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PUBLIC HEALTH ASSESSMENT

LENZ OIL SERVICE, INC.
LEMONT, DUPAGE COUNTY, ILLINOIS


APPENDICES

APPENDIX A - Tables 1-15

Table 1: Waste Materials Accepted by Lenz Oil
Table 2: Organic Groundwater Contaminants
Table 3: Inorganic Groundwater Contaminants
Table 4: Volatile Organic Soil Contaminants
Table 5: Semivolatile Organic and PCB Soil Contaminants
Table 6: Inorganic On-Site Soil Contaminants
Table 7: Inorganic Surface Water Contaminants
Table 8: Organic Contaminants of Concern
Table 9: Inorganic Contaminants of Concern
Table 10: Soil Gas Investigation
Table 11: Off-Site Air Monitoring
Table 12: USEPA TRI Data
Table 13: On-Site Soil Contaminants Before and After Incineration
Table 14: Completed Exposure Pathways
Table 15: Potential Exposure Pathways


Table 1

WASTE AND NONWASTE STORAGE SUMMARY
LENZ OIL SERVICE INC.



Waste Materials Accepted
Waste Oils Spent Solvents
Motor oil
Hydraulic oil
Cutting oil
Lubricating oil
Transformer oil

Other Wastes

Pigments
Inks
Kerosene
Aliphatic hydrocarbons (nonspecific)
Aromatic hydrocarbons (nonspecific)
Petroleum hydrocarbons (nonspecific)
Chlorinated hydrocarbons (nonspecific)
Oxygenated solvents
Methyl ethyl ketone
Toluol/Toluene
Ethanol
Hexane
Heptane
Acetate
Alcohol
Zylol/Xylene
Butanol
Ethyl acetate
Aromatic naptha
Aliphatic naptha
1,1,1-Trichloroethane
Acetone
Naptha
Trichloroethene
Methylene chloride

Nonwaste Materials Stored
Asphalt Diesel Fuel Gasoline

Source: Environmental Resources Management-North Central, Inc.
Remedial Investigation Report, Revision 1, October 16, 1992


Table 2.

LENZ OIL ORGANIC GROUNDWATER CONTAMINANTS (in ppb).
Contaminant NONAQUEOUS LAYER ON-SITE SHALLOW WELLS INTERMEDIATE WELLS DEEP WELLS Comparison Value Source
WELL G106L WELL MW5S ON-SITE WELLS OFF-SITE WELLS ON-SITE WELLS OFF-SITE WELLS UP GRADIENT FIVE ON-SITE WELLS THREE OFF-SITE WELLS
n=7 range n=3 range N=1 G104D N=2
Benzene ND ND 1 340J ND - ND ND NT 10 NT 1 CREG
Toluene 64,000J ND ND - ND - ND ND NT 4J NT 200 IEMEG child
Ethylbenzene 320,000 45,000J ND - ND - ND ND NT NT NT 700 LTHA/MCL
Xylenes 1,700,000 180,000J ND - ND - ND ND NT NT NT 2,000 IEMEG child
Chloroethane ND ND 1 100J 1 4J ND 5J NT 53 NT NONE -
Vinyl chloride ND ND ND - 1 11J ND 15J NT NT NT 0.2 CEMEG child
1,1-Dichloroethane ND ND 4 2J-28J 1 60 1 4J NT NT NT NONE -
1,2-Dichloroethane ND ND 1 3J ND - ND ND NT NT NT 0.4 CREG
1,1-Dichloroethene ND ND 1 5J 1 5 ND 3J 2J NT 2J 0.06 CREG
Trichloroethene ND ND 1 2J 1 6 ND 3J NT NT NT 3 CREG
Carbon tetrachloride ND ND ND - ND - ND ND 3J NT 3J 0.3 CREG
Tetrachloroethene ND ND ND - 1 2J-3J ND ND 2J NT 2J 0.7 CREG
Naphthalene 210,000J 150,000J 2 460J-800J ND - ND ND NT NT NT 20 LTHA
2-Methylnaphthalene 1,300,000 1,000,000 2 1,800-4,000 ND - ND ND NT NT NT NONE -
Fluorene 100,000 120,000J 2 120J-420J ND - ND ND NT NT NT 400 RMEG child
n-Nitrosodiphenylamine 250,000J ND ND - ND - ND ND NT NT NT 7 CREG
Phenanthrene 250,000J 27,000 3 2J-1,000J ND - ND ND NT NT NT NONE -
Acenaphthene 58,000J ND 1 72J ND - ND ND NT NT NT 600 RMEG child
2,4-Dinitrotoluene 66,000J ND ND - ND - ND ND NT NT NT 20 CEMEG child
Aroclor-1242 30,000J 19,000J 2 56-160 ND - ND ND NT NT NT 0.7 RMEG (1016) child
Aroclor-1260 22,000J 17,000J 2 51-97J ND - ND ND NT NT NT 0.7 RMEG (1016) child

