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•• MOUND, Environmental Restoration Program MOUND PLANT p;otential Release Site ,... PRS # 371 ...... _ ......... ··"· . .. EG&G MOUND-30-03-04-02--9705190024 I I ..J

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••

MOUND,

Environmental Restoration Program

MOUND PLANT p;otential Release Site Packag~--

,... PRS # 371 ...... v·~-··--'/ _ ......... ··"·

. ..

EG&G MOUND-30-03-04-02--9705190024 I I

..J

Environmental Restoration Program

MOUND PLANT POTENTlAL .RELEASE

SITE fACKAGE Notice of Public Review Period

The following potential release site (PRS) packages will be available for public review in the CERCLA Public Reading Room, 305 E. Central Ave., Miamisburg, Ohio beginning April 3, 1997. Public comment will be accepted on these packages from April3, 1997, through May 8, 1997.

Questions can be referred to Mound's Community Relations at (937) 865-4140 .

• 0

FINAL 1

• PRS371

Comment period expired. No comments. Recommendation page annotated.

May 13,1997

·~

MQ.UN.D PLANT

Release Block E

Potential Release Site

PRS 371 J

Mound Plant • Release Block E

Potential Release Site

0

~

v 0

PRS 371

PRSIDSTORY:

Potential Release Site (PRS) 371 was identified due to a single elevated radiological detection of plutonium-238 (Pu-238) during the OU5, Operational Area Phase I Investigation.2 No radioactive or hazardous waste processes are known to have occurred at this location.

CONTAMINATION:

1. In 1993, the Radiological Site Survey 1 investigated radionuclides in the soils at the Mound site via Mound soil screening, radiochemistry, and gamma spectroscopy. The map on page 10 shows the location ofPRS 371 in relation to the Radiological Site Survey samples. Results showed:

2. In 1994, the OU5, Operational Area Phase I Investigation 2 analyzed the Mound site for volatile organic compounds (VOCs) and semivolatile organic compounds (SVOCs) via a qualitative PETREX soil gas survey. The OU5 Investigation also analyzed surface soil for radiological contamination via Mound FIDLER (field instrument for detecting low energy radiation) and Mound soil screening.

The OU5, Operational Area Phase I, Non AOC Investigation2 sampled PRS 371 (OU5 Non AOC sample location 210) and detected plutonium-238 at 33 pCi/g (this detection created this PRS) and thorium-232 at 1 pCi/g. Additionally, the OU5, Operational Area Phase I, Area 21 Investigation6 took samples in the vicinity ofPRS 371 (OU5 Area 21 sample locations 104 and 107). The OU5 Area 21 results found the maximum plutonium-238 concentration to be 10 pCi/g and the maximum thorium-232 concentration to be 0.50 pCi/g. The Mound ALARA guideline criteria for plutonium is 25 pCi/g and the regulatory guideline criteria for thorium is 5 pCi/g.5

The data analysis of the qualitative soil gas samples collected during the OU5, Operational Area Phase I, Non AOC Investigation2 did not show any elevated soil gas readings at PRS 371. However, the data analysis of the qualitative soil gas samples collected during the OU5, Operational Area Phase I, Area 21 Investigation6 concluded there were elevated aromatic, semivolatile, petroleum and halogenated hydrocarbon ion counts at or near PRS 371 .

Page4

• 3. In April of 1996, the quantitative Soil Gas Confirmation Sampling 3 was performed as a second phase to the original qualitative OU5 Phase I Investigation (see #2 above). Confirmation Sampling location #90 was taken within approximately 25 feet ofPRS 371. Sample analysis found:

All concentrations of volatile, semi volatile, pesticides/PCBs, inorganics, explosives, and radionuclides in the soil were below their applicable regulatory, Mound ALARA or 10-6 Risk Based Guideline Criteria.

READING ROOM REFERENCES:

1) OU9, Site Scoping Report: Volume 3- Radiological Site Survey, June 1993. (pages 7-10) 2) OU5, Operational Area Phase I Investigation, Non AOC Report, Vol II, June 1995.

(pages 11-14.3) 3) Further Assessment: Soil Gas Confirmation Sampling, May 1996. (pages 15-23) 5) Risk Based Guideline Values, December 1995 6) OU5, Operational Area Phase I Investigation, Area 21 Report, June 1995.

(pages 24-30)

OTHER REFERENCES:

4) Code ofFederal Regulations, 40 CFR 192.41 and 40 CFR 192.12.

• PREPARED BY:

John Nichols, Member ofEG&G Technical Staff

• Pages

RECOMMENDATION:

MOUND PLANT PRS 371

SOIL CONTAMINATION

Potential Release Site (PRS) 371 was identified due to a single elevated radiological detection of plutonium-238 (Pu-238) during the OU5, Operational Area Phase I Investigation in 1994. No radioactive or hazardous waste processes are known to have occurred at this location. In 1996 a sample was collected within approximately 25 feet of PRS 371 during the Soil Gas Confirmation Investigation. All concentrations of volatile, semi volatile, pesticides/PCBs, inorganics, explosives, and radionuclides in the soil were below their applicable regulatory, Mound ALARA or 10-6 Risk Based Guideline Criteria. Therefore, NO FURTHER ASSESSMENT is recommended for PRS 371 .

