6.40E-06)Benzo (b) fluoranthene

(mg/L) 0.0012ND

(2.90E-05) 6.90E-06ND

(6.20E-06)ND

(2.90E-05)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06)ND

(2.90E-05)ND

(5.90E-06)ND

(6.10E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06)ND

(2.90E-05)ND

(5.90E-06)ND

(6.20E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(5.70E-06)ND

(6.40E-06)

Benzo (g,h,i) perylene (mg/L) 1.1 ND

(2.90E-05) 6.90E-06ND

(6.20E-06)ND

(2.90E-05)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06) 5.00E-04ND

(5.90E-06)ND

(6.10E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06)ND

(2.90E-05)ND

(5.90E-06)ND

(6.20E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(5.70E-06)ND

(6.40E-06)Benzo (k) fluoranthene

(mg/L) 0.012 ND

(2.90E-05) 6.80E-06ND

(6.20E-06)ND

(2.90E-05)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06) 5.30E-04ND

(5.90E-06)ND

(6.10E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06)ND

(2.90E-05)ND

(5.90E-06)ND

(6.20E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(5.70E-06)ND

(6.40E-06)Chrysene

(mg/L) 0.12 ND

(2.90E-05) 8.30E-06ND

(6.20E-06)ND

(2.90E-05)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06) 5.40E-04ND

(5.90E-06)ND

(6.10E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06)ND

(2.90E-05)ND

(5.90E-06)ND

(6.20E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(5.70E-06)ND

(6.40E-06)Dibenz (a,h) anthracene

(mg/L) 1.20E-04ND

(2.90E-05)ND

(5.80E-06)ND

(6.20E-06)ND

(2.90E-05)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06) 4.30E-04ND

(5.90E-06)ND

(6.10E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06)ND

(2.90E-05)ND

(5.90E-06)ND

(6.20E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(5.70E-06)ND

(6.40E-06)Fluoranthene

(mg/L) 1.5 ND

(2.90E-05) 7.40E-06ND

(6.20E-06)ND

(2.90E-05)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06) 4.90E-05ND

(5.90E-06)ND

(6.10E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06)ND

(2.90E-05)ND

(5.90E-06)ND

(6.20E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(5.70E-06)ND

(6.40E-06)Fluorene (mg/L) 1.5

ND (2.90E-05)

ND (5.80E-06)

ND(6.20E-06)

ND (2.90E-05)

ND (2.90E-05) 3.30E-05 3.20E-05

ND (2.90E-05)

ND(5.90E-06)

ND(6.10E-06)

ND (2.90E-05)

ND(5.70E-06)

ND(6.30E-06)

ND (2.90E-05)

ND(5.90E-06)

ND(6.20E-06)

ND (2.90E-05)

ND(5.70E-06)

ND(5.70E-06)

ND(6.40E-06)

Indeno (1,2,3-cd) pyrene (mg/L) 0.0012

ND (2.90E-05) 8.50E-06

ND(6.20E-06)

ND (2.90E-05)

ND (2.90E-05)

ND(5.70E-06)

ND(6.30E-06) 3.60E-04

ND(5.90E-06)

ND(6.10E-06)

ND (2.90E-05)

ND(5.70E-06)

ND(6.30E-06)

ND (2.90E-05)

ND(5.90E-06)

ND(6.20E-06)

ND (2.90E-05)

ND(5.70E-06)

ND(5.70E-06)

ND(6.40E-06)

Naphthalene (mg/L) 0.73

ND(3.50E-05)

ND (5.80E-06) 1.00E-05 3.00E-04 1.90E-04 1.10E-05 2.90E-05

ND(3.50E-05)

ND(7.00E-06) 8.70E-06

ND (3.50E-05)

ND(6.80E-06) 9.50E-06

ND (3.50E-05)

ND(7.10E-06) 1.20E-05

ND (3.50E-05)

ND(6.80E-06)

ND(6.90E-06) 1.50E-05

Phenanthrene (mg/L) 11.

ND (2.90E-05) 7.80E-06 6.60E-06

ND (2.90E-05)

ND (2.90E-05)

ND(5.70E-06)

ND(6.30E-06)

ND (2.90E-05)

ND(5.90E-06)

ND(6.10E-06)

ND (2.90E-05)

ND(5.70E-06)

ND(6.30E-06)

ND (2.90E-05)

ND(5.90E-06)

ND(6.20E-06)

ND (2.90E-05)

ND(5.70E-06)

ND(5.70E-06)

ND(6.40E-06)

Pyrene (mg/L) 1.1

ND (2.90E-05) 8.90E-06

ND(6.20E-06)

ND (2.90E-05)

ND (2.90E-05)

ND(5.70E-06)

ND(6.30E-06) 6.10E-05

ND(5.90E-06)

ND(6.10E-06)

ND (2.90E-05)

ND(5.70E-06)

ND(6.30E-06)

ND (2.90E-05)

ND(5.90E-06)

ND(6.20E-06)

ND (2.90E-05)

ND(5.70E-06)

ND(5.70E-06)

ND(6.40E-06)

1-Methylnaphthalene (mg/L) 0.15 ND

(2.90E-05)ND

(5.80E-06)ND

(6.20E-06) 9.90E-05 1.00E-04 2.80E-05 4.90E-05ND

(2.90E-05)ND

(5.90E-06)ND

(6.10E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(6.30E-06)ND

(2.90E-05)ND

(5.90E-06)ND

(6.20E-06)ND

(2.90E-05)ND

(5.70E-06)ND

(5.70E-06)ND

(6.40E-06)

2-Methylnaphthalene (mg/L) 0.15 ND

(2.90E-05)ND

(5.80E-06)ND

(6.20E-06) 3.50E-05 3.20E-05 8.50E-06ND

(6.30E-06)ND

(2.90E-05)ND

(5.90E-06)ND

(6.10E-06)ND

(2.90E-05)ND

(5.70E-06) 6.30E-06ND

(2.90E-05)ND

(5.90E-06) 6.80E-06ND

(2.90E-05)ND

(5.70E-06)ND

(5.70E-06)ND

(6.40E-06)

KEY: NOTES:AAC Alaska 1. Yellow shaded and bolded results indicate that the value exceeds 18 AAC 75 Table C Groundwater cleanup levels.

ADEC Alaska Department FP Free product detected during sampling 2. ND(0.193) indicates that the analyte was not detected at a concentration greater than the MDL shown in parenthese

MDL Method Detection limitmg/L Milligrams per liter 3. Additional historical groundwater results are provided in the 2012 Remedial Investigation and Remedial Action RepoND Non-detect

PAH Polynuclear Aromatic Hydrocarbons 4. Due to the presence of free product and insufficient groundwater, analytical groundwater samples could not be collected from MW-4 in 2012, 2013, and 20 - - Not analyzed/not calculated



MW-4

MW-8

MW-6MW-1 MW-3R

MW-10 MW-11 MW-16 MW-18

MW-2

MW-17



Monitoring Well pH Conductivity ORP

(mV)

Dissolved Oxygen(mg/L)

Nitate/Nitrite (mg/L)

Dissolved Fe(mg/L)

Sulfate(mg/L)

Aerobic/AnaerobicState

MW-1 7.14 520 0.8 3.07 1.1 1.85 16 TransitionalMW-2 6.61 776 -60.4 2.19 0.6 1.52 1.0 TransitionalMW-3R 7.16 343 95.8 6.07 0.4 0.05 0.6 TransitionalMW-6 6.88 652 45.6 0.62 2.0 0.05 7 TransitionalMW-8¹ 8.00 286 114.6 8.21 0.0 0.17 1.0 AerobicMW-10 6.99 489 -62.7 0.60 0.0 1.45 2 TransitionalMW-11 7.38 318 90.0 3.16 0.2 0.38 2 TransitionalMW-16 7.91 342 109.5 9.44 0.3 0.0 0.0 AerobicMW-17 7.81 377 131.7 6.78 1.5 0.02 0.0 TransitionalMW-18 7.30 359 77.7 4.21 0.9 0.1 2.0 Transitional

Monitoring Well pH Conductivity ORP Dissolved

Oxygen Nitate/Nitrite Dissolved Fe Sulfate

MW-1 - + - - + + + DO, Fe

MW-2 - + - - + + = DO, Fe

MW-3R - + - - + - - DO, S

MW-6 - + - - + - + DO

MW-10 - + - - = + + DO, N, Fe

MW-11 - + - - + + + DO, Fe

MW-16 - + - + + - - DO, S

MW-17 - + + - + - - DO, S

MW-18 - + - - + - + DONotes:1 Background well "+" - Higher than background mg/L - milligrams per liter

"-" - Lower than background N- Nitrogen

"=" - Equal to background N/A - Not applicableDO - dissolved oxygen ORP - oxidation-reduction potentialFe - iron S - Sulfate

MNA Reading/Results

Comparison to Background Well MW-8 DegradationProcessesOccuring

Table 4-3: Monitored Natural Attenuation Parameter Groundwater Data



Laboratory Analysis

YSI Water Quality Meter

YSI Water Quality Meter

HACH DR/890

Colorimeter

HACH DR/890

Colorimeter

HACH DR/890

Colorimeter

12.35 06/13/12 -- 46 4.62 14.2 0.16 1507/01/10 ND (0.300) 83.1 6.01 -- 0.389 22.606/29/11 0.25 -20.9 3.78 -- 0.22 14

13.74 6/10/2014 -- 0.8 3.07 1.1 1.85 1615.77 06/13/12 -- -- -- -- -- --

07/01/10 ND (0.300) 99.4 2.07 -- -- 16.106/29/11 0.045 -19 5.08 -- 0.2 13

12.35 6/10/2014 -- -60.4 2.19 0.6 1.52 112.20 06/15/12 -- 230.2 4.87 13.6 0 1313.61 6/9/2014 -- 95.8 6.07 0.4 0.05 0.6

MW-4* Source Area -- -- -- -- -- -- -- --14.33 06/12/12 -- 20.1 3.69 19.7 0.66 16

07/01/10 ND (0.300) -99.3 8.00 -- 1.18 46.006/29/11 0.055 -14.3 1.02 -- ND (0.20) 45.0

12.92 6/10/2014 -- 45.6 0.62 2.0 0.05 76.23 06/15/12 -- 227.5 7.11 12.6 0.05 187.41 6/10/2014 -- 114.6 8.21 0.0 0.17 1.07.53 06/15/12 -- -105.5 0.59 22.3 1.6 148.34 6/9/2014 -- -62.7 0.60 0.0 1.45 29.32 06/15/12 -- 227.3 0.72 19 0 15

10.19 6/9/2014 -- 90.0 3.16 0.2 0.38 28.95 06/14/12 -- 228.7 9.12 21.1 0.05 139.62 6/9/2014 -- 109.5 9.44 0.3 0.0 0.08.11 06/15/12 -- 232.2 6.74 22.8 0 339.19 6/10/2014 -- 131.7 6.78 1.5 0.02 0.07.51 06/14/12 -- 237 4.88 20.6 0.32 117.65 6/9/2014 -- 77.7 4.21 0.9 0.1 2.0

Notes:* MW-2, -4, and -6 were converted to flush mount monuments between the 2013 and 2014 sampling events.-- not analyzedft - feetND - non-detectmg/L - milligrams per litermV - millivoltsORP - oxidation-reduction potentialTF - tank farm

East end of TF

Source Area

Sulfate (SO4-2)Result (mg/L)

Ferrous Iron (Fe+2)

Result (mg/L)

Dissolved OxygenResult (mg/L)

ORPResult (mV)

Southwest of TF

South of TF

Background Well

Southeast of TF

West-southwest of TF

Southwest of TF

Table 4-4: Summary of Historical Monitored Natural Attenuation Data

Well Number

Location Description

Depth to Water from

Top of Casing (ft)

Sample Date Nitrogen

(Nitrate/Nitrite)Result(mg/L)

Nitrate (NO3-)Result (mg/L)

MW-18

MW-1

MW-2*

MW-3R

MW-6*

MW-8

MW-10

MW-11

MW-16

MW-17 Northwest of TF


APPENDIX A

REVIEW COMMENTS AND APPROVAL LETTER


APPENDIX B

SUPPLEMENTAL FIELD INFORMATION

B-1 PHOTOGRAPHIC LOG

B-2 FIELD NOTES

B-3 GROUNDWATER SAMPLING LOGS

B-4 DISPOSAL DOCUMENTATION

APPENDIX B-1

PHOTOGRAPHIC LOG


Groundwater Sampling Report, Gustavus, Alaska Appendix B-1

______________________________________________________________________________Ahtna Engineering Services, LLC B-1 October 2014

Photograph 1: Monitoring water quality parameters while purging MW-11

Photograph 2: Setting up for purging and sampling at MW-2

Groundwater Sampling Report, Gustavus, Alaska Appendix B-1

______________________________________________________________________________Ahtna Engineering Services, LLC B-2 October 2014

Photograph 3: Free product removed from MW-4 in 2013

Photograph 4:

APPENDIX B-2

FIELD NOTES


APPENDIX B-3

GROUNDWATER SAMPLING LOGS



APPENDIX B-4

DISPOSAL DOCUMENTATION


1

Monica Oakley

From: Olga Stewart

Sent: Friday, June 28, 2013 8:21 AM

To: Jamie Oakley; Monica Oakley

Subject: Fwd: Diesel tainted water incineration @ GLBA

Connected by Motorola

-------- Original Message --------Subject: Diesel tainted water incineration @ GLBAFrom: "Ortega, Mark" <[email protected]>To: Olga Stewart <[email protected]>CC:

Olga, Ken gave me the black 1 gal drum with approx. 1 Qt of tainted water; it was incinerated on 06/27/13 inthe Barco MSW incinerator (Therm-Tec Model # A-2-1).

--Mark OrtegaUSROSGlacier Bay N.P.tele #907-697-2630


APPENDIX C

LABORATORY DATA AND DATA VALIDATION REPORTS

C-1 DATA QUALITY REPORTS

C-2 ADEC LABORATORY DATA REVIEW CHECKLISTS

C-3 LABORATORY DATA REPORTS

APPENDIX C-1

DATA QUALITY REPORTS


Appendix B

Ahtna Engineering Services, LLC 1 August 2014

DATA QUALITY REVIEW

Date: 08/25/2014

Project : 20125.058 Site: Former Tank Farm, Gustavus, Alaska Laboratory: Test America, Inc. Work Order: 230-151-1 Receipt Date : 07/01/2014 Analyses: GRO, DRO, RRO, BTEX, PAH Reviewer Name: Emily Freitas Reviewer Title: Chemist

INTRODUCTION

Table 1 lists the field sample numbers, corresponding laboratory numbers, requested analyses, and identifies quality control (QC) samples.

TABLE 1: FIELD SAMPLE PLAN OVERVIEW

Field Sample ID Lab Sample ID Analyses requested QC MW10-06-09-2014 230-151-1 GRO, DRO, RRO, BTEX, PAH MW18-06-09-2014 230-151-2 GRO, DRO, RRO, BTEX, PAH MW16-06-09-2014 230-151-3 GRO, DRO, RRO, BTEX, PAH MW11-06-09-2014 230-151-4 GRO, DRO, RRO, BTEX, PAH MW3R-06-09-2014 230-151-5 GRO, DRO, RRO, BTEX, PAH MW17-06-10-2014 230-151-6 GRO, DRO, RRO, BTEX, PAH MW8-06-10-2014 230-151-7 GRO, DRO, RRO, BTEX, PAH MW1-06-10-2014 230-151-8 GRO, DRO, RRO, BTEX, PAH Primary

MWDUP-06-10-2014 230-151-9 GRO, DRO, RRO, BTEX, PAH Duplicate of MW1-06-10-2014 MW2-06-10-2014 230-151-10 GRO, DRO, RRO, BTEX, PAH MW6-06-10-2014 230-151-11 GRO, DRO, RRO, BTEX, PAH

MWTB-06-10-2014 230-151-12 GRO, BTEX Trip Blank

Appendix B


DATA QUALIFIER DEFINITIONS

For the purpose of Data Validation, the following code letters and associated definitions are provided for use by the data validator to summarize the data quality.

R Reported value is “rejected.” Resampling or reanalysis may be necessary to verify the presence or absence of the compound.

J The associated numerical value is an estimated quantity because the Quality Control criteria were not met. “J+” is used when the quantity is biased high, and “J-” is used when the quantity is biased low.

UJ The reported quantitation limit is estimated because QC criteria were not met. Element or compound was not detected.

U The material was analyzed for, but was not detected above the level of the associated value. The associated value is either the sample quantitation limit or the sample detection limit.

NR Result was not used from a particular sample analysis. This typically occurs when more than one result for an element is reported due to dilutions and reanalysis.

DATA REVIEW

Data quality review is a process for evaluating the completeness, correctness, consistency, compliance with method procedures and quality control requirements, and identification of anomalous data. This quality assurance (QA) summary includes a review, where appropriate, of the following parameters.

Sample receipt conditions o Sample preservation o Cooler receipt forms o Chain of Custody condition

Extraction and analytical procedures o Holding times o Analytical reporting limits o Method blanks o Laboratory control samples and duplicates o Matrix spike samples and duplicates o Laboratory duplicate samples o Surrogate recoveries (organics only)

Sampling procedures o Field blanks o Trip blanks o Field duplicate samples

Correspondence to method criteria and project data quality objectives

Appendix B


Each analysis that was performed is evaluated in the following subsections of this report, and only the criteria exceedances that impact data qualification or require assessment beyond laboratory documentation are discussed.

This project did not have a project-specific quality assurance plan with specified data quality objectives. The Data Quality Assessment was conducted in accordance with the following documents.

USEPA Contract Laboratory Program National Functional Guidelines for Inorganic (October, 1994) and Organic (October, 1999) Review,

Alaska Department of Environmental Conservation (ADEC) Environmental Laboratory Data and Quality Assurance Requirements Technical Memorandum (March 2009),

Department of Defense Quality Systems Manual for Environmental Laboratories, Version 3 (DoD QSM) (January, 2006), where and when applicable.

This review document summarizes the precision, accuracy, representativeness, comparability, completeness, and sensitivity as required by ADEC guidelines. An ADEC Laboratory Data Review Checklist is included for this Sample Delivery Group (SDG).