ppb = parts per billion (or micrograms of contaminant per liter of sample).
ND = not detected
J = estimated value
- = not applicable
NT = not tested or sample was unusable



Table 3.

LENZ OIL INORGANIC GROUNDWATER CONTAMINANTS (in ppb).
Contaminant NONAQUEOUS LAYER ON-SITE WELLS SHALLOW WELLS OFF-SITE Intermediate Wells DEEP WELLS Drinking water comparison values UPGRADIENT BACKGROUND WELLS
ON-SITE OFF-SITE ON-SITE OFF-SITE
G106L MW5S n=6 range n=3 range MW7S G102D n=5 range n=3 range value source G101D G101M G101L
Aluminum 21,400 17,100 6 3,320-68,700J 3 1,730J-11,400 5,200J 434J 5 233J-4,940J 3 371-1,280 NONE - 731J 22,700J 940J
Antimony NT NT NT - NT - NT NT 1 13.7J NT - 4 RMEG child NT NT NT
Arsenic 1,900 5,800 6 8.5J-92 3 7.7J-41.7J 6.9J 10.7J 3 3J-5.1J 3 2.1J-5.4J 3 CEMEG child NT 3.3J NT
Barium 146,000 219,000 6 115-1,410J 3 43.7-81.5J 123J 51.8 5 32-117 3 30.7-46.6 700 RMEG child 28.4 126J 23.4
Cadmium 11,200 NT 1 1.6J 1 1.1J NT NT NT - NT - 5 RMEG child NT ND NT
Chromium 5,700 4,600J 6 25.7J-117J 3 13.2J-32.1 17.1 42.2 2 4J-7.2J 2 5.5-6.6 50 (VI) RMEG child NT 38.9J NT
Copper NT 2,200 6 12.4J-212J 3 12.4-102 16.6J 9.2 4 3.2-16J 2 3.7-4 1,300 MCL 3.4 82.9J NT
Lead 107,000 127,000J 6 55.4-564 2 26.3-31 NT NT NT - NT - 15 MCL NT ND NT
Manganese 1,400J 2,300J 6 167-4,650 3 362-614 452J 182 5 86-263 3 57.9-206 50 RMEG child 39.7 2,010 42.4
Mercury NT NT 2 .31J-.57J 1 .24J NT NT NT - NT - NONE - NT ND NT
Nickel 2,100J 1,300J 6 19.6-164J 3 14.9-50.7 20.4J 15.8 4 4.3-14.9 2 4.7-5.3 100 LTHA/MCL NT 76.3J NT
Selenium 180J 370J NT - NT - NT NT NT - NT - 20 CEMEG child NT NT NT
Vanadium 4,300J 810J 6 13-130J 2 15.4-22.1 NT NT NT - 1 3.5 30 IMEG child NT 45.4J NT
Zinc 7,100J 3,300J 6 25.3J-386J 2 44.6J-99.5 48J NT NT - 1 21.9J 2,000 LTHA NT 268J NT

ppb = parts per billion
ND = not detected
J = estimated value
- = not applicable
NT = not testes or sample was unusable


Table 4.