CONCURRENCE: DOEIMEMP:

Arthur W. Kleinrath, Remedial Project Manager

USEPA: (date)

OEPA: = Brian K. Nickel, Project Manager

&;da/tfo ·(date)

SUMMARY OF COMMENTS AND RESPONSES:

Comment period from -----L~,_'/~J'-#-/_4f_7-=------- to ____::~~--~~/j:...JI!Y~t?__.2~--p( No comments were received during the comment period.

D . Comment responses can be found on page ___ of this package .

Page "R

REFERENCE MATERIAL PRS 371

PageS

ENVIRONMENTAL RESTORATION PROGRAM

OPERABLE UNIT 9, SITE SCOPING REPORT:

VOLUME 3 - RADIOLOGICAL SITE SURVEY

MOUND PLANT

MIAMISBURG, OHIO

June 1993

DEPARTMENT OF ENERGY

ALBUQUERQUE FIELD OFFICE

ENVIRONMENTAL RESTORATION PROGRAM

EG&G MOUND APPUED TECHNOLOGIES

FINAL

Page 7

• • • Map Coordinates MRCIO Depth Pu-238 Thoriumb Tritium Co-60 Cs-137 Ra·226 Am-241

Location• South West No. Mo·Vr ~nch) (pCi/g) (pCifg) (pCifmL) (pCI/g) (pCifg) (pCI/g) (pOfg)

S0764 3325 3350 2884 1().83 0 0.32 b

S0765 3350 3225 7339 09-84 0 0.55 b

S0766 3350 3350 7340 09-84 0 1.13 b

..... S07ff1 3400 3075 7344 09-84 0 0.43 b

S0768 3400 3225 2888 1().83 0 0.61 b

S0769 3400 3300 7347 09-84 0 0.61 b

...... S0770 3425 3025 7346 09-84 0 0.54 b

.... S0771 3425 3075 7342 09-84 0 0.45 b

S0772 3475 3050 7343 09-84 0 0.23 b

S0773 3500 3200 2887 1().83 0 1.67c b 0.15

S0774 3550 3075 2886 10-83 0 0.54 b

S0775 3575 3350 2883 1().83 0 1.61 b 0.99

C0178 3300 3380 8262 10-84 72 0.15 b

8263 10-84 162 0.01 b

~40!'> 414S 11-83 (I 0.53 b

•c denotes core location and S denotes aurtace sample location on Plate 1.

~horlum results of~ 2 pCI/g are listed aa "b".

"verification sample analyzed for CAfOC. d

No MRC 10 assigned because In situ gamma spectromelly was pertormed for thorium-232.

•aamma results cou!d not be confirmed using the gamma spectroscopy printout given In this appendix. I '"0 The depth for this sample was given as ·ss·. For mapping purposes (Plates 1 and 5), this Is assumed to be a surtace sample. Q) 8

Sample results were given Isotopically lor this sample and Included 0.99 pCifg thorium-228; 321 pCifg thorlum-230; and 1.5 pCI/g thorlum-232, tor a total of 323.5 pCifg. (Q (!)

(X)

c._,.,

1494500

-----------··-------....... ---. --

DESIGNERS/CONSULT ANTS

6501 Americas Parkway N.E. SUITE 800 ALBUQUERQUE, NM 87110 PHONE: (505) 884-5050

ER PROGRAM

MOUND PLANT Miamisburg, Ohio

PLATE I ( I of 2)

f I ~

Site Survey Project Sampling Locations

Prepared for

Site Scoping Report: Volume 3, Radiological Site Survey

Legend

L _______ ___j S true ture

Paved road

Dirt road Water

iJ<l_15

0002 • r---, -- ---J (-,

.... ./

Mound Plant Boundary

Surfac~ Location

Core Location

Potential Release Site . ' Elevated Activity

@) 19-17

Sampling Location for Verification Survey of Former WTS Pioeline

Map Location

Page 9

0612 .. 0614 ..

0618 .A.

0613

0620

0171 •

0732 .A.

..

0172 •

0616

... ~. 19-13 .. ,._ -·· .. , ·- ·-· .... ' -- -,' 19-12 '·, ..

0617' ~ 0615 ~: ;

0659 ..

0642

21

0658 ..

"0641

0166 •

.......... ........ , ........ ·

0662 .. 0663

.o\

0 50 100 150

I ... ' I I Scale in Feet

0164 • 0656/

4 i

0657! .. i

0167 •

/

.. '0661

0665·&

0168 •

0664 .A.

-... ~.

0666

0169 • .A.

... 0667 ... 0930

0932 A

200

I

1 inch = 100 feet

! f

e:.: l:.·j::·.q •t .r, ~; ~ :,,- •.,/

... ___ Q93

OS

0922 J.

Page 10

Page 11

• A·~D . • RADIOLOGICAL OAT A (FIDLER SURVEY MOUND SOIL SCREENING FACILITY DATA) FOR NON-AOC POINT

~~ 0 0

~· 6 Ci' p. I" "1::1 O[

r

~ ~ 1

0 5: ;q

0~ ...