Sample Receipt Conditions

Samples were submitted to TestAmerica in Seattle,WA . Thirteen (13) water samples were submitted in one cooler under intact custody seals in one laboratory batch on June 11, 2014. The sample results are reported under SDG 230-151-1. All samples were received with proper preservation and in good condition. Samples were received at 0.0°C which is below the ADEC recommended temperatures (4 ± 2 °C), but is not low enough to affect data usability.

All holding time criteria specified by the individual methods were met.

Precision

Precision was assessed by calculating the relative percent difference (RPD) between the primary and duplicate of field samples, lab control samples (LCS), and matrix spike samples (MS).

Sample MWDUP-06-10-2014(230-151-9) was collected as a duplicate of sample MW1-06-10-2014 (230-151-8). This represents a field duplicate rate of 1 per 10 soil samples or 10%, which is meets the DQO of 10%.

RPDs were calculated for all detected analytes for the primary and duplicate field sample using the following equation. Results are shown in Table 2 below.

EQUATION 1 – RELATIVE PERCENT DIFFERENCE

Appendix B


TABLE 1 – RPD CALCULATION

Analyte Units

MW1-06-10-2014 230-151-8 Primary

MWDUP-06-10-2014 230-151-9 Duplicate

RPD ≤ 30% Flag

Benzene ug/L 8.7 8.4 4 Toluene ug/L 0.21 0.20 5

Ethylbenzene ug/L 1.2 1.2 0 M&p-xylene ug/L 3.7 3.7 0

o-xylene ug/L 2.9 2.8 4 Naphthalene ug/L 0.39 0.43 10

2-Methylnaphthalene ug/L 0.011 0.014 2 1-Methylnaphthalene ug/L 0.035 0.040 13

GRO mg/L 0.075 0.074 1 DRO mg/L 1.3 1.3 0 RRO mg/L 0.23 0.24 4

All RPDs between the sample and its duplicate were within control limits. No qualifications were made based on this.

The LCS/LCSD RPDs were within laboratory limits.

An MS/MSD site-specific sample was not designated. The laboratory MS/MSD RPDs were within laboratory limits.

Accuracy

Accuracy was assessed by calculating the percent recovery for LCS, MS and surrogates.

Surrogates recoveries represent the extraction efficiencies for groups of analytes within a sample. The surrogate recovery was above control limits for method 8260B for samples MW8-06-10-2014(230-151-7), LCS 580-161425/4, and MB580-161425/3. Sample MW8-06-10-2014 did not contain analytes above the detection limit for method 8260B therefore no qualifiers were assigned based on this. An additional LCS/LCSD and MB sample was run therefore no qualifications were made on the failed surrogate recoveries. All additional surrogate recoveries were within laboratory limits.

The LCS/LCSD for batches 161556 and 161425, contained analytes that were recovered above control limits. These analytes were not detected in associated samples therefore no qualifications were made based on this.

An MS/MSD site-specific sample was not designated. The laboratory MS/MSD % recoveries were within laboratory limits.

No additional qualifications were made based on accuracy.

Appendix B


Representativeness

All samples were collected in accordance with the ADEC Draft Field Sampling Guidance (2010). Samples collected are considered representative of conditions.

Comparability

Field screening was conducted at this site. Field screening results reflect analytical results.

One laboratory was used and one SDG created for the samples that were submitted.

Completeness

All data necessary to complete a Level II data validation on this SDG was provided. No data were rejected, so 100% of results are usable.

Sensitivity

All results are evaluated to the Method Reporting Limit (RL). These limits are comparable to the levels specified in Tables C, ADEC Groundwater Cleanup Levels (18AAC75.345, April 2012).

One trip blank was submitted with this SDG. The trip blank contained a detection of GRO at a level above the method detection limit but below the reporting limit. All GRO detections in the submitted samples have been flagged “J”.

The method blanks (MB) were analyzed at the required frequencies of one per matrix, analysis, and 20 samples. Method blanks 580-161180/1-A and 580-161053/1-A contained detections of analytes that were above the DL but below ½ LOQ. No data flagging was assigned to samples based on this.

No equipment blanks or field blanks were submitted for this SDG.

OVERALL ASSESSMENT

Based on the review completed on the one laboratory SDG data, no data were rejected.

Data qualifiers of “J” were assigned due to failed laboratory quality control criteria.

All analytical data is considered usable for the purpose of evaluating the presence or absence and magnitude of the suspected site contaminants.

Appendix B


DATA QUALITY REVIEW

Date: 08/25/2014

Project : 20125.058 Site: Former Tank Farm, Gustavus, Alaska Laboratory: Test America, Inc. Work Order: 580-38471-1 Receipt Date : 06/06/2014 Analyses: GRO, DRO, RRO, BTEX, PAH Reviewer Name: Emily Freitas Reviewer Title: Chemist

INTRODUCTION

Table 1 lists the field sample numbers, corresponding laboratory numbers, requested analyses, and identifies quality control (QC) samples.

TABLE 1: FIELD SAMPLE PLAN OVERVIEW

Field Sample ID Lab Sample ID Analyses requested QC MW8-05-13-2013 580-38471-1 GRO, DRO, RRO, BTEX, PAH

MW11-05-13-2013 580-38471-2 GRO, DRO, RRO, BTEX, PAH MW3R-05-13-2013 580-38471-3 GRO, DRO, RRO, BTEX, PAH MW18-05-13-2013 580-38471-4 GRO, DRO, RRO, BTEX, PAH Primary MW17-05-13-2013 580-38471-5 GRO, DRO, RRO, BTEX, PAH MW16-05-13-2013 580-38471-6 GRO, DRO, RRO, BTEX, PAH MW118-05-13-2013 580-38471-7 GRO, DRO, RRO, BTEX, PAH Duplicate of MW18-05-13-2013 MW2-05-13-2013 580-38471-8 GRO, DRO, RRO, BTEX, PAH MW1-05-13-2013 580-38471-9 GRO, DRO, RRO, BTEX, PAH MW10-05-13-2013 580-38471-10 GRO, DRO, RRO, BTEX, PAH MW6-05-13-2013 580-38471-11 GRO, DRO, RRO, BTEX, PAH

Trip Blank 580-38471-12 GRO, BTEX Trip Blank

Appendix B


DATA QUALIFIER DEFINITIONS

For the purpose of Data Validation, the following code letters and associated definitions are provided for use by the data validator to summarize the data quality.

R Reported value is “rejected.” Resampling or reanalysis may be necessary to verify the presence or absence of the compound.

J The associated numerical value is an estimated quantity because the Quality Control criteria were not met. “J+” is used when the quantity is biased high, and “J-” is used when the quantity is biased low.

UJ The reported quantitation limit is estimated because QC criteria were not met. Element or compound was not detected.

U The material was analyzed for, but was not detected above the level of the associated value. The associated value is either the sample quantitation limit or the sample detection limit.

NR Result was not used from a particular sample analysis. This typically occurs when more than one result for an element is reported due to dilutions and reanalysis.

DATA REVIEW

Data quality review is a process for evaluating the completeness, correctness, consistency, compliance with method procedures and quality control requirements, and identification of anomalous data. This quality assurance (QA) summary includes a review, where appropriate, of the following parameters.

Sample receipt conditions o Sample preservation o Cooler receipt forms o Chain of Custody condition

Extraction and analytical procedures o Holding times o Analytical reporting limits o Method blanks o Laboratory control samples and duplicates o Matrix spike samples and duplicates o Laboratory duplicate samples o Surrogate recoveries (organics only)

Sampling procedures o Field blanks o Trip blanks o Field duplicate samples

Correspondence to method criteria and project data quality objectives

Appendix B


Each analysis that was performed is evaluated in the following subsections of this report, and only the criteria exceedances that impact data qualification or require assessment beyond laboratory documentation are discussed.

This project did not have a project-specific quality assurance plan with specified data quality objectives. The Data Quality Assessment was conducted in accordance with the following documents.

USEPA Contract Laboratory Program National Functional Guidelines for Inorganic (October, 1994) and Organic (October, 1999) Review,

Alaska Department of Environmental Conservation (ADEC) Environmental Laboratory Data and Quality Assurance Requirements Technical Memorandum (March 2009),

Department of Defense Quality Systems Manual for Environmental Laboratories, Version 3 (DoD QSM) (January, 2006), where and when applicable.

This review document summarizes the precision, accuracy, representativeness, comparability, completeness, and sensitivity as required by ADEC guidelines. An ADEC Laboratory Data Review Checklist is included for this Sample Delivery Group (SDG).

Sample Receipt Conditions

Samples were submitted to TestAmerica in Anchorage, AK. Twelve(12) water samples were submitted in two coolers under intact custody seals in one laboratory batch on May15, 2013. Additional project samples were submitted in one cooler to TestAmerica Seattle on May 15, 2014. The sample results are all reported under SDG 580-38471-1. All samples were received with proper preservation and in good condition. Samples were received at 0.6°C in Anchorage on May 15 which is below the ADEC recommended temperatures (4 ± 2 °C), but is not low enough to affect data usability.

All holding time criteria specified by the individual methods were met.

Precision

Precision was assessed by calculating the relative percent difference (RPD) between the primary and duplicate of field samples, lab control samples (LCS), and matrix spike samples (MS).

Sample MW118-05-13-2013(580-38471-7) was collected as a duplicate of sample MW18-05-13-2013(580-38471-4). This represents a field duplicate rate of 1 per 10 soil samples or 10%, which is meets the DQO of 10%.

No analytes were detected for the primary and duplicate field sample therefore no qualifications were made based on this.

The LCS/LCSD RPDs were within laboratory limits.

An MS/MSD site-specific sample was not designated. The laboratory MS/MSD RPDs were within laboratory limits.

Appendix B


The laboratory duplicate and blank spike samples were all within laboratory limits.

No qualifications were made based on precision.

Accuracy

Accuracy was assessed by calculating the percent recovery for LCS, MS and surrogates.

Surrogates recoveries represent the extraction efficiencies for groups of analytes within a sample. All surrogate recoveries were within laboratory limits.

The LCS/LCSD % recoveries were within laboratory limits.

An MS/MSD site-specific sample was not designated. The laboratory MS/MSD % recoveries were within laboratory limits.

No additional qualifications were made based on accuracy.

Representativeness

All samples were collected in accordance with the ADEC Draft Field Sampling Guidance (2010). Samples collected are considered representative of conditions.

Comparability

Field screening was conducted at this site. Field screening results reflect analytical results.

Two laboratories were used and one SDG created for the samples that were submitted.

Completeness

All data necessary to complete a Level II data validation on this SDG was provided. No data were rejected, so 100% of results are usable.

Sensitivity

All results are evaluated to the detection limit (DL). These limits are comparable to the levels specified in Tables C, ADEC Groundwater Cleanup Levels (18AAC75.345, April 2012).

One trip blank was submitted with this SDG. The trip blank contained no detections and no qualifications were made based on this.

The method blanks (MB) were analyzed at the required frequencies of one per matrix, analysis, and 20 samples. Method blank 580-135815/1-A contained analyte detections at levels that were above the method detection limit but below the reporting limit. Associated samples with these analyte detections have been flagged “J” as estimated. Method blank 13E0027-BLK1 contained analyte detections for DRO. Samples were re-extracted and re-analyzed with the exception of AWE0022-01, which is associated with client sample MW8-05-13-2013. The detection of DRO

Appendix B


in this sample has been flagged “J” as estimated with a high bias. All additional sample results were non-detect and have not been flagged.

No equipment blanks or field blanks were submitted for this SDG.

OVERALL ASSESSMENT

Based on the review completed on the one laboratory SDG data, no data were rejected.

Data qualifiers of “J” were assigned due to failed laboratory quality control criteria.

All analytical data is considered usable for the purpose of evaluating the presence or absence and magnitude of the suspected site contaminants.

APPENDIX C-2

ADEC LABORATORY DATA REVIEW CHECKLISTS


Version 2.7 Page 1 of 7 1/10

Laboratory Data Review Checklist

Completed by: Title: Date: CS Report Name: Report Date: Consultant Firm: Laboratory Name: Laboratory Report Number: ADEC File Number: ADEC RecKey Number: 1. Laboratory

a. Did an ADEC CS approved laboratory receive and perform all of the submitted sample analyses? Yes No NA (Please explain.) Comments:

b. If the samples were transferred to another “network” laboratory or sub-contracted to an alternate

laboratory, was the laboratory performing the analyses ADEC CS approved? Yes No NA (Please explain.) Comments:

2. Chain of Custody (COC)

a. COC information completed, signed, and dated (including released/received by)? Yes No NA (Please explain.) Comments:

b. Correct analyses requested?

Yes No NA (Please explain.) Comments:

3. Laboratory Sample Receipt Documentation

a. Sample/cooler temperature documented and within range at receipt (4° ± 2° C)? Yes No NA (Please explain.) Comments:

b. Sample preservation acceptable – acidified waters, Methanol preserved VOC soil (GRO, BTEX,

Volatile Chlorinated Solvents, etc.)? Yes No NA (Please explain.) Comments:

Emily Freitas

Chemist 8/25/2014


Test America 230-151-1

Test America is an ADEC-approved laboratory.

Samples were not transferred to any additional laboratories.

COC information was completed correctly.

Correct analyses were requested.

Samples were received at 0.0°C. This temperature was not low enough to affect usability.

Samples were correctly preserved according to analyses requested.


c. Sample condition documented – broken, leaking (Methanol), zero headspace (VOC vials)?


d. If there were any discrepancies, were they documented? For example, incorrect sample

containers/preservation, sample temperature outside of acceptable range, insufficient or missing samples, etc.?


e. Data quality or usability affected? (Please explain.)

Comments:

4. Case Narrative

a. Present and understandable? Yes No NA (Please explain.) Comments:

b. Discrepancies, errors or QC failures identified by the lab?


c. Were all corrective actions documented?


d. What is the effect on data quality/usability according to the case narrative?

Comments:

5. Samples Results

a. Correct analyses performed/reported as requested on COC? Yes No NA (Please explain.) Comments:

b. All applicable holding times met?


Sample condition documented.

Low temperature upon receipt was documented.

The temperature was not low enough to affect sample usability.

Surrogate, method blank, and LCS errors were documented.

Corrective actions were documented.

Data usability was not affected. Samples have been flagged where necessary.


c. All soils reported on a dry weight basis? Yes No NA (Please explain.) Comments:

d. Are the reported PQLs less than the Cleanup Level or the minimum required detection level for the

project? Yes No NA (Please explain.) Comments:

e. Data quality or usability affected?

Comments:

6. QC Samples

a. Method Blank i. One method blank reported per matrix, analysis and 20 samples?


ii. All method blank results less than PQL?


iii. If above PQL, what samples are affected?

Comments:

iv. Do the affected sample(s) have data flags and if so, are the data flags clearly defined?


v. Data quality or usability affected? (Please explain.)

Comments:

b. Laboratory Control Sample/Duplicate (LCS/LCSD)

i. Organics – One LCS/LCSD reported per matrix, analysis and 20 samples? (LCS/LCSD

required per AK methods, LCS required per SW846)

No soil samples were submitted.

The PQLs are lower than the Cleanup Level.

Data quality is not affected.

Method blanks contained analyte detections at levels that were above the method detection limit but below the reporting limit. Analyte detections were below 1/2 of the LOQ, therefore results were not qualified.

No samples were affected and no qualifiers have been assigned.

Detections were below 1/2 of the LOQ so are attributed to residual compounds in the machine and are not high enough to affect data.

Data usability is not affected



ii. Metals/Inorganics – one LCS and one sample duplicate reported per matrix, analysis and 20 samples?


iii. Accuracy – All percent recoveries (%R) reported and within method or laboratory limits?

And project specified DQOs, if applicable. (AK Petroleum methods: AK101 60%-120%, AK102 75%-125%, AK103 60%-120%; all other analyses see the laboratory QC pages)


iv. Precision – All relative percent differences (RPD) reported and less than method or

laboratory limits? And project specified DQOs, if applicable. RPD reported from LCS/LCSD, MS/MSD, and or sample/sample duplicate. (AK Petroleum methods 20%; all other analyses see the laboratory QC pages)


v. If %R or RPD is outside of acceptable limits, what samples are affected?

Comments:

vi. Do the affected sample(s) have data flags? If so, are the data flags clearly defined?


vii. Data quality or usability affected? (Use comment box to explain.)

Comments:

c. Surrogates – Organics Only

i. Are surrogate recoveries reported for organic analyses – field, QC and laboratory samples?


ii. Accuracy – All percent recoveries (%R) reported and within method or laboratory limits?

And project specified DQOs, if applicable. (AK Petroleum methods 50-150 %R; all other analyses see the laboratory report pages)

No metals/inorganic analyses were requested.

LCS/LCSD in batches 161556 and 161425 had analytes with high %R.

No samples were affected because all additioanl quality control criteria were within limits.

There were no affected samples.

Data usability is not affected.

Surrogate recoveries for MW8-06-10-2014, LCS 580-161425/4, and MB 580-161425/3 were above recommended %R.



iii. Do the sample results with failed surrogate recoveries have data flags? If so, are the data flags clearly defined?


iv. Data quality or usability affected? (Use the comment box to explain.)

Comments:

d. Trip blank – Volatile analyses only (GRO, BTEX, Volatile Chlorinated Solvents, etc.): Water and

Soil

i. One trip blank reported per matrix, analysis and for each cooler containing volatile samples? (If not, enter explanation below.)


ii. Is the cooler used to transport the trip blank and VOA samples clearly indicated on the COC?

(If not, a comment explaining why must be entered below) Yes No NA (Please explain.) Comments:

iii. All results less than PQL?


iv. If above PQL, what samples are affected? Comments:


Comments:

e. Field Duplicate

i. One field duplicate submitted per matrix, analysis and 10 project samples?

Analytes would be biased high but there were no detections in the associated samples therefore no data flags have been applied.


GRO was detected at levels above the method detection limit but below the reporting limit.

All samples with GRO detections have been flagged "J".

Data quality was not affected by the trip blank.



ii. Submitted blind to lab? Yes No NA (Please explain.) Comments:

iii. Precision – All relative percent differences (RPD) less than specified DQOs?