LENZ OIL VOLATILE ORGANIC SOIL CONTAMINANTS (in ppm).
Contaminants Shallow Borings - area not excavated Deep Bores Phase II Bores Drainage Ditch Surface Soil Ditch Sediments Comparison Values(a) Source
n=14 range n=15 range n=38 range n=12 range n=6
Benzene 4 0.008-0.15J 7 0.010-0.039 4 0.004-0.13 ND ND 20 CREG
Ethylbenzene 6 0.008-0.041 6 0.008-1.0 13 0.008J-11.0 1 0.012 ND 5,000 RMEG
Xylenes 4 0.074J-0.39 5 0.041-7.5 16 0.004J-42.0 1 0.07 ND 10,000 RMEG
Toluene 6 0.004J-0.081 4 0.01-4.0 20 0.002J-.05 1 0.011 ND 1,000 IEMEG
1,1,1-Trichloroethane 3 0.003J-0.007 4 0.003J-0.16 26 0.004J-0.12 ND ND NONE NONE
Trichloroethene 6 0.003J-0.22J 3 0.38-0.91 6 0.004J-.011J 1 0.02J ND 60 CREG
Tetrachloroethene 9 0.002J-0.28J 5 0.007-2.8 7 0.006J-0.23J 1 0.041J ND 10 CREG

(a) = values are for child
ppm = parts per million
ND = not detected
J = estimated value



Table 5.

LENZ OIL SEMIVOLATILE ORGANIC and PCB SOIL CONTAMINANTS (in ppm).
Contaminant Phase I Shallow Bores Phase I Deep Bores Phase II Bores Resampled (PCBS Phase I & II) Phase II Shallow Bores - outside excavated area Phase II Deep Soil Bores - outside excavated area Surface Soil Drainage Ditch Sediments Comparison Value* Source
n=15 range n=14 range n=16 range n=11 range n=9 range n=12 range n=6 range
Anthracene 7 0.065J-1.2J 4 0.079J-0.47J 6 0.031J-2.2J 3 0.11J-0.67J 3 0.16J-1.7J 7 0.049J-0.49J 5 0.061J-2.6 600/20,000 RMEG
Naphthalene 5 0.048J-0.240J 6 0.053J-5.2 3 0.067J-10.0 1 2.1 1 0.63J 2 0.09J-0.099J ND - NONE -
Acenaphthene 4 0.11J-0.27J 3 0.11J-0.21J 4 0.064J-1.2J 1 0.15J 3 0.056J-1.1J 2 0.099J-0.1J ND - 100/3,000 RMEG
2-Methylnaphthalene 7 0.061J-0.64 6 0.097J-45.0J 9 0.07J-34.0 2 0.2-2.1 1 0.6J 2 0.17J-0.19J 1 0.46J NONE -
Dibenzofuran 3 0.07J-0.17J 4 0.065J-1.1J 1 0.85J 2 0.044J-0.83J 1 0.83J 3 0.071J-0.1J ND - NONE -
Fluorene 3 0.11J-0.37J 3 0.12J-2.5J 3 0.081J-1.4J ND - 2 0.081J-1.4J 2 0.096J-0.13J ND - 80/2,000 RMEG
Phenanthrene 14 0.077J-2.9J 6 0.13J-3.9 10 0.19J-9.2 4 0.41-2.6 4 0.69-7.3 12 0.13J-1.8J 6 0.4J-12.0 200/5,000 RMEG
Di-n-butyl phthalate ND - NT - 3 0.043J-0.44J 1 0.42J 1 0.28J ND - ND - NONE -
Benzo(a)anthracene 8 0.21J-5.0 3 0.17J-0.34J 4 0.077J-4.9 2 0.2J-1.8J 4 0.42-2.7 9 0.32J-1.3J 6 0.45J-3.8 N0NE -
Chrysene 13 0.072J-5.7 2 0.23J-0.48 8 0.098J-4.3 3 0.22J-1.8J 4 0.35J-2.8 12 0.41J-1.8J 6 0.64-3.2 NONE -
Benzo(b)Fluoranthene 6 0.2J-5.5 2 0.18J-0.31J 4 0.32J-6.2J 2 0.12J-3.3 4 0.54-4.7 11 0.45J-1.8J 6 0.74-2.8 NONE -
Benzo(k)Fluoranthene 6 0.16J-3.9 2 0.11J-0.23J 2 0.16J-3.9J 1 0.18J 1 0.2J 10 0.28J-1.3J 6 0.84-2.1 NONE -
Benzo(a)Pyrene 5 0.098J-4.5 3 0.15J-0.32J 1 4.4J 1 1.7J 4 0.35J-2.3 11 0.26-1.6 6 0.61-2.7 0.1 CREG
Indeno(1,2,3-cd)Pyrene 5 0.56-3.2 1 0.81J NT - 1 0.18J 2 0.26J-0.28J 11 0.23J-1.5J 6 0.54-1.7 NONE -
Benzo(g,h,i)Perylene 5 0.21J-2.6 2 0.082J-0.17 NT - ND - 1 0.26J 11 0.21J-1.6 6 0.52-1.5 NONE -
Aroclor-1242 ND - ND - 17 0.065-12.0 ND - ND - ND - ND - 0.01/3 RMEG (1016)
Aroclor-1248 ND - ND - 2 0.64-5.5 ND - ND - ND - ND - 0.01/3 RMEG (1016)
Aroclor-1254 ND - ND - 9 0.26-9.3 ND - ND - ND - ND - 0.04/1 RMEG
Aroclor-1260 ND - ND - 8 0.083-1.3 ND - ND - ND - ND - 0.01/3 RMEG (1016)