R z a o [~ -R ~'TJ .,.. -·

iJ Ql (0 (1) _. tv

6:

f

SMPID

05N20 05N21 05N22 05N23 06N02 06N03 06N05 06N06 06N07 06N08 06N09 06Nll 06NI2

06N13 06N14 06NI5 06NI6 06NI7 06N18 06N19 06N20 06N21 06N22 06N23 mNOI 107N02 07N03 07N04

Contamination Criteria CHI Units: CPM RESULTS

130 l30 157.3 139 i57.3 i57.3 253.5 122.2 i22.2 184.6 184.6 i79.4 179.4

179.4 179.4 179.4 179.4 179.4 130 130 i30 130 139 139 253.5 115.7 253.5 253.5

FIDLER SURVEY DATA

FIDLER Contamination FIDLER Readings CHI Criteria CH2 Readings CH2 Units:CPM Units: KCPM Units: KCPM RESULTS RESULTS RESULTS

105 6.5 6.5 95 6.5 6.0 65 8.45 4.0 105 9.23 6.5 75 8.45 6.5 120 8.45 9.0 90 12.48 5.0 90 5.59 4.5 140 5.59 9.0 115 11.7 9.5 150 11.7 9.5 150 10.92 9.5 115 10.92 10.0

190 10.92 9.5 160 10.92 11.0 165 10.92 10.0 140 10.92 10.0 150 10.92 10.0 125 6.5 9.0 ISS 6.5 1.S 130 6.S 6.S 80 6.5 6.S 12S 9.23 5.5 8S 9.23 4.0 140 12.48 8.5 65 6.11 4.5 140 12.48 9.5 13S 12.48 8.5

---- --

0

MOUND SOIL SCREENING FACILITY DATA FIDLER Readings Out Channel Plutonium - 238 Thorium - 232 Units: KCPM Units: pCi/g Units: pCi/g RESULTS RESULTS Note: RESULTS Note:

NC 18 a 0.9 a NC 3 a 0.6 a NC 20 a 0.9 a NC 23 a 0.8 a NC 19 a 1.3 a NC I a 1.1 a NC 14 a I a NC II '(", a 0.8 a NC 0 a 1.7 a NC 24 a 1.4 a NC 33 b I a NC 20 a 0.8 a NC 10 a 0.8 a

13 a 0.8 a

NC 13 a 0.8 a NC 30 b 1.3 a NC 6 a I a NC 29 b 0.8 a NC 25 b 1.3 a NC 7 a 0.9 a NC 39 b 1.2 a

NC 18 a 1.1 a '

NC 1 a 0.7 a NC NR NR NC 18 a 0.5 a NC 22 a 1.3 a NC 24 a 0.7 a

NC 21 a 1.5 a

N~-- ~~- 0 a 1.2 a

)

-· -1 L N

1 1 N

70 N

9 N

8 /\'

7 N

6 N

N

2, 1994

2114-1.dwg Sample Locations

PL"TREX FlNGtRPRIN"T TECHNOL

PICJte 1 Page 13

= """"""\ .~

. -----

@ ~ 4,200,00!

@ 850,000-4,

Relative Response

Total Aromatic Hydrocarbons

p I ate 2 . Page 14

-....... ___ _

NonAOC-South

@ ~ 70,000

@ 7,000-69,999

NonAOC-West

@ ~ , ,000,000

@ 100,000-999,999

'-....,

+ ,o~'l. + ~o ',,'· .

........... _. __ \ rv)... C\J (

........ \ ......... --.......,, \..

Relative Response

To·tal Semivolatile Hydrocarbons

12

1 1

10

9 N

8 N

7 N

6 f\J

N

LEGn-.

Page 14.\ Plate 3 ••

·----

-· -·

able -Unit-S -(in ion CO! Relative Response Values

~

l NonAOC East N< Facility

NonAOC West -

nd NonAOC South rg, Ohio

/'"'7)\ ® ~ 29.' ® ~ 8,000,000

Relative Response @ 1,500,000-7,999.999 @ 3,000

Total C5-C11 Petroleum Hydrocarbons.

-

Plate 4 Page 14,t?

···-··

1 n d Facility Jrg Ohio •

TECt<NOLOGYc :tNT

·-----

@:::: 500,000

® 50,000-499,999

+~\)

+~\)

+f;J +~\) ''-...