(Recommended: 30% water, 50% soil) RPD (%) = Absolute value of: (R1-R2) x 100

((R1+R2)/2)

Where R1 = Sample Concentration R2 = Field Duplicate Concentration


iv. Data quality or usability affected? (Use the comment box to explain why or why not.)

Comments:

f. Decontamination or Equipment Blank (If not used explain why).


i. All results less than PQL?


ii. If above PQL, what samples are affected?

Comments:

iii. Data quality or usability affected? (Please explain.)

Comments:

7. Other Data Flags/Qualifiers (ACOE, AFCEE, Lab Specific, etc.)

a. Defined and appropriate?

No equipment blank necessary. Disposable equipment was used.

NA.

No.

Lab specific qualifiers identifying the nature of the samples are defined in the case narrative.


Laboratory Data Review Checklist

Completed by: Title: Date: CS Report Name: Report Date: Consultant Firm: Laboratory Name: Laboratory Report Number: ADEC File Number: ADEC RecKey Number: 1. Laboratory

a. Did an ADEC CS approved laboratory receive and perform all of the submitted sample analyses? Yes No NA (Please explain.) Comments:

b. If the samples were transferred to another “network” laboratory or sub-contracted to an alternate

laboratory, was the laboratory performing the analyses ADEC CS approved? Yes No NA (Please explain.) Comments:

2. Chain of Custody (COC)

a. COC information completed, signed, and dated (including released/received by)? Yes No NA (Please explain.) Comments:

b. Correct analyses requested?


3. Laboratory Sample Receipt Documentation

a. Sample/cooler temperature documented and within range at receipt (4° ± 2° C)? Yes No NA (Please explain.) Comments:

b. Sample preservation acceptable – acidified waters, Methanol preserved VOC soil (GRO, BTEX,

Volatile Chlorinated Solvents, etc.)?

Emily Freitas

Chemist 8/25/2014


Test America 580-38471-1

Test America is an ADEC-approved laboratory.

Samples were transferred to another TestAmerica laboratory.

COC information was completed correctly.

Correct analyses were requested.

Samples were received at 0.6°C in Anchorage. This temperature was not low enough to affect usability. Additional cooler temperatures were within range.

Samples were correctly preserved according to analyses requested.



c. Sample condition documented – broken, leaking (Methanol), zero headspace (VOC vials)? Yes No NA (Please explain.) Comments:

d. If there were any discrepancies, were they documented? For example, incorrect sample

containers/preservation, sample temperature outside of acceptable range, insufficient or missing samples, etc.?


e. Data quality or usability affected? (Please explain.)

Comments:

4. Case Narrative

a. Present and understandable? Yes No NA (Please explain.) Comments:

b. Discrepancies, errors or QC failures identified by the lab?


c. Were all corrective actions documented?


d. What is the effect on data quality/usability according to the case narrative?

Comments:

5. Samples Results

a. Correct analyses performed/reported as requested on COC? Yes No NA (Please explain.) Comments:

b. All applicable holding times met?


Sample condition documented

Low temperature upon receipt was documented.

The temperature was not low enough to affect sample usability.

Method blank errors were documented.

Samples with method blank errors were re-extracted and analyzed. This was documented in the case narrative.

Data usability was not affected. Samples have been flagged where necessary.


c. All soils reported on a dry weight basis?


d. Are the reported PQLs less than the Cleanup Level or the minimum required detection level for the

project? Yes No NA (Please explain.) Comments:

e. Data quality or usability affected?

Comments:

6. QC Samples

a. Method Blank i. One method blank reported per matrix, analysis and 20 samples?


ii. All method blank results less than PQL?


iii. If above PQL, what samples are affected?

Comments:

iv. Do the affected sample(s) have data flags and if so, are the data flags clearly defined?



Comments:

No soil samples were submitted.

The PQLs are lower than the Cleanup Level.


Method blanks contained analyte detections at levels that were above the method detection limit but below the reporting limit.

All samples were reanalyzed with the exception of one. This sample's GRO detection has been flagged.

Affected sample result haa been flagged "J" as estimated.

Data usability is not affected


b. Laboratory Control Sample/Duplicate (LCS/LCSD)

i. Organics – One LCS/LCSD reported per matrix, analysis and 20 samples? (LCS/LCSD required per AK methods, LCS required per SW846)


ii. Metals/Inorganics – one LCS and one sample duplicate reported per matrix, analysis and 20

samples? Yes No NA (Please explain.) Comments:

iii. Accuracy – All percent recoveries (%R) reported and within method or laboratory limits?

And project specified DQOs, if applicable. (AK Petroleum methods: AK101 60%-120%, AK102 75%-125%, AK103 60%-120%; all other analyses see the laboratory QC pages)


iv. Precision – All relative percent differences (RPD) reported and less than method or

laboratory limits? And project specified DQOs, if applicable. RPD reported from LCS/LCSD, MS/MSD, and or sample/sample duplicate. (AK Petroleum methods 20%; all other analyses see the laboratory QC pages)


v. If %R or RPD is outside of acceptable limits, what samples are affected?

Comments:

vi. Do the affected sample(s) have data flags? If so, are the data flags clearly defined?


vii. Data quality or usability affected? (Use comment box to explain.)

Comments:

c. Surrogates – Organics Only

i. Are surrogate recoveries reported for organic analyses – field, QC and laboratory samples?


No metals/inorganic analyses were requested.

There were no affected samples.

Data usability is not affected.


ii. Accuracy – All percent recoveries (%R) reported and within method or laboratory limits? And project specified DQOs, if applicable. (AK Petroleum methods 50-150 %R; all other analyses see the laboratory report pages)


iii. Do the sample results with failed surrogate recoveries have data flags? If so, are the data

flags clearly defined? Yes No NA (Please explain.) Comments:

iv. Data quality or usability affected? (Use the comment box to explain.)

Comments:

d. Trip blank – Volatile analyses only (GRO, BTEX, Volatile Chlorinated Solvents, etc.): Water and

Soil

i. One trip blank reported per matrix, analysis and for each cooler containing volatile samples? (If not, enter explanation below.)


ii. Is the cooler used to transport the trip blank and VOA samples clearly indicated on the COC?

(If not, a comment explaining why must be entered below) Yes No NA (Please explain.) Comments:

iii. All results less than PQL?


iv. If above PQL, what samples are affected? Comments:


Comments:

No failed surrogates.


Data quality was not affected by the trip blank.


e. Field Duplicate

i. One field duplicate submitted per matrix, analysis and 10 project samples? Yes No NA (Please explain.) Comments:

ii. Submitted blind to lab?


iii. Precision – All relative percent differences (RPD) less than specified DQOs?

(Recommended: 30% water, 50% soil) RPD (%) = Absolute value of: (R1-R2) x 100

((R1+R2)/2)

Where R1 = Sample Concentration R2 = Field Duplicate Concentration


iv. Data quality or usability affected? (Use the comment box to explain why or why not.)

Comments:

f. Decontamination or Equipment Blank (If not used explain why).


i. All results less than PQL?


ii. If above PQL, what samples are affected?

Comments:

iii. Data quality or usability affected? (Please explain.)

Comments:

Sample and duplicate contatined no analyte detections.

No equipment blank necessary. Disposable equipment was used.

NA.

No.


7. Other Data Flags/Qualifiers (ACOE, AFCEE, Lab Specific, etc.)

a. Defined and appropriate? Yes No NA (Please explain.) Comments:

Lab specific qualifiers identifying the nature of the samples are defined in the case narrative.



APPENDIX C-3

LABORATORY DATA REPORTS



Ahtna Engineering Services, LLC October 2014

Electronic files of the laboratory data are included on the CD.


Ahtna Engineering Services, LLC October 2014


ANALYTICAL REPORTTestAmerica Laboratories, Inc.TestAmerica Anchorage2000 West International Airport RoadSuite A10Anchorage, AK 99502-1119Tel: (907)563-9200

TestAmerica Job ID: 230-151-1Client Project/Site: Gustavus GW

For:Ahtna Engineering Services LLC560 E 34th AvenueSuite 101Anchorage, Alaska 99503

Attn: Monica Oakley

Authorized for release by:7/1/2014 5:03:36 PM

Johanna Dreher, Project Manager I(907)[email protected]

This report has been electronically signed and authorized by the signatory. Electronic signature isintended to be the legally binding equivalent of a traditionally handwritten signature.

Results relate only to the items tested and the sample(s) as received by the laboratory.

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https://secure.testamericainc.com/TotalAccess/login.aspx

http://www.testamericainc.com/AskTheExpert/Expert_index.htm

http://www.testamericainc.com

mailto:[email protected]

Table of Contents

Client: Ahtna Engineering Services LLCProject/Site: Gustavus GW

TestAmerica Job ID: 230-151-1

Page 2 of 43TestAmerica Anchorage

7/1/2014

Cover Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Definitions/Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Case Narrative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Detection Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Client Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Surrogate Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

QC Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

QC Association Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Lab Chronicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Certification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Method Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Sample Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Chain of Custody . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Receipt Checklists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

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Definitions/GlossaryTestAmerica Job ID: 230-151-1Client: Ahtna Engineering Services LLC

Project/Site: Gustavus GW

Qualifiers

GC/MS VOA

Qualifier Description

J Result is less than the RL but greater than or equal to the MDL and the concentration is an approximate value.

Qualifier

X Surrogate is outside control limits

GC/MS Semi VOA


B Compound was found in the blank and sample.

Qualifier


GC VOA



Qualifier

GC Semi VOA



Qualifier

Y The chromatographic response resembles a typical fuel pattern.


Glossary

These commonly used abbreviations may or may not be present in this report.

¤ Listed under the "D" column to designate that the result is reported on a dry weight basis

Abbreviation

%R Percent Recovery

CFL Contains Free Liquid

CNF Contains no Free Liquid

DER Duplicate error ratio (normalized absolute difference)

Dil Fac Dilution Factor

DL, RA, RE, IN Indicates a Dilution, Re-analysis, Re-extraction, or additional Initial metals/anion analysis of the sample

DLC Decision level concentration

MDA Minimum detectable activity

EDL Estimated Detection Limit

MDC Minimum detectable concentration

MDL Method Detection Limit

ML Minimum Level (Dioxin)

NC Not Calculated

ND Not detected at the reporting limit (or MDL or EDL if shown)

PQL Practical Quantitation Limit

QC Quality Control

RER Relative error ratio

RL Reporting Limit or Requested Limit (Radiochemistry)

RPD Relative Percent Difference, a measure of the relative difference between two points

TEF Toxicity Equivalent Factor (Dioxin)

TEQ Toxicity Equivalent Quotient (Dioxin)

TestAmerica Anchorage

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Case NarrativeClient: Ahtna Engineering Services LLC TestAmerica Job ID: 230-151-1


Job ID: 230-151-1

Laboratory: TestAmerica Anchorage

Narrative

Job Narrative

230-151-1

Comments

This data set was analyzed in by TestAmerica Seattle.

Receipt

The samples were received in Seattle on 6/11/2014 5:10 PM; the samples arrived in good condition, properly preserved and, where

required, on ice. The temperature of the cooler at receipt was 0.0º C.

GC/MS VOA

Method(s) 8260B: 1,2 dichloroethane was detected above the reporting limit (RL) in the method blank associated with batch 161425 as

well as in the samples. Samples 2, 3, 4, 5, 6, 7, and 12 from job 151 reported no detections of target samples and thus were reported. All

other samples will be reanalyzed under a new analytical batch.

Method(s) 8260B: The BFB tune report associated with analytical batch 161425 shows the 94.70% relative abundance for m/z = 176 failing

the 95-101% method criteria. This value meets method criteria and is the result of a rounding/significant figure precision error. The data

have been reported.

Method(s) 8260B: The laboratory control sample (LCS) and / or laboratory control sample duplicate (LCSD) for batch 161425 recovered

outside control limits for the following analytes: 4-bromofluorobenzene. These analytes were biased high in the LCS and were not

detected in the associated samples; therefore, the data have been reported.

Method(s) 8260B: Surrogate recovery for the following sample(s) was outside the upper control limit: MW8-06-10-2014 (230-151-7). This

sample did not contain any target analytes; therefore, re-extraction and/or re-analysis was not performed.

Method(s) 8260B: The laboratory control sample (LCS) and / or laboratory control sample duplicate (LCSD) for batch 161556 recovered

outside control limits for the following analytes: 1, 2, 3-trichloropropane, 2-hexanone, 4-methyl-2-penanone, and

trans-1,4-dichloro-2-butene. These analytes were biased high in the LCS and were not detected in the associated samples; therefore, the

data have been reported.

No additional analytical or quality issues were noted, other than those described above or in the Definitions/Glossary page.

GC/MS Semi VOA

Method(s) 8270C SIM: The method blank for prep batch 161053 contained multiple analytes above the method detection limit. This target

analyte concentration was less than the reporting limit (RL); therefore, re-extraction and/or re-analysis of samples was not performed.


GC Semi VOA

Method(s) AK102 & 103: In analytical batch 161173, for the following sample(s) from preparation batch 161180: MW10-06-09-2014

(230-151-1), MW1-06-10-2014 (230-151-8), MW2-06-10-2014 (230-151-10), MW3R-06-09-2014 (230-151-5), MW6-06-10-2014

(230-151-11), MWDUP-06-10-2014 (230-151-9), the results in the DRO (nC10->nC25) and RRO (>nC25-nC36) range(s) are due to what

most closely resembles a complex mixture of weathered/degraded diesel fuel, mineral/transformer oil range products, and motor oil

range products. The affected analyte range(s) have been Y qualified and reported.

Method(s) AK102 & 103: In analytical batch 161173, for the following sample from preparation batch 161180: MW11-06-09-2014

(230-151-4), the results in the RRO (>nC25-nC36) range is due to what most closely resembles a complex mixture of motor oil range

products. The affected analyte range(s) have been Y qualified and reported.

Method(s) AK102 & 103: In analytical batch 161773, for the following samples from preparation batch 161180: The method blank

contained DRO (nC10->nC25) and RRO (>nC25-nC36) above the method detection limit. This target analyte concentration was less than

the 1/2 the reporting limit (RL); therefore, re-extraction and/or re-analysis of samples was not performed.


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Job ID: 230-151-1 (Continued)

Laboratory: TestAmerica Anchorage (Continued)

Organic Prep

No analytical or quality issues were noted, other than those described in the Definitions/Glossary page.


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Detection SummaryTestAmerica Job ID: 230-151-1Client: Ahtna Engineering Services LLC


Client Sample ID: MW10-06-09-2014 Lab Sample ID: 230-151-1

Benzene

RL

1.0 ug/L0.14

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA12.9 8260B

Toluene 1.0 ug/L0.16 Total/NA10.51 J 8260B

Ethylbenzene 1.0 ug/L0.13 Total/NA11.8 8260B

m-Xylene & p-Xylene 2.0 ug/L0.13 Total/NA10.16 J 8260B

o-Xylene 1.0 ug/L0.12 Total/NA11.7 8260B

Naphthalene 0.021 ug/L0.0076 Total/NA10.029 B 8270C SIM

1-Methylnaphthalene 0.021 ug/L0.0063 Total/NA10.049 8270C SIM

Acenaphthene 0.021 ug/L0.0063 Total/NA10.039 8270C SIM

Fluorene 0.021 ug/L0.0063 Total/NA10.032 8270C SIM

Gasoline Range Organics (GRO)

-C6-C10

0.050 mg/L0.015 Total/NA10.13 AK101

DRO (nC10-<nC25) 0.099 mg/L0.012 Total/NA12.6 B Y AK102 & 103

RRO (nC25-nC36) 0.099 mg/L0.020 Total/NA10.52 B Y AK102 & 103


Naphthalene

RL

0.021 ug/L0.0077


Total/NA1J B0.015 8270C SIM

DRO (nC10-<nC25) 0.11 mg/L0.013 Total/NA10.091 J B AK102 & 103

RRO (nC25-nC36) 0.11 mg/L0.021 Total/NA10.085 J B AK102 & 103


Naphthalene

RL

0.021 ug/L0.0076



2-Methylnaphthalene 0.027 ug/L0.0063 Total/NA10.0063 J B 8270C SIM


-C6-C10

0.050 mg/L0.015 Total/NA10.015 J AK101




Naphthalene

RL

0.020 ug/L0.0073





Client Sample ID: MW3R-06-09-2014 Lab Sample ID: 230-151-5

Naphthalene

RL

0.020 ug/L0.0072



Acenaphthene 0.020 ug/L0.0060 Total/NA10.0062 J 8270C SIM




Naphthalene

RL

0.021 ug/L0.0074





This Detection Summary does not include radiochemical test results.