ppm = parts per million
* = values are for pica child/child.
ND = not detected
J = estimated value
- = not applicable
NT = not tested or sample was unusable



Table 6.

LENZ OIL INORGANIC ON-SITE SOIL CONTAMINANTS (in ppm).
Detected
Contaminant
Figure 4-5A Phase I Shallow Bores Table 4-16 Figure 4-5B Phase I Shallow Bores Table 4-16 Figure 4-5C Phase I Deep Bores Table 4-18 Figure 4-5D Phase II Shallow Bores Table 4-19 Figure 4-5E Phase II Deep Bores Table 4-19 Figure 4-6A Surface Soils Samples Table 4-20 Figure 4-6B North Ditch Sediments Table 4-27 Comparison
Values for Children
Source
n= 17 range n=10 range n=13 range n=21 range n=16 range n=12 range n=6 range
Aluminum 9710J-20400 9490J-50,000J 1230-23,400J 3,610-21,200 951-16,800 2180-18,800 6540-36,100 NONE
Antimony 5N
12R
17.3J
one N
8R
63.5J
4N
8R
21-Ns 16N 8.5-44.5 1.8-11.3
4-Ns
20 RMEG
Arsenic 3.2J-12.1J 1.1J-19.0J 9.7J-87.4J 2.6-14.4J 4.2-13.2J 4.7J-79.6 4.7J-18.4J 0.5 CREG
Barium 57.4J-1280 59.1J-3060J 6.6J-412 46.3J-882.0J 70.1-493J 14.2-512.0 73.3-136 4,000 RMEG
Cadmium 1.0J-2.6J 1.4J-2.0J 0.97J-1.3J 1.7-1.9 3.8 15-Ns 12R 6R 40 CEMEG
Chromium (total) 31.8J-96.9J 31.3J-65.2J 6.1J-54.9J 7.9-40.5J 4.1-98.1J 1.3-158 33.8-60.8 300 RMEG
Cobalt 11.9-22.8 5.1-21.6 6.8-28.4 21R 14.6
15R
10.4-31.2 12.2-32.2 NONE -
Copper 18.9-670J 7.0J-234J 3.0J-167J 12.0-268.0J 8J-120J 54.5J-546J 69.1-154J NONE -
Iron 16300J-38400J 17,800-57,200 11,900-53,000 8,750-27,600 6,650J-113,000J 4,230J-33,400J 13400J-30100J NONE -
Lead 87.3J-909J 102J-685J 4.0-561J 13.1-714.0 8.2J-498 75.5J-620J 65.6J-320J NONE -
Manganese 266-1590J 352-683J 270-691J 233J-1,110J 117J-445J 123J-1,130J 612J-816J 7,000 RMEG
Mercury 0.09-0.5J 0.13 0.08J-0.25J 0.12-0.79 0.11-0.38 0.11-0.42 0.2-0.26J NONE -
Nickel 9.5J-47.5 26.2-28.7J 17.5-34.5 9.7-34.2 10.1-34.7 4.8-69.3 6.6-32.9 1,000 RMEG
Selenium 0.55J-0.73J 1.8J 0.25J-2.8J NT NT 0.61J-1.5J 3.2-5.7J 100 CEMEG
Vanadium 20.0-43.4 21.9-77.7 4.6-94.2 11.2-38.4 11.5-27.8 22.2-35.1 22.3-28.9 200 IEMEG
Zinc 61.9-639 62.2J-491J 12.5J-308 34.9-376 16.5-490J 29.7J-654J 116J-284J 20,000 RMEG
Cyanide 0.33-7.7 0.6-7.7 1.7-12.0 NT 8.3J 0.22J-0.73J 0.46J 1,000 RMEG

ppm = parts per million
J = estimated value
N = nondetected value
R = analyses was rejected
- = not applicable
NT = not tested or sample was not usable



Table 7.