+ ·~·~ ~\) g

R sponse Relative e

Total Halogenated Hydrocarbonc:

Plate 5 Page14,;

Environmental ·Restoration Program

Further Assessment

Soil Gas Confirmation Sampling

Mound P'ant Miamisburg, Ohio

May1996

Revi$ion 0

Department of Energy

EG&G Mound Applied Technologies

Page 15

Table 1.1 Soil Analyte List

Volatile Organic ComQQunds Acetone Benzene Bromodichloromethane Bromofonn Bromo methane 2-Butanone Carbon Disulfide Carbon Tetrachloride Chlorobenzene Chloroethane Chlorofonn Chloromethane

Semivolatile Organic Comoounds Acenaphthene Acenap~thylene

Anthracene Benzo(a)anthracene Benzo(a)pyrene Benzo(b)fluoranthene Benzo(g,h,i)perylene Benzo(k)fluoranthene bis(2-Chloroethoxy)methane bis(2-Chloroethyl)ether bis(2-Ethylhexyl)phthalate 4-Bromophenyl-phenylether Butylbenzylphthalate Carbazole 4-Chloroaniline

· 4-Chloro-3.,.methylphenol 2-0hloronaphthalene 2-Chlorophenol 4-Chlorophenyl-phenylether Pentachlorophenol Phenanthrene Phenol

ER Program Revision 0

Dibromochloromethane 1,1-Dichloroethane 1,2-Dichloroethane 1,1-Dichloroethene 1,2-Dichloroethene (total) 1,2-Dichloropropane cis-1,3-Dichloropropene trans-1,3-Dichloropropene Ethylbenzene 2-Hexanone

· Methylene Chloride

Chrysene Dibenz(a,h)anthracene Dibenzofuran 1,2-Dichlorobenzene 1,3-Dichlorobenzene 1 A-Dichlorobenzene 3,3-Dichlorobenzidine 2,4-Dichlorophenol Diethylphthalate 2,4-Dimethylphenol Dimethyphthalate Di-n-butylphthalate Di-n-octylphthalate 4,6-Dinitro-2-methylphenol 2,4-Dinitrophenol 2,4-Dinitrotoluene 2,6-Dinitrotoluene Fluoranthene Auor~ne

Pyrene · 1 ,2.4-Trichlorobenzene

Soil Gas Confinnation Sampling April1996

4-Methyi-2-Pentanone Styrene 1,1,2,2-Tetrachloroethane Tetrachloroethene 1,1,1-Trichloroethane 1,1,2-Trichloroethane-. Trichloroethene Toluene Vinyl Acetate Vinyl Chloride Xylenes (total)

Hexachlorobenzene Hexachlorobutadiene Hexachlorocyclopentadiene Hexachloroethane lndeno(1,2,3-cd)pyrene lsophorone 2-Methylnaphthalene 2-Methylphenol 4-Methylphenol Naphthalene 2-Nitroaniline 3-Nitroanlline 4-Nitroaniline Nitrobenzene 2-Nitrophenol 4-Nitrophenol N-Nitroso-di-n-propylamine N-Nitroso-diphenylamine 2,2-oxybis(1-Chroropropane) 2,4,5-Trichlorobenzene 2.4,6-Trichlorobenzene

Page 16

Table 1.1 Soil Analyte List (Continued)

Pesticides/PCB's

Aroctor-1016

• Aroclor-1221

Aroclor-1232 Aroclor-1242 Aroclor-1248 Aroclor-1254 Aroclor-1260

Aldrin Alpha-BHC

Beta-BHC

lnorganics

Aluminum

Antimony

Arsenic

Barium Beryllium

Bismuth Cadmium

Calcium

Chromium .Cobalt

Radionuclides

Americium-241 Bismuth-207

Bismuth-21 0 Cesium-137

Cobalt-50

ER Program Revision 0

Delta-BHC

Gamma-BHC

alpha-Chlordane

gamma-Chlordane

4.4'-000 4,4'-DDE 4,4'-DDT

Dieldrin

Endosulfan I

Copper

Cyanide

Iron

Lead Lithium

. Mag(1esium

Manganese

Mercury

Molybdenum

Nickel

Plutonium-238

Plutonium-239/240

Potasslum-40

Radium-226

Thorium-228

Soil Gas Confinnation Sampling April1996

Endosulfan II Endosulfan sulfate Endrin

Endrin aldehyde Endrin ketone Heptachlor

Heptachlor epoxide

Methoxychlor

Toxaphene

Potassium

Selenium

Silver

Sodium

Thallium Tin

Vanadium

Zinc

Nitrate/Nitrite

Explosives (USA THAMA,PETN)

Thorium-230

Thorium-232

Uranium-234

Uranium-235 Uranium-238

Page 17

' 387 ' . " ..

\ . \

ei \

\

\ !

.. 000032

0 375

:1 --- . - J : PRS Location ·:Soil Gas Confirmation Samp\ing Location

Q..-::::_}22 2Q9

/

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Page tJ. \ (

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Table 1.2. Variance From 3-Foot Sampling Depth Specification

Location

SGC-NAC..000001

SGC-NAc-ooooo2

SGC-NAc-ooooo3

SGC-NAG-000004 SGC-NAc-oooooS SGC-NAC.000006 SGC-NAC..()()()0()7

SGC-NAC-000008 SGC-NAC.pQ001 0

SGC-NAc-oooo12 SGC-SAN-000018

SGC-NAC.000029 SGC-A61..()()()()43

SGC-A61.000047

SGC-A61-oooo48 SGC-A61-000049 SGC-A61-000051 SGC-A61-000052 SGC-A61..Q00053

SGC-A 13..000056 SGC-A 13·000058

SGC-A 13..000060 SGC-AOJ.Q00064 SGC-AOJ.Q00066 SGC-AOJ·000067 ·

SGC-AOJ.000069 SGC-A03.000080 SGC-A03..Q00081 SGC-A03..Q00082 SGC-A03..Q00083

SGC-A03..Q00087

SGC-A21-000088 ... SGC-A21-000090

SGC-SDB-000097 SGC-SDB-000098 SGC-SDB..Q001 01 SGC-SDB..Q001 02

ER Program Revision 0

Description of Variance , Core sampler hit refusal at 2 feel

Relocated due to utilities.