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Client Sample ID: MW17-06-10-2014 (Continued) Lab Sample ID: 230-151-6

DRO (nC10-<nC25)

RL

0.10 mg/L0.012


Total/NA1J B0.028 AK102 & 103



Naphthalene

RL

0.021 ug/L0.0075



Phenanthrene 0.021 ug/L0.0062 Total/NA10.0066 J 8270C SIM




Benzene

RL

1.0 ug/L0.14


Total/NA18.7 8260B



m-Xylene & p-Xylene 2.0 ug/L0.13 Total/NA13.7 8260B






-C6-C10

0.050 mg/L0.015 Total/NA10.076 AK101



Client Sample ID: MWDUP-06-10-2014 Lab Sample ID: 230-151-9

Benzene

RL

1.0 ug/L0.14


Total/NA18.4 8260B



m-Xylene & p-Xylene 2.0 ug/L0.13 Total/NA13.7 8260B






-C6-C10

0.050 mg/L0.015 Total/NA10.074 AK101




Benzene

RL

1.0 ug/L0.14


Total/NA127 8260B

Toluene 1.0 ug/L0.16 Total/NA12.0 8260B

Ethylbenzene 1.0 ug/L0.13 Total/NA115 8260B

m-Xylene & p-Xylene 2.0 ug/L0.13 Total/NA139 8260B




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Client Sample ID: MW2-06-10-2014 (Continued) Lab Sample ID: 230-151-10

Naphthalene

RL

0.020 ug/L0.0072


Total/NA1B0.051 8270C SIM



-C6-C10

0.050 mg/L0.015 Total/NA10.41 AK101




Benzene

RL

1.0 ug/L0.14


Total/NA18.3 8260B


Ethylbenzene 1.0 ug/L0.13 Total/NA10.56 J 8260B

m-Xylene & p-Xylene 2.0 ug/L0.13 Total/NA10.21 J 8260B


2-Methylnaphthalene 0.026 ug/L0.0060 Total/NA10.18 B 8270C SIM


Acenaphthylene 0.020 ug/L0.0060 Total/NA10.045 8270C SIM


-C6-C10

0.050 mg/L0.015 Total/NA10.12 AK101

DRO (nC10-<nC25) 0.099 mg/L0.012 Total/NA114 B Y AK102 & 103


Client Sample ID: MWTB-06-10-2014 Lab Sample ID: 230-151-12


-C6-C10

RL

0.050 mg/L0.015


Total/NA1J0.021 AK101



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Client Sample ResultsTestAmerica Job ID: 230-151-1Client: Ahtna Engineering Services LLC


Lab Sample ID: 230-151-1Client Sample ID: MW10-06-09-2014Matrix: WaterDate Collected: 06/09/14 12:00

Date Received: 06/11/14 17:10

Method: 8260B - Volatile Organic Compounds (GC/MS)RL

Benzene 2.9 1.0 0.14 ug/L 06/18/14 21:09 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

1.0 0.16 ug/L 06/18/14 21:09 1Toluene 0.51 J

1.0 0.13 ug/L 06/18/14 21:09 1Ethylbenzene 1.8

2.0 0.13 ug/L 06/18/14 21:09 1m-Xylene & p-Xylene 0.16 J

1.0 0.12 ug/L 06/18/14 21:09 1o-Xylene 1.7

Toluene-d8 (Surr) 99 85 - 120 06/18/14 21:09 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

Trifluorotoluene (Surr) 98 06/18/14 21:09 170 - 136

4-Bromofluorobenzene (Surr) 102 06/18/14 21:09 175 - 120

Dibromofluoromethane (Surr) 104 06/18/14 21:09 185 - 115

1,2-Dichloroethane-d4 (Surr) 112 06/18/14 21:09 170 - 120

Method: 8270C SIM - Semivolatile Organic Compounds (GC/MS SIM)RL

Naphthalene 0.029 B 0.021 0.0076 ug/L 06/13/14 10:00 06/30/14 18:38 1


0.027 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 12-Methylnaphthalene ND

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 11-Methylnaphthalene 0.049

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 1Acenaphthylene ND

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 1Acenaphthene 0.039

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 1Fluorene 0.032

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 1Phenanthrene ND

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 1Anthracene ND

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 1Fluoranthene ND

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 1Pyrene ND

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 1Benzo[a]anthracene ND

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 1Chrysene ND

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 1Benzo[b]fluoranthene ND

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 1Benzo[k]fluoranthene ND

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 1Benzo[a]pyrene ND

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 1Indeno[1,2,3-cd]pyrene ND

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 1Dibenz(a,h)anthracene ND

0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 18:38 1Benzo[g,h,i]perylene ND

Terphenyl-d14 81 64 - 150 06/13/14 10:00 06/30/14 18:38 1


Method: AK101 - Alaska - Gasoline Range Organics (GC)RL


-C6-C10

0.13 0.050 0.015 mg/L 06/18/14 20:59 1


Trifluorotoluene (Surr) 116 50 - 150 06/18/14 20:59 1



Method: AK102 & 103 - Alaska - Diesel Range Organics & Residual Range Organics (GC)RL

DRO (nC10-<nC25) 2.6 B Y 0.099 0.012 mg/L 06/14/14 13:51 06/14/14 20:43 1


0.099 0.020 mg/L 06/14/14 13:51 06/14/14 20:43 1RRO (nC25-nC36) 0.52 B Y


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o-Terphenyl 77 50 - 150 06/14/14 13:51 06/14/14 20:43 1


n-Triacontane-d62 84 06/14/14 13:51 06/14/14 20:43 150 - 150




Benzene ND 1.0 0.14 ug/L 06/18/14 02:38 1


1.0 0.16 ug/L 06/18/14 02:38 1Toluene ND

1.0 0.13 ug/L 06/18/14 02:38 1Ethylbenzene ND

2.0 0.13 ug/L 06/18/14 02:38 1m-Xylene & p-Xylene ND

1.0 0.12 ug/L 06/18/14 02:38 1o-Xylene ND

Toluene-d8 (Surr) 96 85 - 120 06/18/14 02:38 1







Naphthalene 0.015 J B 0.021 0.0077 ug/L 06/13/14 10:00 06/30/14 19:01 1





0.021 0.0064 ug/L 06/13/14 10:00 06/30/14 19:01 1Acenaphthene ND

0.021 0.0064 ug/L 06/13/14 10:00 06/30/14 19:01 1Fluorene ND




0.021 0.0064 ug/L 06/13/14 10:00 06/30/14 19:01 1Pyrene ND


0.021 0.0064 ug/L 06/13/14 10:00 06/30/14 19:01 1Chrysene ND







Terphenyl-d14 80 64 - 150 06/13/14 10:00 06/30/14 19:01 1




-C6-C10

ND 0.050 0.015 mg/L 06/18/14 21:33 1



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DRO (nC10-<nC25) 0.091 J B 0.11 0.013 mg/L 06/14/14 13:51 06/14/14 21:01 1


0.11 0.021 mg/L 06/14/14 13:51 06/14/14 21:01 1RRO (nC25-nC36) 0.085 J B

o-Terphenyl 52 50 - 150 06/14/14 13:51 06/14/14 21:01 1


n-Triacontane-d62 68 06/14/14 13:51 06/14/14 21:01 150 - 150




Benzene ND 1.0 0.14 ug/L 06/18/14 03:04 1


1.0 0.16 ug/L 06/18/14 03:04 1Toluene ND



1.0 0.12 ug/L 06/18/14 03:04 1o-Xylene ND

Toluene-d8 (Surr) 97 85 - 120 06/18/14 03:04 1









0.027 0.0063 ug/L 06/13/14 10:00 06/30/14 19:24 12-Methylnaphthalene 0.0063 J B




0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 19:24 1Fluorene ND




0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 19:24 1Pyrene ND


0.021 0.0063 ug/L 06/13/14 10:00 06/30/14 19:24 1Chrysene ND








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Terphenyl-d14 84 64 - 150 06/13/14 10:00 06/30/14 19:24 1




-C6-C10

0.015 J 0.050 0.015 mg/L 06/18/14 22:07 1






DRO (nC10-<nC25) 0.028 J B 0.10 0.012 mg/L 06/14/14 13:51 06/14/14 21:19 1


0.10 0.020 mg/L 06/14/14 13:51 06/14/14 21:19 1RRO (nC25-nC36) 0.079 J B

o-Terphenyl 68 50 - 150 06/14/14 13:51 06/14/14 21:19 1


n-Triacontane-d62 73 06/14/14 13:51 06/14/14 21:19 150 - 150




Benzene ND 1.0 0.14 ug/L 06/18/14 03:31 1


1.0 0.16 ug/L 06/18/14 03:31 1Toluene ND



1.0 0.12 ug/L 06/18/14 03:31 1o-Xylene ND

Toluene-d8 (Surr) 99 85 - 120 06/18/14 03:31 1













0.020 0.0061 ug/L 06/13/14 10:00 06/30/14 19:47 1Fluorene ND




0.020 0.0061 ug/L 06/13/14 10:00 06/30/14 19:47 1Pyrene ND



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Method: 8270C SIM - Semivolatile Organic Compounds (GC/MS SIM) (Continued)RL

Chrysene ND 0.020 0.0061 ug/L 06/13/14 10:00 06/30/14 19:47 1








Terphenyl-d14 80 64 - 150 06/13/14 10:00 06/30/14 19:47 1




-C6-C10

ND 0.050 0.015 mg/L 06/18/14 22:41 1






DRO (nC10-<nC25) 0.11 B Y 0.11 0.013 mg/L 06/14/14 13:51 06/14/14 21:37 1


0.11 0.021 mg/L 06/14/14 13:51 06/14/14 21:37 1RRO (nC25-nC36) 0.096 J B

o-Terphenyl 59 50 - 150 06/14/14 13:51 06/14/14 21:37 1


n-Triacontane-d62 71 06/14/14 13:51 06/14/14 21:37 150 - 150

Lab Sample ID: 230-151-5Client Sample ID: MW3R-06-09-2014Matrix: WaterDate Collected: 06/09/14 16:00



Benzene ND 1.0 0.14 ug/L 06/18/14 03:58 1


1.0 0.16 ug/L 06/18/14 03:58 1Toluene ND



1.0 0.12 ug/L 06/18/14 03:58 1o-Xylene ND

Toluene-d8 (Surr) 96 85 - 120 06/18/14 03:58 1











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1-Methylnaphthalene ND 0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 20:09 1



0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 20:09 1Acenaphthene 0.0062 J

0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 20:09 1Fluorene ND




0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 20:09 1Pyrene ND


0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 20:09 1Chrysene ND







Terphenyl-d14 89 64 - 150 06/13/14 10:00 06/30/14 20:09 1




-C6-C10

ND 0.050 0.015 mg/L 06/18/14 23:48 1






DRO (nC10-<nC25) 0.39 B Y 0.097 0.012 mg/L 06/14/14 13:51 06/14/14 21:55 1


0.097 0.019 mg/L 06/14/14 13:51 06/14/14 21:55 1RRO (nC25-nC36) 0.11 B Y

o-Terphenyl 58 50 - 150 06/14/14 13:51 06/14/14 21:55 1


n-Triacontane-d62 74 06/14/14 13:51 06/14/14 21:55 150 - 150




Benzene ND 1.0 0.14 ug/L 06/18/14 04:25 1


1.0 0.16 ug/L 06/18/14 04:25 1Toluene ND



1.0 0.12 ug/L 06/18/14 04:25 1o-Xylene ND


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Toluene-d8 (Surr) 100 85 - 120 06/18/14 04:25 1













0.021 0.0062 ug/L 06/13/14 10:00 06/30/14 20:32 1Fluorene ND




0.021 0.0062 ug/L 06/13/14 10:00 06/30/14 20:32 1Pyrene ND


0.021 0.0062 ug/L 06/13/14 10:00 06/30/14 20:32 1Chrysene ND







Terphenyl-d14 89 64 - 150 06/13/14 10:00 06/30/14 20:32 1




-C6-C10

ND 0.050 0.015 mg/L 06/19/14 00:21 1






DRO (nC10-<nC25) 0.028 J B 0.10 0.012 mg/L 06/14/14 13:51 06/14/14 22:13 1


0.10 0.021 mg/L 06/14/14 13:51 06/14/14 22:13 1RRO (nC25-nC36) 0.089 J B

o-Terphenyl 60 50 - 150 06/14/14 13:51 06/14/14 22:13 1


n-Triacontane-d62 79 06/14/14 13:51 06/14/14 22:13 150 - 150


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Benzene ND 1.0 0.14 ug/L 06/18/14 04:52 1


1.0 0.16 ug/L 06/18/14 04:52 1Toluene ND



1.0 0.12 ug/L 06/18/14 04:52 1o-Xylene ND

Toluene-d8 (Surr) 103 85 - 120 06/18/14 04:52 1





1,2-Dichloroethane-d4 (Surr) 121 X 06/18/14 04:52 170 - 120








0.021 0.0062 ug/L 06/13/14 10:00 06/30/14 20:55 1Fluorene ND

0.021 0.0062 ug/L 06/13/14 10:00 06/30/14 20:55 1Phenanthrene 0.0066 J



0.021 0.0062 ug/L 06/13/14 10:00 06/30/14 20:55 1Pyrene ND


0.021 0.0062 ug/L 06/13/14 10:00 06/30/14 20:55 1Chrysene ND







Terphenyl-d14 83 64 - 150 06/13/14 10:00 06/30/14 20:55 1




-C6-C10

ND 0.050 0.015 mg/L 06/19/14 00:55 1






DRO (nC10-<nC25) 0.021 J B 0.096 0.012 mg/L 06/14/14 13:51 06/14/14 22:31 1


0.096 0.019 mg/L 06/14/14 13:51 06/14/14 22:31 1RRO (nC25-nC36) 0.051 J B


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o-Terphenyl 65 50 - 150 06/14/14 13:51 06/14/14 22:31 1


n-Triacontane-d62 84 06/14/14 13:51 06/14/14 22:31 150 - 150




Benzene 8.7 1.0 0.14 ug/L 06/18/14 21:35 1


1.0 0.16 ug/L 06/18/14 21:35 1Toluene 0.21 J


2.0 0.13 ug/L 06/18/14 21:35 1m-Xylene & p-Xylene 3.7

1.0 0.12 ug/L 06/18/14 21:35 1o-Xylene 2.9

Toluene-d8 (Surr) 96 85 - 120 06/18/14 21:35 1













0.020 0.0061 ug/L 06/13/14 10:00 06/30/14 21:18 1Fluorene ND




0.020 0.0061 ug/L 06/13/14 10:00 06/30/14 21:18 1Pyrene ND


0.020 0.0061 ug/L 06/13/14 10:00 06/30/14 21:18 1Chrysene ND







Terphenyl-d14 86 64 - 150 06/13/14 10:00 06/30/14 21:18 1




-C6-C10

0.076 0.050 0.015 mg/L 06/19/14 01:28 1



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DRO (nC10-<nC25) 1.3 B Y 0.096 0.012 mg/L 06/14/14 13:51 06/14/14 23:28 1


0.096 0.019 mg/L 06/14/14 13:51 06/14/14 23:28 1RRO (nC25-nC36) 0.23 B Y

o-Terphenyl 75 50 - 150 06/14/14 13:51 06/14/14 23:28 1


n-Triacontane-d62 84 06/14/14 13:51 06/14/14 23:28 150 - 150

Lab Sample ID: 230-151-9Client Sample ID: MWDUP-06-10-2014Matrix: WaterDate Collected: 06/10/14 11:35



Benzene 8.4 1.0 0.14 ug/L 06/18/14 22:02 1


1.0 0.16 ug/L 06/18/14 22:02 1Toluene 0.20 J


2.0 0.13 ug/L 06/18/14 22:02 1m-Xylene & p-Xylene 3.7

1.0 0.12 ug/L 06/18/14 22:02 1o-Xylene 2.8

Toluene-d8 (Surr) 97 85 - 120 06/18/14 22:02 1













0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 21:41 1Fluorene ND




0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 21:41 1Pyrene ND


0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 21:41 1Chrysene ND








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Lab Sample ID: 230-151-9Client Sample ID: MWDUP-06-10-2014Matrix: WaterDate Collected: 06/10/14 11:35


Terphenyl-d14 79 64 - 150 06/13/14 10:00 06/30/14 21:41 1




-C6-C10

0.074 0.050 0.015 mg/L 06/19/14 02:02 1






DRO (nC10-<nC25) 1.3 B Y 0.099 0.012 mg/L 06/14/14 13:51 06/14/14 23:46 1


0.099 0.020 mg/L 06/14/14 13:51 06/14/14 23:46 1RRO (nC25-nC36) 0.24 B Y

o-Terphenyl 68 50 - 150 06/14/14 13:51 06/14/14 23:46 1


n-Triacontane-d62 83 06/14/14 13:51 06/14/14 23:46 150 - 150




Benzene 27 1.0 0.14 ug/L 06/18/14 22:29 1


1.0 0.16 ug/L 06/18/14 22:29 1Toluene 2.0

1.0 0.13 ug/L 06/18/14 22:29 1Ethylbenzene 15

2.0 0.13 ug/L 06/18/14 22:29 1m-Xylene & p-Xylene 39

1.0 0.12 ug/L 06/18/14 22:29 1o-Xylene 8.3

Toluene-d8 (Surr) 97 85 - 120 06/18/14 22:29 1













0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 22:04 1Fluorene ND




0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 22:04 1Pyrene ND



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Chrysene ND 0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 22:04 1








Terphenyl-d14 64 64 - 150 06/13/14 10:00 06/30/14 22:04 1




-C6-C10

0.41 0.050 0.015 mg/L 06/19/14 02:35 1






DRO (nC10-<nC25) 5.9 B Y 0.099 0.012 mg/L 06/14/14 13:51 06/15/14 00:04 1


0.099 0.020 mg/L 06/14/14 13:51 06/15/14 00:04 1RRO (nC25-nC36) 0.98 B Y

o-Terphenyl 82 50 - 150 06/14/14 13:51 06/15/14 00:04 1


n-Triacontane-d62 92 06/14/14 13:51 06/15/14 00:04 150 - 150




Benzene 8.3 1.0 0.14 ug/L 06/18/14 22:55 1


1.0 0.16 ug/L 06/18/14 22:55 1Toluene 0.16 J

1.0 0.13 ug/L 06/18/14 22:55 1Ethylbenzene 0.56 J

2.0 0.13 ug/L 06/18/14 22:55 1m-Xylene & p-Xylene 0.21 J

1.0 0.12 ug/L 06/18/14 22:55 1o-Xylene ND

Toluene-d8 (Surr) 99 85 - 120 06/18/14 22:55 1









0.026 0.0060 ug/L 06/13/14 10:00 06/30/14 22:26 12-Methylnaphthalene 0.18 B


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1-Methylnaphthalene 1.2 0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 22:26 1


0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 22:26 1Acenaphthylene 0.045


0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 22:26 1Fluorene ND




0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 22:26 1Pyrene ND


0.020 0.0060 ug/L 06/13/14 10:00 06/30/14 22:26 1Chrysene ND







Terphenyl-d14 72 64 - 150 06/13/14 10:00 06/30/14 22:26 1




-C6-C10

0.12 0.050 0.015 mg/L 06/19/14 03:09 1






DRO (nC10-<nC25) 14 B Y 0.099 0.012 mg/L 06/14/14 13:51 06/15/14 00:22 1


0.099 0.020 mg/L 06/14/14 13:51 06/15/14 00:22 1RRO (nC25-nC36) 3.3 B Y

o-Terphenyl 85 50 - 150 06/14/14 13:51 06/15/14 00:22 1


n-Triacontane-d62 95 06/14/14 13:51 06/15/14 00:22 150 - 150

Lab Sample ID: 230-151-12Client Sample ID: MWTB-06-10-2014Matrix: WaterDate Collected: 06/10/14 15:00