LENZ OIL INORGANIC SURFACE WATER (NORTH DRAINAGE DITCH) CONTAMINANTS (in ppb).
Contaminant (Laboratory Detection Limits) Sample Values Drinking Water Comparison Values
Detected Values # of Nondetects # of Rejects Value Source
Aluminum 2890.0
8610.0
8850.0
24700.0
36100.0
0 1 NONE -
Antimony (31.0) 0 6 0 4 Child RMEG
Arsenic (8.0) 0 6 0 3 Child CEMEG
Barium 241.0
991.0
0 4 700 Child RMEG
Beryllium (1.0) 0 4 2 4 MCL
Cadmium (1.0) 20.0 5 0 5 Child RMEG
Chromium (2.0) 12.2
14.8
41.0
73.6
1 1 2 CLHA
Cobalt (3.0) 0 1 5 NONE -
Copper (6.4) 30.9
48.4
79.0
208.0
1 1 1300 MCL*
Lead (2.0) 2.1J
2.2J
4 0 15 MCL*
Manganese 123.0
352.0
407.0
700.0
2160.0
9290.0
0 0 50 Child RMEG
Mercury (0.2) 0 6 0 NONE -
Nickel 45.1
94.9
0 4 100 MCL
Selenium (3.0) 0 6 0 20 Child CEMEG
Silver (5.0) 0 5 1 50 Child RMEG
Thallium (5.0) 0 6 0 2 MCL
Vanadium (3.0) 67.5 1 4 30 Child IEMEG
Zinc 21.2
93.4
163.0
170.0
432.0
2460.0
0 0 2000 LTHA
Cyanide (10.0) 0 6 0 2 CLHA

ppb = Parts per billion (or micrograms per liter).
CHLA = Child Longer Term Health Advisory for drinking water (EPA).
MCL* = USEPA drinking water "action level" for public water supplies.
J = Estimated value.
- =not applicable


Table 8.

LENZ OIL ORGANIC CONTAMINANTS OF CONCERN.
CONTAMINANT NONAQUEOUS LAYER MONITORING WELLS SOIL SAMPLES FROM NORTH DRAINAGE DITCH
Shallow Intermediate Deep Borings
On-Site Off-Site On-Site Off-Site Background On-Site Off-Site On-Site Surface Water Surface Soil Sediments
Benzene X X 15B
Toluene X B 30B B
Ethylbenzene XX 25B B
Xylenes XX 25B B
Chloroethane D D D D
Vinyl chloride X X
1,1-Dichloroethane DDDD D D D 9D
1,2-Dichloroethane* X BBB
1,1-Dichloroethene X X X X X
Trichloroethene* B X X 15B B
1,1,1-Trichloroethane* B B B B 33D
Carbon tetrachloride X X
Tetrachloroethene XX X X 21B B
Naphthalene XX XX 18D
2-Methylnaphthalene DD DD 27D D
Anthracene 30B 5B
Benzo(a)anthracene 30D 6D
Chrysene 42D 6D
Benzo(b)fluoranthene 20D 6D
Benzo(k)fluoranthene 22D 6D
Benzo(a)pyrene 25X 6X
Indeno(1,2,3-cd)pyrene 20D 6D
Benzo(g,h,i)perylene 20D
Fluorene XX BX 13D
Dibenzofuran D 14D
Phenanthrene DD DDD 56D 6D
Acenaphthene X B 17D
2,4-Dinitrotoluene X
Di-n-Butylphthalate D D D D D 5D
Aroclor-1242 XX XX
Aroclor-1248 3X
Aroclor-1254 10X
Aroclor-1260 XX XX

KEY: X=ABOVE ENVIRONMENTAL MEDIA GUIDELINE
D=DETECTED BUT NO GUIDELINE ESTABLISHED
B=DETECTED BUT BELOW GUIDELINE
MULTIPLE DETECTIONS DEPICTED BY MULTIPLE LETTERS OR NUMBER PRECEDING LETTER
BLANK=NOT DETECTED
*=DETECTED IN SOIL GAS SURVEY

Table 9.