Core sampler hit refusal at 2 feet.

Core sampler hit refusal at 181nches. Drilled to 1 foot. hand-augered rest due to utilities. Drilled to 1 foot, hand·augered rest due to utilities.

Core sampler hit refusal at 18 Inches. Drilled to 2 feet due to utilities.

Drilled to 1 foot; hand-augered rest due to utilities; flag against building, so sample taken 6 feet from flag.

Drilled to 2 feet due to utilities.

Core sampler hit refusal at-2 feet; relocated from inside clarifier. · Core sampler hit_refusal at 18 Inches.

Sampled 1 foot from flag. Drilled to 2 feet due to utilities.

Drilled to 2 feet due to utilities. Relocated due to utilities.

Core sampler hit refusal at 18 inches.

Relocated due to utilities; core sampler hit refusal at 18 inches. Core sampler hit refusal at 2 feel

Core sampler hit refusal at 18 inches

Drilled to 1 foot. hand-augered rest due to utilities. Core sampler hit refusal at 1 fool

Core sampler hit refusal at 2 - 3 inches • Core sampler hit refusal at 4 inches. Core sampler hit refusal at 6 Inches.

Core sampler hit refusal at 2 feel

Core sampler hit re_fusal at 20 inches Drilled to 2·feet due to utilities.

Drilled to 1 foot. hand-augered rest due to utilities. Sampled 25 feet from original location due to storm sewer; core sampler hit refusal at 18 inches. Core sampler hit refusal at 2 feel

Core sampler hit refusal at 18 Inches • Core sampler hit refusal at 20 Inches. Relocated due to utilities. Relocated from Inside a build'mg. Relocation of SGC-SDB-000099; first location surveyed Incorrectly. Relocation of SGC-SDB-000100; first location surveyed Incorrectly •

Soil Gas Confirmation Sampling April1996

Page 18

"tt OJ

(Q CD ..... CD

• • Table A.1

Detected Volatile Organic Compounds (J.1Q/kg)

Background Industrial Scenario SGC-A03-ANAL YTE Value Guideline Criteria 000087

PETREX SAMPLE AREA WEST Acetone NA 1,2-Dichloroethene (total) NA 2-Butanone NA Benzene NA Carbon Disulfide NA Chloroform NA Chloromethane NA Ethylbenzene NA Methylene Chloride NA Tetrachloroethane NA Toluene NA Trichloroethane NA Xylene (tota~ NA No entry - not detected J - Numerical value is an estimated quantity C - Identification confirmed by GC/MS mg/kg - micrograms per kilogram

21000000 43000000 93000000 8.90E+03

280000 3100

NA 480

3.95E+OS 21000000

250000 41000

430000000

Red = above Guideline Criteria (GC) Green = above GC and below Background

Magenta = above Background and Below GC Blue = above Background (no GC)

Table A 1. Soil Gas Confirmation Sampling

13

4J

11

26

(

Page 12 of 13

SGC-A21-000088

AREA21

2J

SGC-A22-000093

AREA22

1 J

1 J

SGC-SDB-000097

SOB

12

SGC-SDB-000098

SOB 11

21 70

~ t~ ~ ~ Vo'-ATl\S"'$ \

1)tr~l"')J -k \ocP\'6~ .,tJ<;p. . ~ A~1 ~~'-r5 ~~ ~· \__t~ ~ T~ tt>'-1~ e>r ~ ---------·-- 6/20/96

-o Q)

(Q (J)

1\.) ....

• • Table A.3.

Detected PesticldeslPCB's (~g/kg)

Industrial Scenario SGC-SOB-000101 ANALYTE Background Guideline Criteria

PETREX Sample Area Aroclor-1248 Aroclor-1254 Alpha-Chlordane Gamma-Chlordane 4,4'-DDT Dieldrin Endosulfan I Endosulfan II Endrin Heptachlor No entry - not detected *- Unconfinned due to Interference NA - Value not available

NO NO NO NO

9000 NO NO NA NO NO

NO - No detections in background samples mg/kg - micrograms per kilogram Red = above Guideline Criteria (GC) Green = above GC and below Background Magenta = above Background and Below GC Blue = above Background (no GC) .

Table A.3. Soil Gas Confirmation Sampling

SOB 380

4,300 140 NA NA

13,000 185 NA NA NA NA

~ ~ Wo tE.5Tlc_,t£Sj'ft ~~ k kc.PT6~ .pt.~ 0 ~ A~~ ~~:> ~~ JE­\._t~ ~ T~ tbc.,~ ~ ~

6/20/96

"0 Q,)

1.0 (I)

1'1..) 0

• Table A.2.

