Spectron Superfund Site Proposed Plan Contaminated Shallow Soils U.S. EPA Region III June 26, 2003 Philadelphia, PA Robert J. Sanchez US EPA - Remedial

Spectron Superfund SiteSpectron Superfund SiteProposed PlanProposed Plan

Contaminated Shallow SoilsContaminated Shallow Soils

U.S. EPA Region IIIU.S. EPA Region III

June 26, 2003June 26, 2003

Philadelphia, PAPhiladelphia, PA

Robert J. SanchezUS EPA - Remedial Project Manager

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Meeting AgendaMeeting Agenda

Superfund ProcessSuperfund Process ParticipantsParticipants Site HistorySite History Cleanup Action HistoryCleanup Action History Elements of the Proposed PlanElements of the Proposed Plan Next StepsNext Steps

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Superfund ProcessSuperfund ProcessInvestigationInvestigation How much contamination?How much contamination? Where is the contamination?Where is the contamination? What are the conditions on-Site?What are the conditions on-Site? What are the risks?What are the risks?

Feasibility Study Feasibility Study How can we clean this up?How can we clean this up? Possible AlternativesPossible Alternatives

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Notification/Site Discovery

EPA's Superfund Process

Proposalto NPL

(Finalizedon NPL)

Sites in the Remedial Program may be referred to the Removal Program

at any time, and vice versa.

RemedialInvestigation

FeasibilityStudy

RemovalAssessment

RemovalAction

REMOVALREMEDIAL

ProposedPlan

Record ofDecision

RemedialDesign

RemedialAction

Operation &Maintenance

ProposedDeletion

Community Involvement and Enforcement take place throughout the Superfund Process.Public comment is solicited at Proposal to NPL, Proposed Plan, and Proposed Deletion.

Deleted from NPL

NoAction

NoAction

(…if finalized on NPL…)

Prelim. Assessment/Site Inspection/

HRS Scoring

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Proposed PlanProposed Plan

EPA’s Recommended Cleanup Method or EPA’s Recommended Cleanup Method or ““the Preferred Alternative”the Preferred Alternative” Subject to change based on commentsSubject to change based on comments

Your comments and concerns?Your comments and concerns? Be heard todayBe heard today Write or email us before August 20, 2003Write or email us before August 20, 2003

Final Cleanup Determination Final Cleanup Determination Record of Decision (ROD)Record of Decision (ROD)

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Participants Federal Government

US Environmental Protection Agency US Fish and Wildlife Agency for Toxic Substances

and Disease Registry ("ATSDR"). State Government

Maryland Department of the Environment (MDE), Potential Responsible Parties (PRPs) Local Governments and The Public

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Historical BackgroundHistorical Background1881 – 1954 Kenmore Paper Mills1881 – 1954 Kenmore Paper Mills

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Spectron Superfund SiteSpectron Superfund Site1961 – 1988 Galaxy Chemicals/Spectron, Inc.1961 – 1988 Galaxy Chemicals/Spectron, Inc.

Contaminants of Concerns – Solvents

Trichloroethene("TCE") and

Perchloroethene ("PCE")

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Spectron Superfund SiteSpectron Superfund Site1989 EPA Begins Removal Action1989 EPA Begins Removal Action

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Historic Cleanup ActionsHistoric Cleanup Actions 500,000 gals of flammable chemicals removed500,000 gals of flammable chemicals removed

Residential Well Sampling Program StartedResidential Well Sampling Program Started

Ground water containment system InstalledGround water containment system Installed

Contaminated Shallow Soil – Operable Unit 1Contaminated Shallow Soil – Operable Unit 1

Contaminated Bedrock – Operable Unit 2Contaminated Bedrock – Operable Unit 2

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Residential Well Sampling ProgramResidential Well Sampling Program

Responsible Parties agreed to pay cost of Responsible Parties agreed to pay cost of sampling your wells.sampling your wells.

Over 5 years of sampling wells.Over 5 years of sampling wells.

Continues to meet drinking water standards.Continues to meet drinking water standards.

Sampling will continue.Sampling will continue.

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Ground Water Containment SystemGround Water Containment System

March 2000 - Startup of ground water March 2000 - Startup of ground water containment system.containment system.

Treats 40,000 gallons of contaminated ground Treats 40,000 gallons of contaminated ground water per day.water per day.

Levels dropped significantly in CreekLevels dropped significantly in Creek

IT DOES NOT SMELL ANYMORE!!!IT DOES NOT SMELL ANYMORE!!!