Benzene ND 1.0 0.14 ug/L 06/18/14 07:05 1


1.0 0.16 ug/L 06/18/14 07:05 1Toluene ND



1.0 0.12 ug/L 06/18/14 07:05 1o-Xylene ND


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Lab Sample ID: 230-151-12Client Sample ID: MWTB-06-10-2014Matrix: WaterDate Collected: 06/10/14 15:00


Toluene-d8 (Surr) 99 85 - 120 06/18/14 07:05 1








-C6-C10

0.021 J 0.050 0.015 mg/L 06/18/14 19:19 1






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Surrogate SummaryTestAmerica Job ID: 230-151-1Client: Ahtna Engineering Services LLC


Method: 8260B - Volatile Organic Compounds (GC/MS)Prep Type: Total/NAMatrix: Water

Lab Sample ID Client Sample ID (85-120) (70-136) (75-120) (85-115) (70-120)

TOL TFT BFB DBFM 12DCE

99 98 102 104 112230-151-1

Percent Surrogate Recovery (Acceptance Limits)

MW10-06-09-2014

96 99 114 112110230-151-2 MW18-06-09-2014

97 96 108 119112230-151-3 MW16-06-09-2014

99 99 108 118111230-151-4 MW11-06-09-2014

96 98 110 119114230-151-5 MW3R-06-09-2014

100 96 104 119109230-151-6 MW17-06-10-2014

103 98 109 121 X109230-151-7 MW8-06-10-2014

96 98 106 108103230-151-8 MW1-06-10-2014

97 98 109 107103230-151-9 MWDUP-06-10-2014

97 97 107 109101230-151-10 MW2-06-10-2014

99 99 110 10499230-151-11 MW6-06-10-2014

99 95 114 120114230-151-12 MWTB-06-10-2014

103 96 122 X 109105LCS 580-161425/4 Lab Control Sample

106 99 112 10496LCS 580-161556/4 Lab Control Sample

100 99 118 108105LCSD 580-161425/5 Lab Control Sample Dup

108 96 108 10196LCSD 580-161556/5 Lab Control Sample Dup

103 99 113 122 X105MB 580-161425/3 Method Blank

103 99 102 11398MB 580-161556/3 Method Blank

Surrogate Legend

TOL = Toluene-d8 (Surr)

TFT = Trifluorotoluene (Surr)

BFB = 4-Bromofluorobenzene (Surr)

DBFM = Dibromofluoromethane (Surr)

12DCE = 1,2-Dichloroethane-d4 (Surr)

Method: 8270C SIM - Semivolatile Organic Compounds (GC/MS SIM)Prep Type: Total/NAMatrix: Water

Lab Sample ID Client Sample ID (64-150)

TPH

81230-151-1


MW10-06-09-2014

80230-151-2 MW18-06-09-2014

84230-151-3 MW16-06-09-2014

80230-151-4 MW11-06-09-2014

89230-151-5 MW3R-06-09-2014

89230-151-6 MW17-06-10-2014

83230-151-7 MW8-06-10-2014

86230-151-8 MW1-06-10-2014

79230-151-9 MWDUP-06-10-2014

64230-151-10 MW2-06-10-2014

72230-151-11 MW6-06-10-2014

86LCS 580-161053/2-A Lab Control Sample

81LCSD 580-161053/3-A Lab Control Sample Dup

74MB 580-161053/1-A Method Blank

Surrogate Legend

TPH = Terphenyl-d14


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Surrogate SummaryTestAmerica Job ID: 230-151-1Client: Ahtna Engineering Services LLC


Method: AK101 - Alaska - Gasoline Range Organics (GC)Prep Type: Total/NAMatrix: Water

Lab Sample ID Client Sample ID (50-150) (50-150)

TFT2 BFB2

116 99230-151-1


MW10-06-09-2014

107 87230-151-2 MW18-06-09-2014

114 98230-151-3 MW16-06-09-2014

113 98230-151-4 MW11-06-09-2014

107 87230-151-5 MW3R-06-09-2014

113 96230-151-6 MW17-06-10-2014

112 96230-151-7 MW8-06-10-2014

113 98230-151-8 MW1-06-10-2014

111 97230-151-9 MWDUP-06-10-2014

113 103230-151-10 MW2-06-10-2014

113 100230-151-11 MW6-06-10-2014

118 96230-151-12 MWTB-06-10-2014

100 103LCS 580-161594/6 Lab Control Sample

100 103LCSD 580-161594/7 Lab Control Sample Dup

106 95MB 580-161594/5 Method Blank

Surrogate Legend

TFT = Trifluorotoluene (Surr)

BFB = 4-Bromofluorobenzene (Surr)

Method: AK102 & 103 - Alaska - Diesel Range Organics & Residual Range Organics (GC)Prep Type: Total/NAMatrix: Water

Lab Sample ID Client Sample ID (50-150) (50-150)

OTPH nTCD62

77 84230-151-1


MW10-06-09-2014

52 68230-151-2 MW18-06-09-2014

68 73230-151-3 MW16-06-09-2014

59 71230-151-4 MW11-06-09-2014

58 74230-151-5 MW3R-06-09-2014

60 79230-151-6 MW17-06-10-2014

65 84230-151-7 MW8-06-10-2014

75 84230-151-8 MW1-06-10-2014

68 83230-151-9 MWDUP-06-10-2014

82 92230-151-10 MW2-06-10-2014

85 95230-151-11 MW6-06-10-2014

94 94580-43929-C-4-B MS Matrix Spike

92 91580-43929-C-4-C MSD Matrix Spike Duplicate

84 80LCS 580-161180/2-A Lab Control Sample

91 93LCSD 580-161180/3-A Lab Control Sample Dup

79 72MB 580-161180/1-A Method Blank

Surrogate Legend

OTPH = o-Terphenyl

nTCD62 = n-Triacontane-d62


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QC Sample ResultsTestAmerica Job ID: 230-151-1Client: Ahtna Engineering Services LLC


Method: 8260B - Volatile Organic Compounds (GC/MS)

Client Sample ID: Method BlankLab Sample ID: MB 580-161425/3

Matrix: Water Prep Type: Total/NA

Analysis Batch: 161425

RL

Benzene ND 1.0 0.14 ug/L 06/18/14 00:51 1

MB MB

Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier

ND 0.161.0 ug/L 06/18/14 00:51 1Toluene

ND 0.131.0 ug/L 06/18/14 00:51 1Ethylbenzene

ND 0.132.0 ug/L 06/18/14 00:51 1m-Xylene & p-Xylene

ND 0.121.0 ug/L 06/18/14 00:51 1o-Xylene

Toluene-d8 (Surr) 103 85 - 120 06/18/14 00:51 1

MB MB

Surrogate Dil FacPrepared AnalyzedQualifier Limits%Recovery

99 06/18/14 00:51 1Trifluorotoluene (Surr) 70 - 136

113 06/18/14 00:51 14-Bromofluorobenzene (Surr) 75 - 120

105 06/18/14 00:51 1Dibromofluoromethane (Surr) 85 - 115

122 X 06/18/14 00:51 11,2-Dichloroethane-d4 (Surr) 70 - 120

Client Sample ID: Lab Control SampleLab Sample ID: LCS 580-161425/4



Benzene 20.0 20.7 ug/L 104 80 - 120

Analyte

LCS LCS

DUnitResult Qualifier %Rec

Spike

Added

%Rec.

Limits

Toluene 20.0 20.9 ug/L 104 75 - 120

Ethylbenzene 20.0 19.1 ug/L 95 75 - 125

m-Xylene & p-Xylene 20.0 19.4 ug/L 97 75 - 130

o-Xylene 20.0 20.0 ug/L 100 80 - 120

Toluene-d8 (Surr) 85 - 120

Surrogate

103

LCS LCS

Qualifier Limits%Recovery

96Trifluorotoluene (Surr) 70 - 136

122 X4-Bromofluorobenzene (Surr) 75 - 120

105Dibromofluoromethane (Surr) 85 - 115

1091,2-Dichloroethane-d4 (Surr) 70 - 120

Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 580-161425/5



Benzene 20.0 20.9 ug/L 105 80 - 120 1 30

Analyte

LCSD LCSD


Spike

Added

%Rec.

Limits LimitRPD

RPD

Toluene 20.0 20.4 ug/L 102 75 - 120 2 30

Ethylbenzene 20.0 18.2 ug/L 91 75 - 125 5 30

m-Xylene & p-Xylene 20.0 18.9 ug/L 94 75 - 130 3 30

o-Xylene 20.0 19.7 ug/L 99 80 - 120 1 30


Surrogate

100

LCSD LCSD



1184-Bromofluorobenzene (Surr) 75 - 120



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Method: 8260B - Volatile Organic Compounds (GC/MS) (Continued)





Surrogate

108

LCSD LCSD





RL

Benzene ND 1.0 0.14 ug/L 06/18/14 12:40 1

MB MB


ND 0.161.0 ug/L 06/18/14 12:40 1Toluene

ND 0.131.0 ug/L 06/18/14 12:40 1Ethylbenzene

ND 0.132.0 ug/L 06/18/14 12:40 1m-Xylene & p-Xylene

ND 0.121.0 ug/L 06/18/14 12:40 1o-Xylene

Toluene-d8 (Surr) 103 85 - 120 06/18/14 12:40 1

MB MB


99 06/18/14 12:40 1Trifluorotoluene (Surr) 70 - 136


98 06/18/14 12:40 1Dibromofluoromethane (Surr) 85 - 115

113 06/18/14 12:40 11,2-Dichloroethane-d4 (Surr) 70 - 120




Benzene 20.0 20.7 ug/L 103 80 - 120

Analyte

LCS LCS


Spike

Added

%Rec.

Limits

Toluene 20.0 22.3 ug/L 112 75 - 120

Ethylbenzene 20.0 21.1 ug/L 106 75 - 125

m-Xylene & p-Xylene 20.0 21.8 ug/L 109 75 - 130

o-Xylene 20.0 21.5 ug/L 107 80 - 120


Surrogate

106

LCS LCS









Benzene 20.0 20.6 ug/L 103 80 - 120 0 30

Analyte

LCSD LCSD


Spike

Added

%Rec.

Limits LimitRPD

RPD

Toluene 20.0 22.7 ug/L 113 75 - 120 2 30

Ethylbenzene 20.0 21.6 ug/L 108 75 - 125 3 30

m-Xylene & p-Xylene 20.0 22.0 ug/L 110 75 - 130 1 30


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Method: 8260B - Volatile Organic Compounds (GC/MS) (Continued)




o-Xylene 20.0 21.8 ug/L 109 80 - 120 1 30

Analyte

LCSD LCSD


Spike

Added

%Rec.

Limits LimitRPD

RPD


Surrogate

108

LCSD LCSD






Method: 8270C SIM - Semivolatile Organic Compounds (GC/MS SIM)

Client Sample ID: Method BlankLab Sample ID: MB 580-161053/1-A


Analysis Batch: 162624 Prep Batch: 161053

RL

Naphthalene 0.00840 J 0.020 0.0072 ug/L 06/13/14 10:00 06/30/14 17:30 1

MB MB


0.00673 J 0.00600.026 ug/L 06/13/14 10:00 06/30/14 17:30 12-Methylnaphthalene

ND 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 11-Methylnaphthalene

ND 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 1Acenaphthylene

ND 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 1Acenaphthene

ND 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 1Fluorene

ND 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 1Phenanthrene

ND 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 1Anthracene

ND 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 1Fluoranthene

ND 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 1Pyrene

0.00718 J 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 1Benzo[a]anthracene

0.0118 J 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 1Chrysene

0.0161 J 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 1Benzo[b]fluoranthene

0.00770 J 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 1Benzo[k]fluoranthene

ND 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 1Benzo[a]pyrene

0.0113 J 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 1Indeno[1,2,3-cd]pyrene

ND 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 1Dibenz(a,h)anthracene

0.00850 J 0.00600.020 ug/L 06/13/14 10:00 06/30/14 17:30 1Benzo[g,h,i]perylene

Terphenyl-d14 74 64 - 150 06/30/14 17:30 1

MB MB

Surrogate

06/13/14 10:00

Dil FacPrepared AnalyzedQualifier Limits%Recovery

Client Sample ID: Lab Control SampleLab Sample ID: LCS 580-161053/2-A



Naphthalene 8.00 6.37 ug/L 80 56 - 125

Analyte

LCS LCS


Spike

Added

%Rec.

Limits

2-Methylnaphthalene 8.00 6.36 ug/L 80 56 - 125


Acenaphthylene 8.00 6.14 ug/L 77 62 - 125


Page 27 of 43 7/1/2014

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Method: 8270C SIM - Semivolatile Organic Compounds (GC/MS SIM) (Continued)




Acenaphthene 8.00 6.53 ug/L 82 63 - 125

Analyte

LCS LCS


Spike

Added

%Rec.

Limits

Fluorene 8.00 7.07 ug/L 88 69 - 125

Phenanthrene 8.00 7.72 ug/L 96 70 - 125

Anthracene 8.00 7.60 ug/L 95 50 - 125

Fluoranthene 8.00 8.13 ug/L 102 70 - 145

Pyrene 8.00 8.53 ug/L 107 70 - 133

Benzo[a]anthracene 8.00 8.54 ug/L 107 65 - 125

Chrysene 8.00 7.87 ug/L 98 70 - 125

Benzo[b]fluoranthene 8.00 9.43 ug/L 118 70 - 129

Benzo[k]fluoranthene 8.00 9.20 ug/L 115 70 - 123

Benzo[a]pyrene 8.00 7.65 ug/L 96 45 - 125

Indeno[1,2,3-cd]pyrene 8.00 9.93 ug/L 124 70 - 136

Dibenz(a,h)anthracene 8.00 10.3 ug/L 129 69 - 154

Benzo[g,h,i]perylene 8.00 8.65 ug/L 108 65 - 153

Terphenyl-d14 64 - 150

Surrogate

86

LCS LCS


Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 580-161053/3-A



Naphthalene 8.00 5.29 ug/L 66 56 - 125 19 20

Analyte

LCSD LCSD


Spike

Added

%Rec.

Limits LimitRPD

RPD

2-Methylnaphthalene 8.00 5.32 ug/L 66 56 - 125 18 20


Acenaphthylene 8.00 5.98 ug/L 75 62 - 125 3 20

Acenaphthene 8.00 5.60 ug/L 70 63 - 125 15 20

Fluorene 8.00 6.05 ug/L 76 69 - 125 15 20

Phenanthrene 8.00 6.68 ug/L 84 70 - 125 14 20

Anthracene 8.00 6.83 ug/L 85 50 - 125 11 20

Fluoranthene 8.00 7.27 ug/L 91 70 - 145 11 20

Pyrene 8.00 7.75 ug/L 97 70 - 133 10 20

Benzo[a]anthracene 8.00 7.77 ug/L 97 65 - 125 9 20

Chrysene 8.00 6.90 ug/L 86 70 - 125 13 20

Benzo[b]fluoranthene 8.00 8.26 ug/L 103 70 - 129 13 20

Benzo[k]fluoranthene 8.00 8.16 ug/L 102 70 - 123 12 20

Benzo[a]pyrene 8.00 8.43 ug/L 105 45 - 125 10 20

Indeno[1,2,3-cd]pyrene 8.00 8.72 ug/L 109 70 - 136 13 20

Dibenz(a,h)anthracene 8.00 8.98 ug/L 112 69 - 154 14 20

Benzo[g,h,i]perylene 8.00 7.82 ug/L 98 65 - 153 10 20


Surrogate

81

LCSD LCSD



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Method: AK101 - Alaska - Gasoline Range Organics (GC)




RL


-C6-C10

ND 0.050 0.015 mg/L 06/18/14 17:37 1

MB MB



MB MB







-C6-C10

1.00 0.964 mg/L 96 60 - 120

Analyte

LCS LCS


Spike

Added

%Rec.

Limits

Trifluorotoluene (Surr) 50 - 150

Surrogate

100

LCS LCS







-C6-C10

1.00 0.948 mg/L 95 60 - 120 2 20

Analyte

LCSD LCSD


Spike

Added

%Rec.

Limits LimitRPD

RPD

Trifluorotoluene (Surr) 50 - 150

Surrogate

100

LCSD LCSD



Method: AK102 & 103 - Alaska - Diesel Range Organics & Residual Range Organics (GC)




RL

DRO (nC10-<nC25) 0.0243 J 0.10 0.012 mg/L 06/14/14 13:51 06/14/14 19:49 1

MB MB


0.0492 J 0.0200.10 mg/L 06/14/14 13:51 06/14/14 19:49 1RRO (nC25-nC36)

o-Terphenyl 79 50 - 150 06/14/14 19:49 1

MB MB

Surrogate

06/14/14 13:51


72 06/14/14 13:51 06/14/14 19:49 1n-Triacontane-d62 50 - 150


Page 29 of 43 7/1/2014

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Method: AK102 & 103 - Alaska - Diesel Range Organics & Residual Range Organics (GC)

(Continued)




DRO (nC10-<nC25) 4.00 3.00 mg/L 75 75 - 125

Analyte

LCS LCS


Spike

Added

%Rec.

Limits

RRO (nC25-nC36) 4.00 3.29 mg/L 82 60 - 120

o-Terphenyl 50 - 150

Surrogate

84

LCS LCS


80n-Triacontane-d62 50 - 150




DRO (nC10-<nC25) 4.00 3.21 mg/L 80 75 - 125 7 20

Analyte

LCSD LCSD


Spike

Added

%Rec.