Detected Semlvolattle Organic Compounds (tJ.glkg)

Background Industrial Scenario SGC-A03· ANALYTE Value Guideline Criteria 000085

PETREX Sample Area Acenaphthene NA NA Acenaphthylene NA NA Anthracene NA 64,000,000 Benzo(a)anthracene NA 4,100 Benzo(a}pyrene NA 410 Benzo(b)tluoranthene NA 4,100 Benzo(g,h,l)perylene NA NA Benzo(k)tluoranthene NA 41 ,000 Bls~-ethyl_llexyl)phthaiate NA 215,000 Butylbenzylphthalate NA 43,000,000 Carbazole NA NA Chl}'tlene~ _ _ ~ t-I_A 410,000 DI-n-butyl phthalate NA 21,000,000 01-n-octyl phthalate NA 4,300,000 Olbenz(a,h)anthracene NA 410 Olbenzoturan NA NA Olethylphthalate NA NA Auoranthene NA 8,500,000 Auorene NA NA lndeno(1,2,3-cd)pyrene NA 4,100 2-Methylnaphthalene NA NA Naphthalene NA NA Phenanthrene NA NA Phenol NA 130,000,000 Pyrene NA 6,400,000 No entry • not detected J ·Value Ia an eat. quantity 0 - Sample was diluted NA ·Value not available H • Analyzed outside holding tlme pQ/kg - micrograms per kilogram Red = above Guideline Criteria (GC) Green :: above GC and below Background Magenta :: above Background and Below GC Blue = above Background (no GC)

Jble A:Z. SoU Gas Confirmation Samptlng

AREA3

55J 54 J 53J 29 J 56 J

65 J

33 J

28 J

98 J

• SGC-A03·

000086 AREA3

76 J 70 J 55 J 47 J 64 J

83J

23 J

150 J

39 J

70 J

130 J

Page 10of11

SGC-A03· 000087 WESI

24 J

21 J

19 J

SGC-A21· 000088

AREA21

26 J

SGC-A22· 000092

AREA22

23 J 23 J 28 J

21 J

25 J

59J

42 J

48J

SGC-A22- • 000093

AREA22

19 J

• SGC-A22·

000094 AREA22

51 J 65J 62J 48 J 69 J

76 J

140 J

42 J

96 J

120 J

lPE\4:" ~ ~~H\Y6tk1\ ~~ ~~ -P~. ~1 ~~5 ~~ lt~ ~ T~ tt>c.,~ ~ ~

-

~ IQ fl)

~

• TableAA.

Detected lnorganlc:s

Bac:kground Industrial Sc:emulo ANALYTE Value Guideline Crlterta

1'1:: 11.:1:::11. <:>ample Area TAL INORGANIC& (nu/kll) Aluminum 19000 NA Antimony NA 85 Arsenic 6.6 64 Barium 180 15000 .BEllyl!lum 1.3 1 Bismuth NA NA O!dmium 2.1 210 Calcium 310000 NA Chromium 20 110000 Cobalt 19 Copper 26 evan Ide NO Iron 35000 Lead 48 Lithium 26 Mllmle81um 40000 Manganese 1400 Mllltii!Y NO Molybdenum 27 Nickel 32 Pota881um 1900 Sele11illm NA. Sliver 1.7 Sodium 2-40 Thallium 0.46 Tin 20 Vanadium 25 Zinc 1-40 On!ER INOROANICS %Solids%) NA N!trate/Nitl1te (mg-Nikg) NA --·- _.-.~._. _ _. ..~__. _ _._ ...

NO • No detecl1ons In bac:kgltlUncl aamples mg-Nikg • mlii1Qrall16 per Idiogram. reported as nttrogen J • Numertcai value t. en estimated quantity a · Analyte detec:ted In blanks aaaoelatad with this sample Red"' abOve Guideline Q1ter1a (Gq Green • abOve GC end below BackgltlUnd Magenta" abOve BackgltlUnd and Below GC Slue"' abOve Beckgmund (no Gq

Table A.4. SoU Gas Oonl!rmatlon S.mpllng

NA NA

4300 NA NA NA NA.

27000 64 NA

4300 NA. NA

1100 NA NA. NA

1500 ti4,000

NA .I'IA.

SGc.A03· SGc.A03-000083 000084 AKI::A :3 AKI::A :3

3710 8760 0.39 8 0.4 8

4.5 6.6 29.6 a 72.6 0.13 B 0.45 a

0.17 B 144000 61300

6 14 4.7 a 98

12.1 20.1 o.5e a

8960 22500 14.3 8.1 5.3 8 12.3 8

86000 20100 267 466

2.2 8 2.1 a 8.4 a 22.5 476 a 742 a

o.46 a 318 a 124 a

1.4 B 11.6 22.1 :>1:1.6 53.9

82 84.9 1.6 13.1

• • SGC.A03- SGc.A03- $Qc.A03- SGc.A21· SQe.A21- SGc.A21·

000085 000086 000087 000088 000089 000090 AKI::A3 ARI::A J WES ~~EA~1 ~A~21 ARI::A 21

5830 7860 3670 11100 14800 16500 M58

3.6 7.7 3.6 B 3.7 J 3.4 3.5 39.7 a 66 30.4 a 95.5 77.3 128 0.32 0.41 a o.12 a 0.81 0.42 o.ss