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Little Elk Creek Contaminant LevelsLittle Elk Creek Contaminant Levels

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Mass Removal of ContaminatesMass Removal of Contaminates

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Operable Unit #1 (Phase 1) Operable Unit #1 (Phase 1) Shallow Soil ContaminationShallow Soil Contamination

OU #1 IncludesOU #1 Includes::

Ground water containment systemGround water containment system

Plant area soils (approx 7 acres)Plant area soils (approx 7 acres)

Soil down to the bedrock (4ft to 15 ft deep)Soil down to the bedrock (4ft to 15 ft deep)OU #2 IncludesOU #2 Includes:: Office AreaOffice Area BedrockBedrock Ground water (off-site)Ground water (off-site) Residential wells/CreekResidential wells/Creek

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Operable Unit 1 Coverage Operable Unit 1 Coverage Plant Area down to BedrockPlant Area down to Bedrock

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SOIL OPERABLE UNIT 1SOIL OPERABLE UNIT 1

BEDROCK OPERABLE UNIT 2BEDROCK OPERABLE UNIT 2

Power House Power House (existing)(existing)

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Proposed Plan Proposed Plan Common ElementsCommon Elements

Ground water containment, collection and Ground water containment, collection and treatment system treatment system

Demolish all old structuresDemolish all old structures

Re-Grade SiteRe-Grade Site

Deed Notices not to build Deed Notices not to build

or drill a well or drill a well

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Proposed Plan AlternativesProposed Plan Alternatives

Alt #Alt #1. No Action1. No Action2. Phytoremediation (Trees) soil cover2. Phytoremediation (Trees) soil cover3. 3. Sub-surface treatment and anSub-surface treatment and an

engineered plastic capengineered plastic cap4. Excavation “hot spots” with off-site disposal, 4. Excavation “hot spots” with off-site disposal,

and a soil coverand a soil cover5. Soil Vapor Extraction (vacuum) 5. Soil Vapor Extraction (vacuum)

with plastic capwith plastic cap

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Ground Water Containment System Ground Water Containment System • Continue to meet Water Quality Criteria in CreekContinue to meet Water Quality Criteria in Creek

Sub-Surface Treatment of contaminationSub-Surface Treatment of contamination• Treats contamination - residual DNAPL Treats contamination - residual DNAPL

Engineered Protective Cover (“Plastic Cap”)Engineered Protective Cover (“Plastic Cap”)• Prevent current or future direct contact Prevent current or future direct contact

Institutional ControlsInstitutional Controls• Prevent current and future Prevent current and future

use of ground wateruse of ground water

EPA’s Preferred AlternativeEPA’s Preferred Alternative Sub-surface treatment and an engineered plastic capSub-surface treatment and an engineered plastic cap

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EPA’s Preferred AlternativeEPA’s Preferred Alternative Sub-surface treatment and an engineered plastic capSub-surface treatment and an engineered plastic cap

WHY THIS ALTERNATIVE?WHY THIS ALTERNATIVE? Provides sub-surface treatmentProvides sub-surface treatment Provides protective barrier between people and Provides protective barrier between people and

contamination contamination Prevents wash-outs due to floodsPrevents wash-outs due to floods Helps minimizes flow to systemHelps minimizes flow to system Less disruptive to communityLess disruptive to community Standard Construction methodsStandard Construction methods Cost effectiveCost effective

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Preferred AlternativePreferred AlternativeSub-surface treatment and Engineered CapSub-surface treatment and Engineered Cap

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Drip TrackDrip Track

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Next StepsNext Steps

End of Comment Period: Aug 20, 2003 End of Comment Period: Aug 20, 2003 Issue Final Cleanup Plan – ROD: Sept 30Issue Final Cleanup Plan – ROD: Sept 30 Consent Decree negotiationsConsent Decree negotiations Remedial Design – How to build itRemedial Design – How to build it Remedial Action – Construction Start-upRemedial Action – Construction Start-up

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EPA ContactsEPA Contacts Robert SanchezRobert Sanchez, ,

Remedial Project ManagerRemedial Project Manager

(215) 814-3451; (215) 814-3451; [email protected]@epa.gov

Carrie Deitzel, Carrie Deitzel,

Community Involvement CoordinatorCommunity Involvement Coordinator

(215) 814-5525; deitzel.Carrie(215) 814-5525; [email protected]@epa.gov

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For more info, check out the EPA’s For more info, check out the EPA’s Spectron Web SiteSpectron Web Site

http://epa.gov/reg3hwmd/super/MD/spectronhttp://epa.gov/reg3hwmd/super/MD/spectron

End of slides.

Thank you for coming.

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Alternative Cost Summary

Remedial Alternative

Description Capital CostAnnual O &

M Cost

Total O & M Present Worth

(5%, 30 Yrs)

Total Present Worth

(5%, 30 Yrs)

1 No Action $0 $0 $0 $0

2Phytoremediation with Soil Cover

$2,119,581 $445,000* $7,031,000 $9,150,581

3In-Situ Treatment with Engineered Cover

$1,984,706 $452,666* $7,152,123 $9,136,829

4Excavation and Off-Site Disposal and a Soil Cover

$8,649,829 $375,000* $5,925,000 $14,574,829

5Soil Vapor Extraction with Engineered Cover

$3,784,648

(1-10yr) $395,000*(1-30yr) $590,000*

$6,241,000

$4,513,500$14,539,148

* O & M costs include $360K for Ground Water Containment System operation

Documents

Spectron Superfund Site Proposed Plan Contaminated Shallow Soils U.S. EPA Region III June 26, 2003 Philadelphia, PA Robert J. Sanchez US EPA - Remedial