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PUBLIC HEALTH ASSESSMENT

SANGAMO ELECTRIC DUMP/CRAB ORCHARD NATIONAL WILDLIFE REFUGE
(a/k/a CRAB ORCHARD NATIONAL WILDLIFE REFUGE)
CARTERVILLE, WILLIAMSON COUNTY, ILLINOIS


TABLES

Table 1. Site Descriptions - Crab Orchard Refuge
SITE NO.
OPERABLE UNIT
SITE DESCRIPTION
17
PCB
 Job Corps Landfill
28
PCB
 Water Tower Landfill
32
PCB
 Area 9 Landfill
33
PCB
 Area 9 Building Complex
15
METALS
 Area 7 Plating Pond
22
METALS
 Old Refuge Shop Drainage Pool
29
METALS
 Fire Station Landfill
COC-3
EXP/MUN
 Crab Orchard Cemetery -wooded area and wastepile
COC-6
EXP/MUN
 Crab Orchard Cemetery -fenced, triangular shaped area pitted with several depressions
COC-9
EXP/MUN
 Crab Orchard Cemetery -wooded area with several pits surrounded by cropland
COP-1
EXP/MUN
 Previous Ordnance Plant area -man-made impoundment
COP-2
EXP/MUN
 Previous Ordnance Plant area -old lagoon area
COP-4
EXP/MUN
 Previous Ordnance Plant area -former land mine disposal area; old railroad bed
10
MISC
 Drainage Channel North of Refuge Waterworks Facility
14
MISC
 Area 14 Solvent Storage Drainage Channel
16
MISC
 Area 7 Industrial Site
22A
MISC
 Post Treating Facility at the Old Refuge Shop Site
36
MISC
 Refuge Waste-Water Treatment Plant


Table 2. Maximum Concentrations of Subsurface Soil Contaminants - Crab Orchard Refuge (mg/kg)
CONTAMINANT

STUDY AREA/SITE NO.
Comparison Values4
171 281 321 331 221 291 142 162 22A2 362 COC33 COP43
mg/kg (ppm)
Source
PCBs 50,000 8,900 88,000 120,000 ND 2.57 ND 0.16 0.14 0.25 ND ND
0.09
CREG
Lead 17,414 4300 20,500 66 410 85,900 150 ND 26 20.7 4,250 421
1,000
IDPH
Cadmium 57 8 18 ND 136 10 ND 4.2 ND 0.02 9.98 5.10 40(child)/500(adult) EMEG
Arsenic 28 90 12 84 ND 60 ND ND ND 15.1 9.86 ND
0.5
CREG
Manganese 1650 1270 461 232 ND 1030 ND ND 1600 ND 4030 ND
7000(c)/100,000(a)
RMEG
Antimony 300 ND 61 3.6 ND ND ND ND ND ND 596 ND
20(c)/300(a)
RMEG
Dioxin/Furan (TEFs) ND ND 0.006 0.022 ND ND ND ND 0.0004 0.00002 ND ND
1
ATSDR
PAHs (TEFs) ND ND 0.03 ND ND ND ND ND 0.53 0.0003 ND ND
0.1
CREG
2-Chloronaphthalene ND ND ND 6820 ND ND ND ND ND ND ND ND
NONE
 NONE

Reference: 1-1(1988); 2-17(1995); 3-18(1994); 4-21(July 1995)
ND = Not Detected
mg/kg = milligrams of contaminant per kilogram of soil