1 B 0.1 a 6.1 7.1

169000 62400 135000 6570 J 92800 7810 10.8 14.4 4.7 15.6 17.8 20.6 6.5 8 2.2 a 3.1 a 12.9 12 a 13.4

11.9 18.5 5.8 14.1 16.7 21.7 o.58 a

15500 18600 6540 25600 29300 33200 12.4 12 7 21.3 J 16.9 35.4

19 8 13.9 8 11.8 a s.7 a 15.4 a 18.5 a 39900 12700 27700 2510 3530 3830

430 594 289 604 J 649 982 0.06 BJ o.o7 a 0.1 a ·

1.3 a 1.8 a 0.66 a 1.79 1.9 a 1.4 a 14.6 17.3 6.6 a 17.9 20.4 28.5 1150 10so a 503a 10608 1110 a 2420 a

0.22 a 355 a 142 a ma 95.6 8J 121 8 95.4 8

o.84 a 2B 2.4 a

9.8 20.8 5.8 23.6 29.3 32 37.8 OJ 18 :;:;.4 75.4 101

88.8 66 87.9 79.9 83.2 78.5 6.8 8.6 0.93 3.4 1.11 5.2

Page 11 or 13 6124196

"'0 Q)

(Q

CD 1\J w

• Table A.5.

Detected Radionuclides (pCi/g)

Industrial Scenario ANALYTE Background Guideline Criteria

PETREX Sample Area Americlum-241 ND Bismuth-207 ND Bismuth-21 0 ND Cesium-137 0.42 Cobalt-60 NC Plutonlum-238 0.13 Plutonium-239/240 0.18 Potasslum-40 37 Radium-226+0 2 Thorium-228+0 1.5 Thorium-230 1.9 Thorium-232 1.4 Uranlum-234 1.1 Uranium-235+0 0.11 Uranium-238+0 1.2 No entry - not detected. ND -No detections In backaround samoles NA- Data not available NC - Background value not computed pCI/g - plcocuries per gram Red = above Guideline Criteria (GC) Green = above GC and below Background Magenta = above Background and Below GC Blue = above Background (no GC)

Table A5. Soil Gas Confirmation Sampling

4.95 0.18

NA 0.46 0.10

5.5 5.5 NA

0.14 0.85

44 50 38

3.4 11.0

• SGC-A03-

000086 AREA3

3.11 0.00943

15.9 1.02

0.773 1.07

0.806 0.799

0.0617 0.966

Page 18 of20

• --

SGC-A03- SGC-A21- SGC-A21- SGC-A21-000087 000088 000089 000090 WEST AREA 21 AREA 21

0.333 0.691 0.589 0.563

0.914 0.508 0.444 0.284 0.0111 0.0216 0.0132 0.00901

6.28 23.3 17.5 26.6 0.478 1.26 1.03 1.14

0.35 0.954 0.855 1.27 0.653 1.3 1.2 1.16 0.455 1.01 0.826 1.07 0.572 0.86 0.767 0.79

0.0591 0.596 0.897 0.803 1.16

6/24/96

> ~

p oo ~

00 "'" o6

IS Gt> 0

• 0 0

• t

• 0 .. 0~ :

fia ~ D~S<J£~Oalloa,s.ooo o?~ ~ ••1¥o~o·o oooo!a· ~~Uo§ @ofiBa~»IY

·.

Page 24

om ;~

~

1 ~ [ 'tl

[

0 s; ~

z~ ~-Ia .. N

~; ~ n·

0::

-o Ql (0 (l)

N (J1

i ::l

(-~· 1.

SMI'ID

• APPENDIXC

RADIOLOGICAL DATA (FIDLER SURVEY & MOUND SOIL SCREENING FACILITY DATA)

NC • No sumple collected because location not an original grid point. NA ·Reading not taken; contamination crileriu for the out channel not exceeded. NS • Sample collected but not analyzed. a • Mound Soil Screening Facility detection level not exceeded. b • Concentration at or above the Mound Soil Screening Facility detection level. KCPM • Counts per minute x 1000 · CPM • Counts per minute pCilg • Picocuries per gram

~

Ol)7 A~ Z\ ~X .~\\_ ~~ ~~R£ lou.\lo,..:>f

+ 1J6 \ + 155 ------------ _:.-··,------- + 127

+ 165

_______ _..,-·

+ 97

+ 153 ---------

......... -----· + 144 ..... --

+ 141

+ n• ,-;:"'

~~ ..... _..:.-~-· __ ) +126 - _ ... /'

/

__ ..,.. ....

--- + "' . ......----------------------- + 1<2 ___----·----------, -----:.-1'f3

// /

/

//

--------------+ 164

----------<

+ 152 .-------

.-----~ + 156 __ .,......,...