LENZ OIL INORGANIC CONTAMINANTS OF CONCERN.
Contaminant Nonaqueous Layer
2 samples
MONITORING WELLS SOIL SAMPLES FROM NORTH DRAINAGE DITCH
Shallow Intermediate Deep 77 Borings
6 On-Site 3 Off-Site 2 Off-Site 5 On-Site 3 Off-Site On-Site 12 Surface Soils 6 Sediments 6 Surface Waters
Aluminum DD DDDDDD DDD 2D 5D DDD 77D 12D 6D 5D,1R
Antimony 1X 1X,1B,47N,28R 1X,2B 2B,4N 6N
Arsenic XX XXXXXX XXX 2X 3X XXB 67X,10N 10X,2N 3B,3N 6N
Barium XX XBBBBB BBB 2B 5B BBB 67B,10R 12B 6B 1X,1B,4R
Cadmium X B B 20B,35N,22R 12R 6R 1X,5N
Chromium XX XXBBBB BBB BB 2B BB 77B 12B 6B 4X,1N,1R
Cobalt 41D,36R 8D,4N 6D 1N,5R
Copper X BBBBBB BBB BB 4B BB 72D,5N 12D 6D 4B,1N,1R
Lead XX XXXXXX XX 77D 12D 6D 2D,4N
Manganese BB BBBBBB BBB BB 5B BBB 77B 12B 6B 6X
Mercury BB B 26D,51N 5D 4D 6N
Nickel XX XBBBBB BBB BB 4B BB 54B,19N,4R 12B 6B 2B,4R
Selenium XX X 7B,55N,15R 2B,10N 4B,1N,1R 6N
Vanadium BB BBBBBB BB B 64B,1N,12R 4B,8N 2B,4N 1X,1N,4R
Zinc XX BBBBBB BB B 77B 12B 6B 1X,5B
Cyanide 22B,47N,8R 6B,6N 1B,5N 6N

KEY: X=ABOVE COMPARISON VALUE (ENVIRONMENTAL MEDIA GUIDELINE FOR CHILD)
B=DETECTED BUT BELOW GUIDELINE
D=DETECTED BUT NO GUIDELINE ESTABLISHED
N=NOT DETECTED
R=SAMPLE REJECTED
BLANK = NOT TESTED


Table 10.

SUMMARY OF LENZ OIL SOIL GAS INVESTIGATION IN (May 19, 1987).
Contaminant Highest
Concentration (ppm*)
1,1-Dichloroethane 444

Methylene chloride

108
Benzene 33
Xylenes 466
Toluene 690
Total hydrocarbons 9308 mg/m3

Table 11.

SUMMARY OF LENZ OIL OFF-SITE AIR SAMPLING OF VOCs (1987).
Air Monitoring Location
Sampling
Date
Downwind
94th & Madison
Upwind
Mt.Assisi
Chicago
160 N.LaSalle
Wind Direc-
tion/Speed
7/13-14 1.16 ppm1 1.58 ppm 1.35 ppm NW 9 mph
7/14-15 1.17 1.05 0.97 W 6 mph
7/15-16 0.78 1.96 0.91 NE 8 mph
7/20-21 1.48 1.82 1.57 W 12 mph
7/21-22 0.97 1.58 1.75 SW 8 mph

7/24-252

1.03 1.59 1.47 SW 6 mph
Average
Concentration
1.10 1.50 1.34

1ppm = parts per million
2Digging for trial burn, SW wind toward 94th & Madison

Table 12.