Table 3. Maximum Concentrations of Explosives in Subsurface Soil Samples - Crab Orchard Refuge (mg/kg)
CONTAMINANT
STUDY AREA/SITE NO.
COMPARISON VALUES
COC-3
COP-4
mg/kg (ppm)
Source
2,4,6-trinitrotoluene (TNT)
223,000
77,000
20
CREG
1,3,5-trinitrobenzene (TNB)
50.5
179
3 (child)/40 (adult)
RMEG
2,Amino-4,6-DNT
2.62
2.67
1
CREG
HMX
ND
10,800
3,000 (C)/40,000 (A)
EMEG
RDX
ND
85,600
6
CREG

mg/kg = milligrams per kilogram
Reference - 18 (1994)
ND = Not Detected


Table 4. Maximum Concentrations of Contaminants selected for evaluation Identified in Sediments - Crab Orchard Refuge (mg/kg)
CONTAMINANT
STUDY AREA/SITE NO.
COMPARISON VALUES5
171
321
331
COL1
151
221
103
143
163
363
COC-94
COP-14
mg/kg (ppm)
Source
PCBs
607
23
6367
0.29
0.42
ND
ND
ND
ND
130
ND
ND
0.09
CREG
Lead
5,722
5,573
-
9.7
52
166
ND
16
ND
753
ND
89.3
1,000
IDPH
Cadmium
49
2.1
-
2.4
ND
780
ND
ND
ND
479
14.4
ND
40(child)/500(adult)
EMEG
Chromium
ND
105
-
14
508
889
ND
24.8
ND
245
ND
642
300(c)/4,000(a)
RMEG*
Arsenic
ND
22
-
4.7
60
40
13.3
ND
ND
16
26.1
ND
0.5
CREG
Cyanide
ND
ND
-
4.1
ND
181
ND
ND
ND
ND
ND
ND
1,000(c)/10,000(a)
RMEG
Manganese
ND
1,960
-
3,050
498
732
560
ND
ND
-
ND
ND
7,000(c)/100,000(a)
RMEG
Antimony
ND
ND
-
ND
20
ND
ND
ND
ND
59.6
6.64
ND
20(c)/300(a)
RMEG
Dioxin/Furan (TEFs)
ND
ND
-
.0000001
ND
.000022
ND
ND
ND
.0004
ND
ND
1
ATSDR
PAHs (TEFs)
ND
ND
-
ND
ND
ND
0.65
ND
ND
5.8
ND
ND
0.1
CREG
2,4,6-TNT
ND
ND
-
ND
ND
ND
ND
ND
ND
ND
21.1
ND
20
CREG

mg/kg = milligram per kilogram
- = not analyzed
Reference: 1=1(1988); 2=20(1994); 3=17(1995); 4=18(1994); 5=21(July 1995)
ND = Not Detected; (-) = Not Reported; COL = Crab Orchard Lake
* = Comparison Value for Chromium VI


Table 5. Maximum Concentrations of Contaminants Selected for Evaluation Identified in Groundwater Crab Orchard Refuge (µg/L)
CONTAMINANT
STUDY AREA/SITE NO.
COMPARISON VALUES4
171
281
321
331
151
221
291
142
22A2
COC-93
COC-33 COP-43
up/l (ppb)
Source
PCBs 11.0 ND .044 .114 .01 ND ND ND .0005
ND
ND
ND
0.005
CREG
Lead 55 76 12 11 22 6.6 8.2 ND ND
ND
316
341
15
MCL
Cadmium ND 7.4 ND ND ND 25 ND ND ND
400
430
40
5
MCL
Chromium 139 165 92 113 15 21 8.2 ND ND
ND
ND
707
100
MCL*
Arsenic 4.7 30 5.9 10 7.6 ND 8.9 ND ND
114
32.7
77.4
0.02
CREG
Manganese ND 2,780 ND ND ND ND 1,790 ND ND
1,460
19,300
2,880
50(Child)/200(Adult)
RMEG
Antimony ND ND ND ND ND ND ND 71.1 ND
ND
ND
530
6
MCL
Dioxin/Furan (TEFs) ND ND ND ND ND ND ND ND 0.006
ND
ND
ND
0.00001(C)/0.00004(A)
EMEG
PCP 19 ND ND ND ND ND ND ND ND
ND
ND
ND
0.3
CREG
Ethylbenzene ND ND ND ND ND ND ND 3500 ND
ND
ND
ND
700
MCL
1,2-Dichloroethene ND ND ND 404 ND ND ND ND ND
ND
ND
ND
70
MCL
Trichloroethene ND ND ND 906 ND ND ND ND ND
ND
ND
ND
3
CREG
Nitrobenzene 11.4 ND ND ND ND ND ND ND ND
ND
1.77
ND
5(C)/20(A)
RMEG
1,3,5-TNB ND ND ND ND ND ND ND ND ND
ND
7.44
ND
0.5(C)/2(A)
RMEG
2,4,6-TNT ND ND ND ND ND ND ND ND ND
0.75
1.19
ND
1
CREG
2-Amino-4-6-DNT ND ND ND ND ND ND ND ND ND
ND
18.8
ND
0.05
CREG
RDX ND ND ND ND ND ND ND ND ND
ND
0.41
1.99
0.3
CREG