+.,'5~------+ 151

+ 14}

------------------ + 115

__________ ..... ; 63

----· ______ .. -·· -------+ 157 ------- + 112

---------­+158...--·

----~--~,.,.---~-_ _.... . .-..----------

~.- ------------· --------

Productcl by;

N•l1has1~-::::' s~:!.otul• w:_

LAM(~~~15

---------

880

Ptoi-d f: 211&[

Ilia:

Auousl 31, 199.&

n11 Noma:

AOC:21_ l..d•o

-- +.,09

+ 103

..,-/_/ _______ _

~-------

U.S.D.O.L t<ound .. rociliiy Wklm3burv. Oh

________ .-_--+,·;~/~ _ ...... -+',,8

··I I

+ 117 ,_...-------------! -------~

+ 119

+116 1

UCENO

r.oturas:

• P[TR[X Sompla 'loeCitl.on

+ 125

r-­\r""'< \..,_,/

------~~--~------~ .

+ 121

= 25 12.~ 0 SCALE IN ~ET

CONlOUR INITRV.-J. 10 FEET

Sample L

Pial•

Page 26

880

AOC-21 /0 eroble Unit-5 llt•kltiv• A•~mr.• Vclv••:

tZl ~- 900.000

~ 1 '0.000 ~ 8!'9,9'39 U.S.D.O.E. Mound r ocility

W!Qrnl.-bur9;. Ohlo

.-

UG(NO

• PrtRE:X Scmpl• t..otcQiicn

t.:o li6l o.t.ci•G

Re~ctive Response

Tolol Aromotic Hydrocarbons

Plaie 2

Page 27

-------

-----

___ .. -·

Produced by:

"•"'"•""' An-~l,.dohlle U.C ~:::·;~"-Uo•··-- c.--lo011)

_(JOl)lll-~0

\

" \

_____ ..

~IY01....ATn~ •

NO ......... ----~NO

+ 1540 ___ _... .. ---·· .. -

NO .--------------

+3472 ________ ... ---·

]..--- + 2857

+ \146 _ _...-··'/'

--~ +_NO---------·

-------·

22J1

_ .... -~----------------....._.....__ _____ _

_______ .......... ---

:-::'-;,-<" ·:,,:;.. ... ,-:';:,

··=--}

.... -----__ .!--Nrt"

+ 1549

~ ----------

/ /

/

------- ------------------.

880

Projeel f:

21U[

ol•:

.t.uvu.t 31, _1994

nte Hom•:

A0C21_l.d•<;l

U.S.D.O.C. t.lound facility lollomlsbuf"g. Ohio

~ ~ 100.000

~ 10,000 - 99,999

25 :2.~ 0 25 so

• P[TR[X Sampl• Utcolion

NO Hot [)elu1ed

SCAL£ IN F'EEl CONlOUR tNltRVAL 10 FEEl

Page 28

Relative Respo

Total Semivo Hydrocarbc

Plate 3

__ ..-/·

__ .,....-· ___ ... ------

Produc1d by:

Not1,eoel Ra .. oreto lns1oMe UL ~,..,.,s ... -•

• Soooli• 100 Uoh·-· c-- aoll)

(lOl) :ut-ooto

Drown By:

JCS

880

Proi•~ (: 2114[

"""oust 31, 19!U

~ l,n::-,,--::-•• -m-,-, --i

AOC 21 /Operable Unit 5

U.S.D.O.L Mound Facility Wlambl'>o.lrg,. Ohla

12203 + 32924

+ 1811.}

+ 36324

ir-:...

\t--'\ . ' + 25217 ·--=--:~·

---------------·:::--~s-,;3U-_L_ __ _ + 263887

___ ... -

------------------ -----------

! A

LEGEND

f2J ?: l.500.000

E;8 ~!lO.OOO - l,.t.'J9.CJ'39

25 12.~ 0 25 50

• PC'TRO: S.Omple loc:alion

NO Nat Oelotlod

SCALE IN tEET CONTOUR INTERVAl 10 FEfT

Relative Response

Total C5-C11 Petroleum Hydrocor

l.tanagor. A0C:21_4.dwg

L-~-------~~ L------L------~~~==~~-~~~------~L----------------------~--------------------~~----------------Plate 4

Page 29

880 25 1:U 0 25 50

SCAL( .IN r£::[1. COfi(TOV~ tNTtRvAL 10 F££.1

' t>f'o•u• &r; f>roi•t:l f: AOC-21 /Operoble Unit-5 LEGEND Relotive Response JCS 11U(

fitloJ.i,• Jltspcmtt Vql,..n:. f.oh.tn••: .Hologenotel Produud by: ~ Total

"'•l'lto.al<l•-tn.-liiii'I•U..C ch:

f'ocility IZI• -<SO.ooo .,. PCTRtX Sompi• ~oi;on Hydrocarbons IC) :.:::·~,!"-' A.iJ9uff 31, 1~'114 U.S.O.O.E. t<Jound NO Not 0.1Kt•d

u~~--. ~- ac:n'> ~ '-llomlatwr;. Ohk> S8 '1$,000·- 1<19,!tH

N1 Wcri tO•ntlt0.6 ()OJ)~~ f1!t l<lomt:

Plo!e 5 uono~r. •OC2t_~.ct•g

~ __ "'__..,

• Page 30