USEPA TOXIC CHEMICAL RELEASE INVENTORY (TRI) SUMMARY FOR LENZ OIL HAZARDOUS WASTE SITE (Values reported in estimated pounds released per year).
Chemical Released Medium 1987 1988 1989 1990 1991
Acetone Air 6264 9210 10342 13447 6945
Land 250
Aluminum oxide Air 320000 463600
Ammonia Air 7829 6271 14773 61165 2000
Water 69080 45787 24445 11315 27000
Land 250 1728 1074
Benzene Air 64000 80413 89828 70103 32700
Water 28 27
Land 250
1,3-Butadiene Air 50 41 15 17 1
Butyl acrylate Air 500 500 500 500 500
Chlorine Air 3550 250 3727 4300 6600
Chromium compounds Air 900 265 65 59 38
Water 680 475 675 514 610
Land 220 6825 3377
Cobalt compounds Water 120
Land 250
Cyclohexane Air 16000 12842 8010 7768 2700
Water 5
Dibutyl phthalate Air 500 500 500 500 500
Dichloromethane Air 750 750 1000
Ethyl acrylate Air 500 500 500 500 500
Ethylbenzene Air 20550 20804 20284 10442 4000
Water 500 250 51 94
Land 500
Ethylene Air 7750 8406 9144 9339 4200
Ethylene glycol Air 185
Ethylene oxide Air 132599 97518
Freon Air 10550 12620 12420
Glycol ethers Air 500 500 500 500 500
Hydrochloric acid Air 68700 65500 70000 80120 771453
Land 2600 2600 2600 2600
Hydrogen fluoride Air 7700 7825 6800 7826 6700
Water 250
Lead compounds Air 60 51 68
Water 930 950 784 1028 980
Land 130 759 374
Methanol Air 1838 2511 2281 2877 1463
Methylethylketone Air 4350 4694 6550 6700 8480
Methylmethacrylate Air 500 500 500 500 1000
Molybdenum trioxide Water 1285 1200
Naphthalene Air 18000 8070 7453 3049 1130
Water 10 10
Land 250 262
Nickel compounds Air 1850 750 750 159 210
Water 580 490 642 610
Land 250 142
Nitric acid Air 3850 3670 3650 3650
Land 390 390 250 250
Phenol Air 170 11972 3934 1331 1301
Water 340 361 354 537 340
Land 250 29 12
Phosphoric acid Air 1080 841 761 760 250
Propylene Air 12750 750 8930 9451 3290
Propylene oxide Air 998 700
Sodium hydroxide Air 250 250
Water 16011 16000
Land 630 630
Sulfuric acid Air 3420 1868 2300 2055 250
Land 710 710 750 250
Styrene Air 25336 25165 24265 24051 43255
Water 250 250 250 250 250
Land 6600 250 250
Toluene Air 20900 117619 139101
Trichloroethylene Air 19869 37466 26134 34000 15000
1,1,1-Trichloroethane Air 158000 96200 156900 96199 15424
Water 24 23
1,2,4-Trimethylbenzene Air 5500 5486 468 3815 3410
Water 5
Land 250
Xylene Air 73000 82230 65400 34506 15050
Water 5
Zinc Air 500 750 505 505
Water 250 250 250 10 5
Land 250

BLANK = NO REPORTED RELEASE TO THAT MEDIUM



Table 13.

Maximum Concentrations of Identified Contaminants Detected in Lenz Oil On-Site Surface and Subsurface Soils Before and After Incineration.
Contaminant Prior-Highest
Concentration (ppm**)
Date Reference After-Highest*
Concentration (ppm**)
Benzene 8.5 01/23/87 21 0.130
Xylenes 2000.0

01/23/87

21 42
Dimethylbenzene 680 01/23/87 21
Toluene 890.0 01/23/87 21 10
Ethylbenzene 520.0 01/23/87 21 11

Ethylmethylbenzene

220 01/23/87 21
Trimethylbenzene 150 01/23/87 21
1,2-Dichlorobenzene 34.0 01/23/87 21 1.9
Chloroethane 0.21 10/29/85 23
trans-1,2-Dichloroethene 80.0 01/23/87 21 1.1
1,1-Dichloroethane 68.0 10/29/85 23 0.15
Methylene chloride 22.0 01/23/87 21 0.96
1,1,1-Trichloroethane 22.1 10/29/85 23 0.16
Tetrachloroethene 15.3 10/29/85 23 2.8

Trichloroethene

0.005 10/29/85 23 0.91
trans-1,3-Dichloropropene 0.014
Acenaphthalene 1.2

Anthracene

2.2
Fluoranthene 200.0 01/23/87 21 13
Phenanthrene 170.0 01/23/87 21 9.1
Naphthalene 30.0 10/29/85 23 26
Methylnaphthalene 14 01/23/87 21
2-Methylnaphthalene 65.0 10/29/85 23 45
Dimethylnaphthalene 15 01/23/87 21
Trimethylnaphthalene 11 01/23/87 21

Ethylnaphthalene

15

01/23/87

21
Benzo (a) anthracene 4.9
Dibenzofuran 2.4
Fluorene 2.5
Pyrene 12
Polychlorinated Biphenyls 15.0 10/29/85 23
Aroclor-1242 12
Aroclor-1254 9.3
Aroclor-1260 1.3

Table 13 (continued).