µg/L = micrograms per liter
Reference: 1=1(1988); 2=17(1995); 3=18(1994); 4=21(July 1995). ND = Not Detected. * = Comparison Value for Chromium VI.


Table 6. Maximum Concentrations of Contaminants Selected for Evaluation Identified in Surface Water - Crab Orchard Refuge (µg/L)
CONTAMINANT
STUDY AREA/SITE NO.
COMPARISON VALUES4
COL1 171 102 142 362 COP-13 COC-33 COC-93
up/l (ppb)
Source
PCBs 28 0.06 ND ND 0.31
ND
ND
ND
0.005
CREG
Cadmium 3.4 ND ND ND 14.4
3.0
ND
ND
5
MCL
Arsenic 3.4 ND ND ND 6.2
ND
ND
ND
0.02
CREG
Manganese 280 20 287 461 673
110
ND
6,540

50(child)
200(adult)
RMEG
Trichloroethene ND ND 46 ND ND
ND
ND
ND
3
CREG
RDX ND ND ND ND ND
1.86
ND
ND
0.3
CREG

µg/L = micrograms per liter
Reference: 1=1(1988); 2=17(1995); 3=18(1994); 4=21(July 1995)
ND = Not Detected; COL = Crab Orchard Lake


Table 7. Airborne Concentrations of PCBs and Metals Measured at Selected Sites - Crab Orchard Refuge (µg/me)
Site
Background
Area 9 Landfill
Area 9 Building Complex
Fire Station Landfill
Comparison Values
Contaminant
Fine
Coarse
Fine
Coarse
Fine
Coarse
Fine
Coarse
µg/me
Source
Lead .0064 .0021 .004 .0018 .015 .0019 .0046 .0013
---
---
Cadmium .0031 .0033 ND ND ND ND ND ND
0.0006
CREG
Chromium .0005 .0007 .0004 .0004 ND .0006 ND .0005
0.00008
CREG
Arsenic .0007 .0004 .0013 .0003 .0008 ND .0004 ND
0.0002
CREG
PCBs
0.00019
0.611
0.0099

NA

NONE

NONE

µg/ me = micrograms per cubic meter
Reference: 12
ND = Not Detected (Below Detection Level)
NA = Not analyzed


Table 8. Range of Contaminant Concentrations Detected at Perimeter Ambient Air Monitoring Stations - Crab Orchard Refuge (µg/me)
CONTAMINANT
CONCENTRATION (µg/me)
4/95 - 11/95
1/96 - 6/96
7/96 - 11/96
Lead
0.0010 - 0.0182
0.0004 - 0.0216
0.0004 - 0.0701
Cadmium
ND - 0.0008
ND - 0.0007
ND - 0.0009
PCBs
ND - 0.0780
NA
NA
Dioxins/Furans
ND - 0.000003
NA
NA

µg/me = micrograms per cubic meter
Reference: 34
ND = Not Detected (Below Detection Level); NA = Not Analyzed For


Table 9. Fish Monitoring Data Summary - Crab Orchard Lake
Species Date Collected Yearly Avg. PCB Concentration (Fillet) mg/kg (ppm) Number of Samples Average Sample Weight (lb)
WEST OF RT. 148
Catfish
1976
2.00
5
5.0
 