Limits LimitRPD

RPD

RRO (nC25-nC36) 4.00 3.61 mg/L 90 60 - 120 9 20


Surrogate

91

LCSD LCSD



Client Sample ID: Matrix SpikeLab Sample ID: 580-43929-C-4-B MS



DRO (nC10-<nC25) 1.6 B 3.84 4.95 mg/L 87 75 - 125

Analyte

MS MS


Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

RRO (nC25-nC36) 0.15 B 3.84 3.58 mg/L 89 60 - 120


Surrogate

94

MS MS



Client Sample ID: Matrix Spike DuplicateLab Sample ID: 580-43929-C-4-C MSD



DRO (nC10-<nC25) 1.6 B 3.84 4.77 mg/L 82 75 - 125 4 20

Analyte

MSD MSD


Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits LimitRPD

RPD

RRO (nC25-nC36) 0.15 B 3.84 3.50 mg/L 87 60 - 120 2 20


Surrogate

92

MSD MSD




Page 30 of 43 7/1/2014

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QC Association SummaryTestAmerica Job ID: 230-151-1Client: Ahtna Engineering Services LLC


GC/MS VOA


Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

Water 8260B230-151-2 MW18-06-09-2014 Total/NA



Water 8260B230-151-5 MW3R-06-09-2014 Total/NA



Water 8260B230-151-12 MWTB-06-10-2014 Total/NA

Water 8260BLCS 580-161425/4 Lab Control Sample Total/NA

Water 8260BLCSD 580-161425/5 Lab Control Sample Dup Total/NA

Water 8260BMB 580-161425/3 Method Blank Total/NA





Water 8260B230-151-9 MWDUP-06-10-2014 Total/NA



Water 8260BLCS 580-161556/4 Lab Control Sample Total/NA

Water 8260BLCSD 580-161556/5 Lab Control Sample Dup Total/NA

Water 8260BMB 580-161556/3 Method Blank Total/NA

GC/MS Semi VOA

Prep Batch: 161053


Water 3520C230-151-1 MW10-06-09-2014 Total/NA




Water 3520C230-151-5 MW3R-06-09-2014 Total/NA




Water 3520C230-151-9 MWDUP-06-10-2014 Total/NA



Water 3520CLCS 580-161053/2-A Lab Control Sample Total/NA

Water 3520CLCSD 580-161053/3-A Lab Control Sample Dup Total/NA

Water 3520CMB 580-161053/1-A Method Blank Total/NA



Water 8270C SIM 161053230-151-1 MW10-06-09-2014 Total/NA




Water 8270C SIM 161053230-151-5 MW3R-06-09-2014 Total/NA




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GC/MS Semi VOA (Continued)

Analysis Batch: 162624 (Continued)



Water 8270C SIM 161053230-151-9 MWDUP-06-10-2014 Total/NA



Water 8270C SIM 161053LCS 580-161053/2-A Lab Control Sample Total/NA

Water 8270C SIM 161053LCSD 580-161053/3-A Lab Control Sample Dup Total/NA

Water 8270C SIM 161053MB 580-161053/1-A Method Blank Total/NA

GC VOA



Water AK101230-151-1 MW10-06-09-2014 Total/NA




Water AK101230-151-5 MW3R-06-09-2014 Total/NA




Water AK101230-151-9 MWDUP-06-10-2014 Total/NA



Water AK101230-151-12 MWTB-06-10-2014 Total/NA

Water AK101LCS 580-161594/6 Lab Control Sample Total/NA

Water AK101LCSD 580-161594/7 Lab Control Sample Dup Total/NA

Water AK101MB 580-161594/5 Method Blank Total/NA

GC Semi VOA



Water AK102 & 103 161180230-151-1 MW10-06-09-2014 Total/NA




Water AK102 & 103 161180230-151-5 MW3R-06-09-2014 Total/NA




Water AK102 & 103 161180230-151-9 MWDUP-06-10-2014 Total/NA



Water AK102 & 103 161180580-43929-C-4-B MS Matrix Spike Total/NA

Water AK102 & 103 161180580-43929-C-4-C MSD Matrix Spike Duplicate Total/NA

Water AK102 & 103 161180LCS 580-161180/2-A Lab Control Sample Total/NA

Water AK102 & 103 161180LCSD 580-161180/3-A Lab Control Sample Dup Total/NA

Water AK102 & 103 161180MB 580-161180/1-A Method Blank Total/NA


Page 32 of 43 7/1/2014

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GC Semi VOA (Continued)

Prep Batch: 161180






Water 3510C230-151-5 MW3R-06-09-2014 Total/NA




Water 3510C230-151-9 MWDUP-06-10-2014 Total/NA



Water 3510C580-43929-C-4-B MS Matrix Spike Total/NA

Water 3510C580-43929-C-4-C MSD Matrix Spike Duplicate Total/NA

Water 3510CLCS 580-161180/2-A Lab Control Sample Total/NA

Water 3510CLCSD 580-161180/3-A Lab Control Sample Dup Total/NA

Water 3510CMB 580-161180/1-A Method Blank Total/NA


Page 33 of 43 7/1/2014

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Lab ChronicleClient: Ahtna Engineering Services LLC TestAmerica Job ID: 230-151-1


Client Sample ID: MW10-06-09-2014 Lab Sample ID: 230-151-1Matrix: WaterDate Collected: 06/09/14 12:00


Analysis 8260B 06/18/14 21:09 AS1 161556 TAL SEA

Type

Batch Batch

MethodPrep Type LabAnalystRun

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA

Prep 3520C 161053 06/13/14 10:00 ALL TAL SEATotal/NA

Analysis 8270C SIM 1 162624 06/30/14 18:38 CGM TAL SEATotal/NA

Analysis AK101 1 161594 06/18/14 20:59 CJ TAL SEATotal/NA

Prep 3510C 161180 06/14/14 13:51 EKK TAL SEATotal/NA

Analysis AK102 & 103 1 161173 06/14/14 20:43 JJP TAL SEATotal/NA



Analysis 8260B 06/18/14 02:38 SOC1 161425 TAL SEA

Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA









Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA









Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA







Page 34 of 43 7/1/2014

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Client Sample ID: MW3R-06-09-2014 Lab Sample ID: 230-151-5Matrix: WaterDate Collected: 06/09/14 16:00



Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA









Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA









Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA









Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA







Page 35 of 43 7/1/2014

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Client Sample ID: MWDUP-06-10-2014 Lab Sample ID: 230-151-9Matrix: WaterDate Collected: 06/10/14 11:35



Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA









Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA









Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA






Client Sample ID: MWTB-06-10-2014 Lab Sample ID: 230-151-12Matrix: WaterDate Collected: 06/10/14 15:00



Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA


Laboratory References:

TAL SEA = TestAmerica Seattle, 5755 8th Street East, Tacoma, WA 98424, TEL (253)922-2310


Page 36 of 43 7/1/2014

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Certification SummaryClient: Ahtna Engineering Services LLC TestAmerica Job ID: 230-151-1


Laboratory: TestAmerica AnchorageThe certifications listed below are applicable to this report.

Authority Program EPA Region Certification ID Expiration Date

Alaska AK0097510State Program 06-30-14

Laboratory: TestAmerica SeattleAll certifications held by this laboratory are listed. Not all certifications are applicable to this report.


Alaska (UST) UST-11210State Program 05-27-15

California NELAP 9 01115CA 01-31-14 *

California State Program 9 2901 01-31-15

L-A-B DoD ELAP L2236 01-19-16

L-A-B ISO/IEC 17025 L2236 01-19-16

Montana (UST) State Program 8 N/A 04-30-20

Oregon NELAP 10 WA100007 11-06-14

USDA Federal P330-11-00222 04-08-17

Washington State Program 10 C553 02-17-15


* Certification renewal pending - certification considered valid.

Page 37 of 43 7/1/2014

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Method SummaryTestAmerica Job ID: 230-151-1Client: Ahtna Engineering Services LLC


Method Method Description LaboratoryProtocol

SW8468260B Volatile Organic Compounds (GC/MS) TAL SEA

SW8468270C SIM Semivolatile Organic Compounds (GC/MS SIM) TAL SEA

ADECAK101 Alaska - Gasoline Range Organics (GC) TAL SEA

ADECAK102 & 103 Alaska - Diesel Range Organics & Residual Range Organics (GC) TAL SEA

Protocol References:

ADEC = Alaska Department of Environmental Conservation

SW846 = "Test Methods For Evaluating Solid Waste, Physical/Chemical Methods", Third Edition, November 1986 And Its Updates.




Page 38 of 43 7/1/2014

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Sample SummaryTestAmerica Job ID: 230-151-1Client: Ahtna Engineering Services LLC


Lab Sample ID Client Sample ID ReceivedCollectedMatrix

230-151-1 MW10-06-09-2014 Water 06/09/14 12:00 06/11/14 17:10

230-151-2 MW18-06-09-2014 Water 06/09/14 13:15 06/11/14 17:10

230-151-3 MW16-06-09-2014 Water 06/09/14 14:15 06/11/14 17:10

230-151-4 MW11-06-09-2014 Water 06/09/14 15:15 06/11/14 17:10

230-151-5 MW3R-06-09-2014 Water 06/09/14 16:00 06/11/14 17:10

230-151-6 MW17-06-10-2014 Water 06/10/14 09:30 06/11/14 17:10

230-151-7 MW8-06-10-2014 Water 06/10/14 10:20 06/11/14 17:10

230-151-8 MW1-06-10-2014 Water 06/10/14 11:30 06/11/14 17:10

230-151-9 MWDUP-06-10-2014 Water 06/10/14 11:35 06/11/14 17:10

230-151-10 MW2-06-10-2014 Water 06/10/14 14:15 06/11/14 17:10

230-151-11 MW6-06-10-2014 Water 06/10/14 14:00 06/11/14 17:10

230-151-12 MWTB-06-10-2014 Water 06/10/14 15:00 06/11/14 17:10


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Login Sample Receipt Checklist

Client: Ahtna Engineering Services LLC Job Number: 230-151-1

Login Number: 151

Question Answer Comment

Creator: Pilch, Andrew C

List Source: TestAmerica Anchorage

List Number: 1

TrueRadioactivity wasn't checked or is </= background as measured by a survey

meter.

TrueThe cooler's custody seal, if present, is intact.

TrueSample custody seals, if present, are intact.

TrueThe cooler or samples do not appear to have been compromised or

tampered with.

TrueSamples were received on ice.

TrueCooler Temperature is acceptable.

TrueCooler Temperature is recorded. 0.0 C

TrueCOC is present.

TrueCOC is filled out in ink and legible.

TrueCOC is filled out with all pertinent information.

TrueIs the Field Sampler's name present on COC?

TrueThere are no discrepancies between the containers received and the COC.

TrueSamples are received within Holding Time.

TrueSample containers have legible labels.

TrueContainers are not broken or leaking.

TrueSample collection date/times are provided.

TrueAppropriate sample containers are used.

TrueSample bottles are completely filled.

TrueSample Preservation Verified.

TrueThere is sufficient vol. for all requested analyses, incl. any requested

MS/MSDs

TrueContainers requiring zero headspace have no headspace or bubble is

<6mm (1/4").

TrueMultiphasic samples are not present.

TrueSamples do not require splitting or compositing.

N/AResidual Chlorine Checked.


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Login Number: 151


Creator: Blankinship, Tom X

List Source: TestAmerica Seattle

List Creation: 06/12/14 03:25 PMList Number: 2


meter.




tampered with.



TrueCooler Temperature is recorded. 0.0°C & 0.0°C

TrueCOC is present.











TrueSample Preservation Verified.


MS/MSDs

TrueContainers requiring zero headspace have no headspace or bubble is

<6mm (1/4").





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ANALYTICAL REPORTTestAmerica Laboratories, Inc.TestAmerica Seattle5755 8th Street EastTacoma, WA 98424Tel: (253)922-2310

TestAmerica Job ID: 580-38471-1Client Project/Site: Gustavus Groundwater Sampling

For:Ahtna Engineering Services LLC560 E 34th AvenueSuite 101Anchorage, Alaska 99503

Attn: Monica Oakley

Authorized for release by:6/6/2013 2:07:34 PM

Melissa Armstrong, Project Manager [email protected]

This report has been electronically signed and authorized by the signatory. Electronic signature isintended to be the legally binding equivalent of a traditionally handwritten signature.

Results relate only to the items tested and the sample(s) as received by the laboratory.

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https://secure.testamericainc.com/TotalAccess/login.aspx

http://www.testamericainc.com/AskTheExpert/Expert_index.htm

http://www.testamericainc.com

mailto:[email protected]

Table of Contents

Client: Ahtna Engineering Services LLCProject/Site: Gustavus Groundwater Sampling

TestAmerica Job ID: 580-38471-1

Page 2 of 41TestAmerica Seattle

6/6/2013

Cover Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Case Narrative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Client Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

QC Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Chronicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Certification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Sample Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Chain of Custody . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Receipt Checklists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

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Project/Site: Gustavus Groundwater Sampling

Job ID: 580-38471-1

Laboratory: TestAmerica Anchorage

Narrative

Receipt

Samples were received on 05/15/2013 at 10:29 AM; the samples arrived in good condition, properly preserved and, where required,

on ice.

The temperature of the cooler at receipt was 0.6º C.

AK102/103 DRO/RRO

The method blank used in this batch had a small detection of diesel range organics. All samples showing a detection of diesel

range organics were re-extracted except for AWE0022-01, which was used as the Duplicate source and had no volume available

for reextraction. The diesel hit seen in AWE0022-01 was below the cleanup level of 1.5mg/L. This sample is flagged B for diesel.

The detection in AWE0022-01 should be considered to have a high bias. The sample should be considered to be below the

cleanup level, and if sample volume were available, the detection would likely be absent in the re-extraction, if the sample behaved

similarly to the others in its SDG.

GRO/BTEX by AK 101/8021

No difficulties were encountered.

Laboratory: TestAmerica Seattle

Narrative

Receipt

The samples were received at TestAmerica Seattle on 5/15/2013 2:50 PM; the samples arrived in good condition, properly preserved and,

where required, on ice. The temperatures of the 2 coolers at receipt time were 3.5º C and 3.8º C.

The samples were received at TestAmerica Anchorage on 5/15/2013 10:29 AM; the samples arrived in good condition, properly preserved

and, where required, on ice. The temperatures of the 2 coolers at receipt time were 3.5º C and 3.8º C.

GC/MS Semi VOA - Method(s) 8270C SIM

The method blank for prep batch 135815 contained Pyrene, Fluoranthene and Phenanthrene above the method detection limit. These

target analyte concentrations were less than the reporting limit (RL); therefore, re-extraction and/or re-analysis of samples was not

performed. The values should be considered as estimates, and have been “J” qualified. The associated sample results have been “B”

qualified.

No other analytical or quality issues were noted.

Organic Prep

No analytical or quality issues were noted.

TestAmerica SeattlePage 3 of 41 6/6/2013

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Definitions/GlossaryTestAmerica Job ID: 580-38471-1Client: Ahtna Engineering Services LLC


Qualifiers

GC/MS Semi VOA



Qualifier


Fuels


B Analyte was detected in the associated Method Blank.

Qualifier

CF6 Results confirmed by reanalysis.

Q11 Detected hydrocarbons in the diesel range do not have a distinct diesel pattern and may be due to heavily weathered diesel.

Q4 The hydrocarbons present are a complex mixture of diesel range and heavy oil range organics.

B-19 Analyte was detected in the associated method blank at a concentration greater than or equal to the MRL. Sample results for this analyte

are below the laboratory MRL. Results are not affected.

Glossary

These commonly used abbreviations may or may not be present in this report.

¤ Listed under the "D" column to designate that the result is reported on a dry weight basis

Abbreviation

%R Percent Recovery

CNF Contains no Free Liquid

DER Duplicate error ratio (normalized absolute difference)

DL, RA, RE, IN Indicates a Dilution, Re-analysis, Re-extraction, or additional Initial metals/anion analysis of the sample

DLC Decision level concentration

MDA Minimum detectable activity

EDL Estimated Detection Limit

MDC Minimum detectable concentration

MDL Method Detection Limit

ML Minimum Level (Dioxin)

ND Not detected at the reporting limit (or MDL or EDL if shown)

PQL Practical Quantitation Limit

QC Quality Control

RER Relative error ratio

RL Reporting Limit or Requested Limit (Radiochemistry)

RPD Relative Percent Difference, a measure of the relative difference between two points

TEF Toxicity Equivalent Factor (Dioxin)

TEQ Toxicity Equivalent Quotient (Dioxin)

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Method: 8270C SIM - Semivolatile Organic Compounds (GC/MS SIM)LOQ DL

Naphthalene ND 0.019 0.0069 ug/L 05/16/13 12:02 05/20/13 15:39 1






0.019 0.0058 ug/L 05/16/13 12:02 05/20/13 15:39 1Fluorene ND

0.019 0.0058 ug/L 05/16/13 12:02 05/20/13 15:39 1Phenanthrene 0.0078 J B


0.019 0.0058 ug/L 05/16/13 12:02 05/20/13 15:39 1Fluoranthene 0.0074 J B

0.019 0.0058 ug/L 05/16/13 12:02 05/20/13 15:39 1Pyrene 0.0089 J B

0.019 0.0058 ug/L 05/16/13 12:02 05/20/13 15:39 1Benzo[a]anthracene 0.0073 J

0.019 0.0058 ug/L 05/16/13 12:02 05/20/13 15:39 1Chrysene 0.0083 J

0.019 0.0058 ug/L 05/16/13 12:02 05/20/13 15:39 1Benzo[b]fluoranthene 0.0069 J

0.019 0.0058 ug/L 05/16/13 12:02 05/20/13 15:39 1Benzo[k]fluoranthene 0.0068 J


0.019 0.0058 ug/L 05/16/13 12:02 05/20/13 15:39 1Indeno[1,2,3-cd]pyrene 0.0085 J


0.019 0.0058 ug/L 05/16/13 12:02 05/20/13 15:39 1Benzo[g,h,i]perylene 0.0069 J

Terphenyl-d14 77 20 - 150 05/16/13 12:02 05/20/13 15:39 1


Method: AK102/103 - Diesel Range Organics (C10-C25) and Residual Range Organics (C25-C36) per AK102/RRORL MDL

Diesel Range Organics 0.472 B 0.407 mg/l 05/15/13 11:54 05/15/13 15:28 1.00


0.407 mg/l 05/15/13 11:54 05/15/13 15:28 1.00Residual Range Organics ND

1-Chlorooctadecane 88.6 50 - 150 05/15/13 11:54 05/15/13 15:28 1.00


Triacontane 93.5 05/15/13 11:54 05/15/13 15:28 1.0050 - 150

Method: AK101/EPA 8021B - Gasoline Range Organics (C6-C10) and BTEX per AK101RL MDL