Contaminant Prior-Highest
Concentration (ppm**)
Date Reference After-Highest*
Concentration (ppm**)
Butylbenzylphthalate 3.2

Bis (2-ethylhexyl) phthalate

7.4
Chrysene 5.7
Benzo (b) fluoranthene 6.2
Benzo (K) fluoranthene 3.9
Benzo (a) pyrene 4.5
Benzo (g,h,i) perylene 2.6
Indeno (1,2,3,c,d) pyrene 3.2
Isophorone 3.5
gamma-BHC 0.0075
gamma-Chlordane 0.0024
Aldrin 0.018
DDE 0.053
DDD 0.26
DDT 0.38
Di-n-butylphthalate 0.42
Phenol 5.2
2,4-Dimethylphenol 0.57
Chloroform 0.006
Acetone 1.6
2-Butanone 0.36
Carbon disulfide 0.11
Beryllium 1.0
Cadmium 3.8
Chromium (total) 98.1
Cobalt 28.4
Copper 670
Lead 890.0 1/23/87 21 909
Magnesium 104,000
Zinc 639
------------------------------------------------------------------------------------------------

* = From Feasibility Study Report, November, 1992, ERM-North Central, Inc.
ppm** = parts per million

Table 14.

Lenz Oil Completed Exposure Pathways
PATHWAY NAME EXPOSURE PATHWAY ELEMENTS
SOURCE ENVIRONMENTAL MEDIA POINT OF EXPOSURE ROUTE OF EXPOSURE EXPOSED POPULATIONS TIME
Site Wastes Collected Wastes Contaminated Soil Daily operations Inhalation/Direct Contact Workers Past
Fugitive dusts and/or fumes onto neighboring properties
Tracking of wastes on roads
Inhalation Downwind residents Past
Present
Groundwater Surface Waste
Contaminated soil
Groundwater Use of contaminated well water Ingestion/Inhalation Residents with downgradient private wells Past
Inhalation Residents using wells for nonpotable purposes Present
Surface Water Surface wastes
Contaminated soil
Groundwater discharge
Surface Runoff
Surface water
Northern drainageway
Des Plaines River
Inhalation/Direct Contact/Ingestion Individuals using surface water for recreation or drinking water Past
Present
Future

Table 15.

Potential Exposure Pathways
PATHWAY NAME EXPOSURE PATHWAY ELEMENTS
SOURCE ENVIRONMENTAL MEDIA POINT OF EXPOSURE ROUTE OF EXPOSURE EXPOSED POPULATIONS TIME
Groundwater Surface wastes
Nonaqueous layer
Contaminated soils
Contaminated surface water
Groundwater New wells
Surface water use
Ingestion
Inhalation
Residents downgradient or downstream Future
Indoor air Indoor air Residents with basements
Sediments Contaminated soil
Surface water
Surface runoff
Air deposition
Sediment receiving settling contaminants North drainageway Ingestion
Direct contact
Fishermen
Hunters
Waders
Past
Present
Future
Des Plaines River Ingestion
Direct Contact
Dredging workers
Downstream use of water
Future
Soil Subsurface contamination
Nonaqueous layer
Surface and subsurface soil On-site activities Inhalation
Direct Contact
Workers
Trespassers
Present
Future

APPENDIX B - Figures 1-7

The figures are taken from reports cited on each figure and in the references, and are maps of the site and surrounding areas.

Figure 1: Lenz Oil Site Location Map
Figure 2: Lenz Oil Land Use Map
Figure 3: Preremediation Site Features
Figure 4: Postremediation Site Features
Figure 5: Lenz Oil Monitoring Well Locations
Figure 6: Soil Sample Locations
Figure 7: Sediment & Surface Soil Sampling Locations


Figure 1: Lenz Oil Site Location Map


Figure 2: Lenz Oil Land Use Map


Figure 3: Preremediation Site Features


Figure 4: Postremediation Site Features


Figure 5: Lenz Oil Monitoring Well Locations


Figure 6: Soil Sample Locations


Figure 7: Sediment & Surface Soil Sampling Locations


Table of Contents

  
 
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