1987
0.44
1
3.3
 
1988
0.45
1
5.0
Carp
1976
0.91
5
2.8
 
1985
<0.05
2
2.5
 
1987
0.62
1
3.0
 
1988
0.44
2
2.4
Large Mouth Bass
1976
0.14
7
2.6
 
1985
<0.05
1
2.8
 
1987
<0.05
1
2.9
 
1988
0.13
1
1.8
Bullhead
1976
0.55
2
0.6
 
1985
<0.05
1
0.6
 
1988
<0.10
1
0.3
Bluegill Sunfish  
<0.05
2
0.2
 
1988
0.12
1
0.2
EAST OF RT. 148
Catfish
1976
2.85
3
5.4
 
1985
0.59
3
7.7
 
1986
3.2
2
3.6
 
1987
4.5
1
7.8
 
1988
1.4
1
4.8
Carp
1976
1.75
5
2.7
 
1985
1.85
6
3.3
 
1986
0.71
4
4.0
 
1987
0.87
2
1.9
 
1988
0.72
2
2.4
 
1996
0.64
2
2.2
Large Mouth Bass
1976
0.45
7
2.7
 
1985
0.25
3
2.8
 
1986
0.60
2
2.4
 
1987
0.21
1
1.6
 
1988
0.37
1
2.3
Bullhead
1976
0.39
4
0.7
 
1986
0.21
2
1.1
 
1988
0.12
1
0.4
Bluegill Sunfish
1976
0.16
2
0.3
 
1988
<0.10
1
0.3
Crappie
1983
0.53
1
0.2

Reference: Illinois Interagency Program by IDNR, IEPA & IDPH in (1).


Table 10. Completed and Potential Exposure Pathways
Completed Exposure Pathway    
Pathway Name: Source Medium Exposure Point Exposure Route Receptor Population Time of Exposure Exposure Activities Estimated Number Exposed Chemicals (identify by name or reference to tables in document)
Consumption of PCB-Contaminated Fish Crab Orchard Refuge Site 9--Landfill Fish Meal Ingestion Individuals eating contaminated fish Past Eating fish caught in Crab Orchard Lake About 300 people PCBs
Potential Exposure Pathways    
Contaminated Surface Soil Site Surface Soil Site Soils Ingestion
Dermal Contact
Inhalation		 Refuge Employees, Site Workers Hunters/Hikers, Site Trespassers Past
Present		 Inhalation of contaminated dusts; skin contact with contaminated soils; incidential ingestion by smoking/eating N/A PCBs, Lead, Explosives
Surface Water/

Sediment

Site Surface Water/

Sediment

Crab Orchard Lake & Drainage Areas Ingestion
Dermal Contact
Inhalation		 Refuge Recreational Users, Refuge Employees, Industrial Workers, Marion Penitentiary Past
Present
Future		 Ingestion or inhalation by past Crab Orchard water users; dermal exposure/incidential ingestion by swimmers/boaters N/A PCBs
Private Well Site Groundwater Residences tap Ingestion
Inhalation
Dermal Contact		 Occupants utilizing groundwater from a private well Future Ingestion; Inhalation/Dermal Contact from showering/bathing N/A PCBs, VOCs
Ambient Air Site Air On-Site; Downwind of Incinerator Inhalation Refuge Employees, Site Workers, Hunters/Hikers, Site Trespassers, Nearby Residents Past
Present
Future		 Working near contaminated sites, Living near Refuge Downwind of Incinerator N/A PCBs, Lead, Cadmium, Dioxin


ATTACHMENTS

Site Location
Figure 1. Site Location

Site Area Map
Figure 2. Site Area Map

Approximate Sampling Locations
Figure 3. Approximate Sampling Locations

Cemetery and Plant Sites
Figure 4. Cemetery and Plant Sites

Job Corps Landfill
Figure 5. Job Corps Landfill

Approximate Locations of Refuge Area Wells
Figure 6. Approximate Locations of Refuge Area Wells

Fish Sampling Locations
Figure 7. Fish Sampling Locations

Air Monitoring Stations
Figure 8. Air Monitoring Stations

Table of Contents


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