Gasoline Range Organics ND 50.0 ug/l 05/15/13 11:31 05/15/13 23:54 1.00


0.500 ug/l 05/15/13 11:31 05/15/13 23:54 1.00Benzene ND

0.500 ug/l 05/15/13 11:31 05/15/13 23:54 1.00Toluene ND

0.500 ug/l 05/15/13 11:31 05/15/13 23:54 1.00Ethylbenzene ND

1.50 ug/l 05/15/13 11:31 05/15/13 23:54 1.00Xylenes (total) ND

4-BFB (FID) 83.2 50 - 150 05/15/13 11:31 05/15/13 23:54 1.00


4-BFB (PID) 95.4 05/15/13 11:31 05/15/13 23:54 1.0050 - 150

a,a,a-TFT (FID) 101 05/15/13 11:31 05/15/13 23:54 1.0050 - 150

a,a,a-TFT (PID) 100 05/15/13 11:31 05/15/13 23:54 1.0050 - 150

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0.020 0.0059 ug/L 05/16/13 12:02 05/20/13 16:02 1Fluorene ND




0.020 0.0059 ug/L 05/16/13 12:02 05/20/13 16:02 1Pyrene ND


0.020 0.0059 ug/L 05/16/13 12:02 05/20/13 16:02 1Chrysene ND







Terphenyl-d14 74 20 - 150 05/16/13 12:02 05/20/13 16:02 1


Method: AK102/103 - Diesel Range Organics (C10-C25) and Residual Range Organics (C25-C36) per AK102/RRO - RE1RL MDL

Diesel Range Organics ND 0.397 mg/l 05/20/13 08:04 05/20/13 17:01 1.00





Triacontane 91.1 05/20/13 08:04 05/20/13 17:01 1.0050 - 150




0.500 ug/l 05/15/13 11:31 05/16/13 00:21 1.00Benzene ND

0.500 ug/l 05/15/13 11:31 05/16/13 00:21 1.00Toluene ND



4-BFB (FID) 78.7 50 - 150 05/15/13 11:31 05/16/13 00:21 1.00


4-BFB (PID) 90.4 05/15/13 11:31 05/16/13 00:21 1.0050 - 150

a,a,a-TFT (FID) 98.5 05/15/13 11:31 05/16/13 00:21 1.0050 - 150

a,a,a-TFT (PID) 98.5 05/15/13 11:31 05/16/13 00:21 1.0050 - 150

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0.019 0.0058 ug/L 05/16/13 12:02 05/20/13 20:58 1Fluorene ND




0.019 0.0058 ug/L 05/16/13 12:02 05/20/13 20:58 1Pyrene ND


0.019 0.0058 ug/L 05/16/13 12:02 05/20/13 20:58 1Chrysene ND







Terphenyl-d14 72 20 - 150 05/16/13 12:02 05/20/13 20:58 1








Triacontane 90.6 05/20/13 08:04 05/20/13 16:29 1.0050 - 150




0.500 ug/l 05/15/13 11:31 05/16/13 00:48 1.00Benzene ND

0.500 ug/l 05/15/13 11:31 05/16/13 00:48 1.00Toluene ND



4-BFB (FID) 79.6 50 - 150 05/15/13 11:31 05/16/13 00:48 1.00


4-BFB (PID) 91.6 05/15/13 11:31 05/16/13 00:48 1.0050 - 150

a,a,a-TFT (FID) 101 05/15/13 11:31 05/16/13 00:48 1.0050 - 150

a,a,a-TFT (PID) 101 05/15/13 11:31 05/16/13 00:48 1.0050 - 150

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0.019 0.0057 ug/L 05/16/13 12:02 05/20/13 21:21 1Fluorene ND




0.019 0.0057 ug/L 05/16/13 12:02 05/20/13 21:21 1Pyrene ND


0.019 0.0057 ug/L 05/16/13 12:02 05/20/13 21:21 1Chrysene ND







Terphenyl-d14 81 20 - 150 05/16/13 12:02 05/20/13 21:21 1








Triacontane 89.2 05/20/13 08:04 05/20/13 17:33 1.0050 - 150




0.500 ug/l 05/15/13 11:31 05/16/13 01:15 1.00Benzene ND

0.500 ug/l 05/15/13 11:31 05/16/13 01:15 1.00Toluene ND



4-BFB (FID) 77.0 50 - 150 05/15/13 11:31 05/16/13 01:15 1.00


4-BFB (PID) 88.5 05/15/13 11:31 05/16/13 01:15 1.0050 - 150

a,a,a-TFT (FID) 97.6 05/15/13 11:31 05/16/13 01:15 1.0050 - 150

a,a,a-TFT (PID) 97.6 05/15/13 11:31 05/16/13 01:15 1.0050 - 150

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0.020 0.0059 ug/L 05/16/13 12:02 05/20/13 21:43 1Fluorene ND




0.020 0.0059 ug/L 05/16/13 12:02 05/20/13 21:43 1Pyrene ND


0.020 0.0059 ug/L 05/16/13 12:02 05/20/13 21:43 1Chrysene ND







Terphenyl-d14 82 20 - 150 05/16/13 12:02 05/20/13 21:43 1



Diesel Range Organics ND B-19 0.385 mg/l 05/15/13 11:54 05/15/13 17:05 1.00





Triacontane 98.2 05/15/13 11:54 05/15/13 17:05 1.0050 - 150




0.500 ug/l 05/15/13 11:31 05/16/13 01:42 1.00Benzene ND

0.500 ug/l 05/15/13 11:31 05/16/13 01:42 1.00Toluene ND



4-BFB (FID) 75.4 50 - 150 05/15/13 11:31 05/16/13 01:42 1.00


4-BFB (PID) 87.2 05/15/13 11:31 05/16/13 01:42 1.0050 - 150

a,a,a-TFT (FID) 96.4 05/15/13 11:31 05/16/13 01:42 1.0050 - 150

a,a,a-TFT (PID) 96.4 05/15/13 11:31 05/16/13 01:42 1.0050 - 150

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0.019 0.0057 ug/L 05/16/13 12:02 05/20/13 22:06 1Fluorene ND




0.019 0.0057 ug/L 05/16/13 12:02 05/20/13 22:06 1Pyrene ND


0.019 0.0057 ug/L 05/16/13 12:02 05/20/13 22:06 1Chrysene ND







Terphenyl-d14 84 20 - 150 05/16/13 12:02 05/20/13 22:06 1






1-Chlorooctadecane 104 50 - 150 05/15/13 11:54 05/15/13 17:05 1.00


Triacontane 100 05/15/13 11:54 05/15/13 17:05 1.0050 - 150




0.500 ug/l 05/15/13 11:31 05/16/13 02:09 1.00Benzene ND

0.500 ug/l 05/15/13 11:31 05/16/13 02:09 1.00Toluene ND



4-BFB (FID) 76.9 50 - 150 05/15/13 11:31 05/16/13 02:09 1.00


4-BFB (PID) 88.8 05/15/13 11:31 05/16/13 02:09 1.0050 - 150

a,a,a-TFT (FID) 97.4 05/15/13 11:31 05/16/13 02:09 1.0050 - 150

a,a,a-TFT (PID) 97.6 05/15/13 11:31 05/16/13 02:09 1.0050 - 150

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0.019 0.0057 ug/L 05/16/13 12:02 05/20/13 22:29 1Fluorene ND




0.019 0.0057 ug/L 05/16/13 12:02 05/20/13 22:29 1Pyrene ND


0.019 0.0057 ug/L 05/16/13 12:02 05/20/13 22:29 1Chrysene ND







Terphenyl-d14 74 20 - 150 05/16/13 12:02 05/20/13 22:29 1








Triacontane 101 05/15/13 11:54 05/15/13 17:37 1.0050 - 150




0.500 ug/l 05/15/13 11:31 05/16/13 02:35 1.00Benzene ND

0.500 ug/l 05/15/13 11:31 05/16/13 02:35 1.00Toluene ND



4-BFB (FID) 76.1 50 - 150 05/15/13 11:31 05/16/13 02:35 1.00


4-BFB (PID) 87.8 05/15/13 11:31 05/16/13 02:35 1.0050 - 150

a,a,a-TFT (FID) 94.6 05/15/13 11:31 05/16/13 02:35 1.0050 - 150

a,a,a-TFT (PID) 94.6 05/15/13 11:31 05/16/13 02:35 1.0050 - 150

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Naphthalene 1.2 0.20 0.071 ug/L 05/16/13 12:02 05/21/13 16:53 10


0.26 0.059 ug/L 05/16/13 12:02 05/21/13 16:53 102-Methylnaphthalene 0.092 J




0.20 0.059 ug/L 05/16/13 12:02 05/21/13 16:53 10Fluorene ND




0.20 0.059 ug/L 05/16/13 12:02 05/21/13 16:53 10Pyrene ND


0.20 0.059 ug/L 05/16/13 12:02 05/21/13 16:53 10Chrysene ND







Terphenyl-d14 83 20 - 150 05/16/13 12:02 05/21/13 16:53 10



Diesel Range Organics 11.4 Q4 0.417 mg/l 05/20/13 08:04 05/20/13 17:33 1.00


0.417 mg/l 05/20/13 08:04 05/20/13 17:33 1.00Residual Range Organics 2.37 Q4



Triacontane 94.6 05/20/13 08:04 05/20/13 17:33 1.0050 - 150


Gasoline Range Organics 175 50.0 ug/l 05/16/13 08:55 05/16/13 13:39 1.00


0.500 ug/l 05/16/13 08:55 05/16/13 13:39 1.00Benzene 6.01

0.500 ug/l 05/16/13 08:55 05/16/13 13:39 1.00Toluene ND

0.500 ug/l 05/16/13 08:55 05/16/13 13:39 1.00Ethylbenzene 2.74

1.50 ug/l 05/16/13 08:55 05/16/13 13:39 1.00Xylenes (total) 32.8

4-BFB (FID) 81.4 50 - 150 05/16/13 08:55 05/16/13 13:39 1.00


4-BFB (PID) 93.1 05/16/13 08:55 05/16/13 13:39 1.0050 - 150

a,a,a-TFT (FID) 101 05/16/13 08:55 05/16/13 13:39 1.0050 - 150

a,a,a-TFT (PID) 101 05/16/13 08:55 05/16/13 13:39 1.0050 - 150

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0.019 0.0058 ug/L 05/16/13 12:02 05/21/13 17:16 1Fluorene 0.0080 J


0.019 0.0058 ug/L 05/16/13 12:02 05/21/13 17:16 1Anthracene 0.030


0.019 0.0058 ug/L 05/16/13 12:02 05/21/13 17:16 1Pyrene 0.0071 J B


0.019 0.0058 ug/L 05/16/13 12:02 05/21/13 17:16 1Chrysene ND







Terphenyl-d14 88 20 - 150 05/16/13 12:02 05/21/13 17:16 1








Triacontane 88.7 05/20/13 08:04 05/20/13 17:01 1.0050 - 150




0.500 ug/l 05/16/13 08:55 05/16/13 12:18 1.00Benzene 1.04

0.500 ug/l 05/16/13 08:55 05/16/13 12:18 1.00Toluene 1.01

0.500 ug/l 05/16/13 08:55 05/16/13 12:18 1.00Ethylbenzene 0.957

1.50 ug/l 05/16/13 08:55 05/16/13 12:18 1.00Xylenes (total) 7.98

4-BFB (FID) 87.4 50 - 150 05/16/13 08:55 05/16/13 12:18 1.00


4-BFB (PID) 101 05/16/13 08:55 05/16/13 12:18 1.0050 - 150

a,a,a-TFT (FID) 110 05/16/13 08:55 05/16/13 12:18 1.0050 - 150

a,a,a-TFT (PID) 109 05/16/13 08:55 05/16/13 12:18 1.0050 - 150

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0.019 0.0057 ug/L 05/16/13 12:02 05/21/13 17:39 1Acenaphthene 0.022

0.019 0.0057 ug/L 05/16/13 12:02 05/21/13 17:39 1Fluorene 0.033




0.019 0.0057 ug/L 05/16/13 12:02 05/21/13 17:39 1Pyrene ND


0.019 0.0057 ug/L 05/16/13 12:02 05/21/13 17:39 1Chrysene ND







Terphenyl-d14 79 20 - 150 05/16/13 12:02 05/21/13 17:39 1



Diesel Range Organics 0.461 Q11 CF6 0.385 mg/l 05/20/13 08:04 05/20/13 18:05 1.00





Triacontane 98.2 05/20/13 08:04 05/20/13 18:05 1.0050 - 150




0.500 ug/l 05/16/13 08:55 05/16/13 13:12 1.00Benzene ND

0.500 ug/l 05/16/13 08:55 05/16/13 13:12 1.00Toluene ND



4-BFB (FID) 80.6 50 - 150 05/16/13 08:55 05/16/13 13:12 1.00


4-BFB (PID) 92.4 05/16/13 08:55 05/16/13 13:12 1.0050 - 150

a,a,a-TFT (FID) 102 05/16/13 08:55 05/16/13 13:12 1.0050 - 150

a,a,a-TFT (PID) 102 05/16/13 08:55 05/16/13 13:12 1.0050 - 150

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0.019 0.0057 ug/L 05/16/13 12:02 05/21/13 18:01 1Acenaphthene 0.0082 J

0.019 0.0057 ug/L 05/16/13 12:02 05/21/13 18:01 1Fluorene ND




0.019 0.0057 ug/L 05/16/13 12:02 05/21/13 18:01 1Pyrene ND


0.019 0.0057 ug/L 05/16/13 12:02 05/21/13 18:01 1Chrysene ND







Terphenyl-d14 81 20 - 150 05/16/13 12:02 05/21/13 18:01 1








Triacontane 94.9 05/20/13 08:04 05/20/13 18:05 1.0050 - 150




0.500 ug/l 05/16/13 08:55 05/16/13 12:45 1.00Benzene ND

0.500 ug/l 05/16/13 08:55 05/16/13 12:45 1.00Toluene ND



4-BFB (FID) 80.7 50 - 150 05/16/13 08:55 05/16/13 12:45 1.00


4-BFB (PID) 93.5 05/16/13 08:55 05/16/13 12:45 1.0050 - 150

a,a,a-TFT (FID) 106 05/16/13 08:55 05/16/13 12:45 1.0050 - 150

a,a,a-TFT (PID) 105 05/16/13 08:55 05/16/13 12:45 1.0050 - 150

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Lab Sample ID: 580-38471-12Client Sample ID: Trip BlankMatrix: WaterDate Collected: 05/09/13 00:00





0.500 ug/l 05/16/13 08:55 05/16/13 11:51 1.00Benzene ND

0.500 ug/l 05/16/13 08:55 05/16/13 11:51 1.00Toluene ND



4-BFB (FID) 89.5 50 - 150 05/16/13 08:55 05/16/13 11:51 1.00


4-BFB (PID) 103 05/16/13 08:55 05/16/13 11:51 1.0050 - 150

a,a,a-TFT (FID) 124 05/16/13 08:55 05/16/13 11:51 1.0050 - 150

a,a,a-TFT (PID) 123 05/16/13 08:55 05/16/13 11:51 1.0050 - 150

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Method: 8270C SIM - Semivolatile Organic Compounds (GC/MS SIM)




LOQ DL


MB MB




ND 0.00600.020 ug/L 05/16/13 12:02 05/20/13 14:31 1Acenaphthylene

ND 0.00600.020 ug/L 05/16/13 12:02 05/20/13 14:31 1Acenaphthene

ND 0.00600.020 ug/L 05/16/13 12:02 05/20/13 14:31 1Fluorene

0.00804 J 0.00600.020 ug/L 05/16/13 12:02 05/20/13 14:31 1Phenanthrene

ND 0.00600.020 ug/L 05/16/13 12:02 05/20/13 14:31 1Anthracene

0.00677 J 0.00600.020 ug/L 05/16/13 12:02 05/20/13 14:31 1Fluoranthene

0.00867 J 0.00600.020 ug/L 05/16/13 12:02 05/20/13 14:31 1Pyrene

ND 0.00600.020 ug/L 05/16/13 12:02 05/20/13 14:31 1Benzo[a]anthracene

ND 0.00600.020 ug/L 05/16/13 12:02 05/20/13 14:31 1Chrysene

ND 0.00600.020 ug/L 05/16/13 12:02 05/20/13 14:31 1Benzo[b]fluoranthene

ND 0.00600.020 ug/L 05/16/13 12:02 05/20/13 14:31 1Benzo[k]fluoranthene

ND 0.00600.020 ug/L 05/16/13 12:02 05/20/13 14:31 1Benzo[a]pyrene

ND 0.00600.020 ug/L 05/16/13 12:02 05/20/13 14:31 1Indeno[1,2,3-cd]pyrene

ND 0.00600.020 ug/L 05/16/13 12:02 05/20/13 14:31 1Dibenz(a,h)anthracene

ND 0.00600.020 ug/L 05/16/13 12:02 05/20/13 14:31 1Benzo[g,h,i]perylene

Terphenyl-d14 77 20 - 150 05/20/13 14:31 1

MB MB

Surrogate

05/16/13 12:02





Naphthalene 2.01 1.39 ug/L 69 60 - 125

Analyte

LCS LCS


Spike

Added

%Rec.

Limits



Acenaphthylene 2.00 1.55 ug/L 78 65 - 125

Acenaphthene 2.00 1.51 ug/L 76 65 - 125

Fluorene 2.02 1.67 ug/L 83 70 - 125

Phenanthrene 2.01 1.68 ug/L 83 75 - 125

Anthracene 2.00 1.44 ug/L 72 50 - 125

Fluoranthene 2.00 1.71 ug/L 85 70 - 125

Pyrene 2.00 1.62 ug/L 81 70 - 125

Benzo[a]anthracene 2.00 1.63 ug/L 81 65 - 125

Chrysene 1.93 1.82 ug/L 94 70 - 125

Benzo[b]fluoranthene 2.00 1.84 ug/L 92 70 - 125

Benzo[k]fluoranthene 2.00 1.89 ug/L 95 70 - 125

Benzo[a]pyrene 2.00 1.29 ug/L 65 45 - 125

Indeno[1,2,3-cd]pyrene 2.01 1.91 ug/L 95 75 - 125

Dibenz(a,h)anthracene 2.00 1.75 ug/L 88 75 - 130

Benzo[g,h,i]perylene 2.00 1.87 ug/L 93 75 - 125

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Method: 8270C SIM - Semivolatile Organic Compounds (GC/MS SIM) (Continued)





Surrogate

76

LCS LCS





Naphthalene 2.01 1.34 ug/L 66 60 - 125 4 20

Analyte

LCSD LCSD


Spike

Added

%Rec.

Limits LimitRPD

RPD



Acenaphthylene 2.00 1.46 ug/L 73 65 - 125 6 20

Acenaphthene 2.00 1.45 ug/L 73 65 - 125 4 20

Fluorene 2.02 1.60 ug/L 79 70 - 125 4 20

Phenanthrene 2.01 1.67 ug/L 83 75 - 125 0 20

Anthracene 2.00 1.44 ug/L 72 50 - 125 0 20

Fluoranthene 2.00 1.72 ug/L 86 70 - 125 1 20

Pyrene 2.00 1.65 ug/L 83 70 - 125 2 20

Benzo[a]anthracene 2.00 1.67 ug/L 83 65 - 125 2 20

Chrysene 1.93 1.82 ug/L 95 70 - 125 0 20

Benzo[b]fluoranthene 2.00 1.87 ug/L 94 70 - 125 2 20

Benzo[k]fluoranthene 2.00 1.91 ug/L 96 70 - 125 1 20

Benzo[a]pyrene 2.00 1.21 ug/L 60 45 - 125 7 20

Indeno[1,2,3-cd]pyrene 2.01 1.84 ug/L 92 75 - 125 3 20

Dibenz(a,h)anthracene 2.00 1.80 ug/L 90 75 - 130 3 20

Benzo[g,h,i]perylene 2.00 1.83 ug/L 91 75 - 125 2 20


Surrogate

78

LCSD LCSD


Method: AK102/103 - Diesel Range Organics (C10-C25) and Residual Range Organics (C25-C36)

per AK102/RRO

Client Sample ID: Method BlankLab Sample ID: 13E0027-BLK1

Matrix: Water Prep Type: Total

Analysis Batch: W000238 Prep Batch: 13E0027_P

RL MDL

Diesel Range Organics 0.793 B 0.500 mg/l 05/15/13 11:54 05/15/13 14:56 1.00

Blank Blank


ND 0.500 mg/l 05/15/13 11:54 05/15/13 14:56 1.00Residual Range Organics

1-Chlorooctadecane 99.7 50 - 150 05/15/13 14:56 1.00

Blank Blank

Surrogate

05/15/13 11:54


104 05/15/13 11:54 05/15/13 14:56 1.00Triacontane 50 - 150

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per AK102/RRO (Continued)

Client Sample ID: Lab Control SampleLab Sample ID: 13E0027-BS1



Diesel Range Organics 10.1 10.4 mg/l 103 75 - 125

Analyte

LCS LCS


Spike

Added

%Rec.

Limits

Residual Range Organics 10.2 10.1 mg/l 98.8 60 - 120

1-Chlorooctadecane 60 - 120

Surrogate

110

LCS LCS


109Triacontane 60 - 120

Client Sample ID: Lab Control Sample DupLab Sample ID: 13E0027-BSD1



Diesel Range Organics 10.1 10.2 mg/l 101 75 - 125 1.27 20

Analyte

LCS Dup LCS Dup


Spike

Added

%Rec.

Limits LimitRPD

RPD

Residual Range Organics 10.2 9.72 mg/l 95.3 60 - 120 3.60 20


Surrogate

106

LCS Dup LCS Dup



Client Sample ID: MW8-05-13-2013 (580-38471-1)Lab Sample ID: 13E0027-DUP1



Diesel Range Organics 0.472 B 0.496 B mg/l 5.10 20

Analyte

Duplicate Duplicate

DUnitResult Qualifier

Sample

Result

Sample

Qualifier LimitRPD

RPD

Residual Range Organics 0.246 0.237 mg/l 3.68 20


Surrogate

84.3

Duplicate Duplicate


96.7Triacontane 50 - 150




RL MDL


Blank Blank


ND 0.500 mg/l 05/20/13 08:04 05/20/13 13:15 1.00Residual Range Organics

1-Chlorooctadecane 70.7 50 - 150 05/20/13 13:15 1.00

Blank Blank

Surrogate

05/20/13 08:04


76.2 05/20/13 08:04 05/20/13 13:15 1.00Triacontane 50 - 150

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per AK102/RRO (Continued)




Diesel Range Organics 10.1 7.92 mg/l 78.4 75 - 125

Analyte

LCS LCS


Spike

Added

%Rec.

Limits

Residual Range Organics 10.2 9.02 mg/l 88.4 60 - 120


Surrogate

95.3

LCS LCS






Diesel Range Organics 10.1 8.54 mg/l 84.5 75 - 125 7.55 20

Analyte

LCS Dup LCS Dup


Spike

Added

%Rec.

Limits LimitRPD

RPD

Residual Range Organics 10.2 9.51 mg/l 93.2 60 - 120 5.28 20


Surrogate

104

LCS Dup LCS Dup



Method: AK101/EPA 8021B - Gasoline Range Organics (C6-C10) and BTEX per AK101




RL MDL


Blank Blank


ND 0.500 ug/l 05/15/13 09:06 05/15/13 11:39 1.00Benzene

ND 0.500 ug/l 05/15/13 09:06 05/15/13 11:39 1.00Toluene

ND 0.500 ug/l 05/15/13 09:06 05/15/13 11:39 1.00Ethylbenzene

ND 1.50 ug/l 05/15/13 09:06 05/15/13 11:39 1.00Xylenes (total)

4-BFB (FID) 74.6 50 - 150 05/15/13 11:39 1.00

Blank Blank

Surrogate

05/15/13 09:06


82.9 05/15/13 09:06 05/15/13 11:39 1.004-BFB (PID) 50 - 150

90.5 05/15/13 09:06 05/15/13 11:39 1.00a,a,a-TFT (FID) 50 - 150

88.6 05/15/13 09:06 05/15/13 11:39 1.00a,a,a-TFT (PID) 50 - 150




Benzene 20.0 20.3 ug/l 102 70 - 130

Analyte

LCS LCS


Spike

Added

%Rec.

Limits

Toluene 20.0 19.9 ug/l 99.5 70 - 130

Ethylbenzene 20.0 19.1 ug/l 95.3 70 - 130

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Method: AK101/EPA 8021B - Gasoline Range Organics (C6-C10) and BTEX per AK101 (Continued)




Xylenes (total) 60.0 56.1 ug/l 93.6 70 - 130

Analyte

LCS LCS


Spike

Added

%Rec.

Limits

4-BFB (PID) 60 - 120

Surrogate

79.5

LCS LCS


87.2a,a,a-TFT (PID) 60 - 120




Gasoline Range Organics 500 426 ug/l 85.2 60 - 120

Analyte

LCS LCS


Spike

Added

%Rec.

Limits

4-BFB (FID) 60 - 120

Surrogate

74.7

LCS LCS


102a,a,a-TFT (FID) 60 - 120




Benzene 20.0 17.8 ug/l 88.8 70 - 130 13.5 20

Analyte

LCS Dup LCS Dup


Spike

Added

%Rec.

Limits LimitRPD

RPD

Toluene 20.0 17.2 ug/l 86.1 70 - 130 14.5 20

Ethylbenzene 20.0 16.6 ug/l 83.2 70 - 130 13.5 20

Xylenes (total) 60.0 50.7 ug/l 84.5 70 - 130 10.2 20

4-BFB (PID) 60 - 120

Surrogate

84.3

LCS Dup LCS Dup


88.3a,a,a-TFT (PID) 60 - 120




Gasoline Range Organics 500 446 ug/l 89.2 60 - 120 4.58 20

Analyte

LCS Dup LCS Dup


Spike

Added

%Rec.

Limits LimitRPD

RPD

4-BFB (FID) 60 - 120

Surrogate

73.4

LCS Dup LCS Dup


103a,a,a-TFT (FID) 60 - 120

TestAmerica Seattle

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Client Sample ID: DuplicateLab Sample ID: 13E0025-DUP1



Gasoline Range Organics ND ND ug/l 20

Analyte

Duplicate Duplicate


Sample

Result

Sample

Qualifier LimitRPD

RPD

Benzene ND ND ug/l 20

Toluene ND ND ug/l 20

Ethylbenzene ND ND ug/l 20

Xylenes (total) ND ND ug/l 20

4-BFB (FID) 50 - 150

Surrogate

95.8

Duplicate Duplicate


1074-BFB (PID) 50 - 150

120a,a,a-TFT (FID) 50 - 150

117a,a,a-TFT (PID) 50 - 150




RL MDL


Blank Blank


ND 0.500 ug/l 05/16/13 08:55 05/16/13 11:25 1.00Benzene

ND 0.500 ug/l 05/16/13 08:55 05/16/13 11:25 1.00Toluene

ND 0.500 ug/l 05/16/13 08:55 05/16/13 11:25 1.00Ethylbenzene

ND 1.50 ug/l 05/16/13 08:55 05/16/13 11:25 1.00Xylenes (total)

4-BFB (FID) 76.2 50 - 150 05/16/13 11:25 1.00

Blank Blank

Surrogate

05/16/13 08:55


88.1 05/16/13 08:55 05/16/13 11:25 1.004-BFB (PID) 50 - 150

101 05/16/13 08:55 05/16/13 11:25 1.00a,a,a-TFT (FID) 50 - 150

100 05/16/13 08:55 05/16/13 11:25 1.00a,a,a-TFT (PID) 50 - 150




Benzene 20.0 21.5 ug/l 107 70 - 130

Analyte

LCS LCS


Spike

Added

%Rec.

Limits

Toluene 20.0 20.9 ug/l 105 70 - 130

Ethylbenzene 20.0 19.9 ug/l 99.4 70 - 130

Xylenes (total) 60.0 60.1 ug/l 100 70 - 130

4-BFB (PID) 60 - 120

Surrogate

89.4

LCS LCS


102a,a,a-TFT (PID) 60 - 120

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Gasoline Range Organics 500 487 ug/l 97.5 60 - 120

Analyte

LCS LCS


Spike

Added

%Rec.

Limits

4-BFB (FID) 60 - 120

Surrogate

81.6

LCS LCS


117a,a,a-TFT (FID) 60 - 120




Benzene 20.0 22.6 ug/l 113 70 - 130 4.97 20

Analyte

LCS Dup LCS Dup


Spike

Added

%Rec.

Limits LimitRPD

RPD

Toluene 20.0 21.9 ug/l 109 70 - 130 4.62 20

Ethylbenzene 20.0 21.0 ug/l 105 70 - 130 5.36 20

Xylenes (total) 60.0 63.9 ug/l 106 70 - 130 6.09 20

4-BFB (PID) 60 - 120

Surrogate

91.0

LCS Dup LCS Dup


97.1a,a,a-TFT (PID) 60 - 120




Gasoline Range Organics 500 498 ug/l 99.5 60 - 120 2.11 20

Analyte

LCS Dup LCS Dup


Spike

Added

%Rec.

Limits LimitRPD

RPD

4-BFB (FID) 60 - 120

Surrogate

88.9

LCS Dup LCS Dup


105a,a,a-TFT (FID) 60 - 120

Client Sample ID: Matrix SpikeLab Sample ID: 13E0029-MS1



Benzene ND 20.0 22.9 ug/l 114 60 - 140

Analyte

Matrix Spike Matrix Spike


Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

Toluene ND 20.0 22.1 ug/l 111 60 - 140

Ethylbenzene ND 20.0 21.1 ug/l 105 60 - 140

Xylenes (total) ND 60.0 64.0 ug/l 107 60 - 140

4-BFB (PID) 50 - 150

Surrogate

106

Matrix Spike Matrix Spike


109a,a,a-TFT (PID) 50 - 150

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Client Sample ID: Matrix Spike DuplicateLab Sample ID: 13E0029-MSD1



Benzene ND 20.0 22.7 ug/l 114 60 - 140 0.720 25

Analyte

Matrix Spike Dup Matrix Spike Dup


Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits LimitRPD

RPD

Toluene ND 20.0 21.9 ug/l 110 60 - 140 0.813 25

Ethylbenzene ND 20.0 20.9 ug/l 105 60 - 140 0.643 25

Xylenes (total) ND 60.0 63.5 ug/l 106 60 - 140 0.755 25

4-BFB (PID) 50 - 150

Surrogate

103

Matrix Spike Dup Matrix Spike Dup


106a,a,a-TFT (PID) 50 - 150

Client Sample ID: DuplicateLab Sample ID: 13E0029-DUP1



Gasoline Range Organics ND ND ug/l 20

Analyte

Duplicate Duplicate


Sample

Result

Sample

Qualifier LimitRPD

RPD

Benzene ND ND ug/l 20

Toluene ND ND ug/l 20

Ethylbenzene ND ND ug/l 20

Xylenes (total) ND ND ug/l 20

4-BFB (FID) 50 - 150

Surrogate

99.1

Duplicate Duplicate


1134-BFB (PID) 50 - 150

117a,a,a-TFT (FID) 50 - 150

116a,a,a-TFT (PID) 50 - 150

TestAmerica Seattle

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Prep 3520C 05/16/13 12:02 AC135815 TAL SEA

Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA

Analysis 8270C SIM 1 136014 05/20/13 15:39 AP TAL SEATotal/NA

Prep EPA 3510 0.813 13E0027_P 05/15/13 11:54 KDC TAL ANCTotal

Analysis AK102/103 1.00 W000237 05/15/13 15:28 KDC TAL ANCTotal

Prep EPA 5030B 1.00 13E0025_P 05/15/13 11:31 JPN TAL ANCTotal

Analysis AK101/EPA 8021B 1.00 W000236 05/15/13 23:54 JPN TAL ANCTotal



Prep 3520C 05/16/13 12:02 AC135815 TAL SEA

Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA


Prep EPA 3510 RE1 0.794 13E0030_P 05/20/13 08:04 KDC TAL ANCTotal

Analysis AK102/103 RE1 1.00 W000242 05/20/13 17:01 KDC TAL ANCTotal



Client Sample ID: MW3R-05-13-2013 Lab Sample ID: 580-38471-3Matrix: WaterDate Collected: 05/13/13 16:47


Prep 3520C 05/16/13 12:02 AC135815 TAL SEA

Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA








Prep 3520C 05/16/13 12:02 AC135815 TAL SEA

Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA






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Prep 3520C 05/16/13 12:02 AC135815 TAL SEA

Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA








Prep 3520C 05/16/13 12:02 AC135815 TAL SEA

Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA








Prep 3520C 05/16/13 12:02 AC135815 TAL SEA

Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA








Prep 3520C 05/16/13 12:02 AC135815 TAL SEA

Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA






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Prep 3520C 05/16/13 12:02 AC135815 TAL SEA

Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA








Prep 3520C 05/16/13 12:02 AC135815 TAL SEA

Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA








Prep 3520C 05/16/13 12:02 AC135815 TAL SEA

Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA






Client Sample ID: Trip Blank Lab Sample ID: 580-38471-12Matrix: WaterDate Collected: 05/09/13 00:00


Prep EPA 5030B 05/16/13 08:55 JPN1.00 13E0029_P TAL ANC

Type

Batch Batch


Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total



TAL ANC = TestAmerica Anchorage, 2000 West International Airport Road Suite A10, Anchorage, AK 99502-1119, TEL (907) 563-9200


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Certification SummaryClient: Ahtna Engineering Services LLC TestAmerica Job ID: 580-38471-1


Laboratory: TestAmerica SeattleAll certifications held by this laboratory are listed. Not all certifications are applicable to this report.


Alaska (UST) UST-02210State Program 03-04-14

California NELAP 9 01115CA 01-31-14

Montana (UST) State Program 8 N/A 04-30-20

Oregon NELAP 10 WA100007 11-06-13

USDA Federal P330-11-00222 05-20-14

Washington State Program 10 C553 02-17-14

Laboratory: TestAmerica AnchorageAll certifications held by this laboratory are listed. Not all certifications are applicable to this report.


Alaska AK0097510State Program 06-30-13

Alaska (UST) State Program 10 UST-067 06-16-13

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Sample SummaryTestAmerica Job ID: 580-38471-1Client: Ahtna Engineering Services LLC


Lab Sample ID Client Sample ID ReceivedCollectedMatrix

580-38471-1 MW8-05-13-2013 Water 05/13/13 13:45 05/15/13 14:50

580-38471-2 MW11-05-13-2013 Water 05/13/13 18:03 05/15/13 14:50

580-38471-3 MW3R-05-13-2013 Water 05/13/13 16:47 05/15/13 14:50

580-38471-4 MW18-05-13-2013 Water 05/13/13 16:23 05/15/13 14:50

580-38471-5 MW17-05-13-2013 Water 05/13/13 15:03 05/15/13 14:50

580-38471-6 MW16-05-13-2013 Water 05/13/13 15:08 05/15/13 14:50

580-38471-7 MW118-05-13-2013 Water 05/13/13 17:25 05/15/13 14:50

580-38471-8 MW2-05-14-2013 Water 05/14/13 12:25 05/15/13 14:50

580-38471-9 MW1-05-14-2013 Water 05/14/13 09:21 05/15/13 14:50

580-38471-10 MW10-05-14-2013 Water 05/14/13 09:30 05/15/13 14:50

580-38471-11 MW6-05-14-2013 Water 05/14/13 10:45 05/15/13 14:50

580-38471-12 Trip Blank Water 05/09/13 00:00 05/15/13 14:50

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Login Number: 38471


Creator: Blankinship, Tom

List Source: TestAmerica Seattle

List Number: 1


meter.




tampered with.



TrueCooler Temperature is recorded.

TrueCOC is present.











N/ASample Preservation Verified.


MS/MSDs

N/AContainers requiring zero headspace have no headspace or bubble is

<6mm (1/4").




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Documents

DRAFT REPORT FOR 2013 AND 2014 GROUNDWATER SAMPLING … · DRAFT REPORT FOR . 2013 AND 2014 GROUNDWATER SAMPLING . AT THE FORMER TANK FARM . FAA STATION GUSTAVUS, ALASKA . OCTOBER