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PETITIONED PUBLIC HEALTH ASSESSMENT ADDENDUM

SHAFFER EQUIPMENT COMPANY
MINDEN, FAYETTE COUNTY, WEST VIRGINIA


Table 5.

OFF-SITE SEDIMENT CONTAMINATION IN ARBUCKLE CREEK
CONTAMINANT SEDIMENT REFERENCES COMPARISON VALUE
(mg/kg) AND SOURCE
CONCENTRATIONS (mg/kg)
UPSTREAM OF SEC DOWNSTREAM OF SEC
maximum minimum lowest positive maximum
VOLATILES            
methylene chloride ND

ND

ND

ND

40

93, CREG, "B2"
acetone 0.160B ND 0.033B 0.033B 40 5000, Rfd
1,1-dichloroethane ND ND ND ND 40 Est 5000, RFD, "C"
1,1,1-trichloroethane ND ND ND ND 40 Est 4500, Rfd, "3"
SEMIVOLATILES            
phenol ND ND ND ND 40 30000, Rfd
1,4-dichlorobenzene 0.630 ND 0.140J 0.150 40 Est 29, oral slope, "C"
4-methylphenol ND ND ND ND 40 Est 2500, Rfd
benzoic acid ND ND ND ND 40 200000, Rfd
1,2,4-trichlorobenzene ND ND 0.160J 0.160J 40 Est 500, Rfd
napthalene 0.059J ND ND ND 40 Est 2000, Rfd, "D"
4-chloroaniline 0.940 ND ND ND 40 200, Rfd
2-methylnaphthalene 0.240J 0.066 0.066J 0.098J 40 N/A
acenaphthylene ND ND ND ND 40 N/A
acenaphthene 0.094J ND 0.047J 0.047J 40 3000, Rfd
dibenzofuran 0.100J ND ND ND 40 N/A
fluorene 0.140 ND 0.064J .064J 40 2000, Rfd, "D"
pentachlorophenol ND ND ND ND 40 5.8, CREG, "B2"
phenanthrene 1.300 0.096J 0.096J 0.600J 40 Est 1500, Rfd
anthracene 0.290J ND 0.087J 0.100J 40 15000, Rfd
fluoranthene 2.100 0.110J 0.110J 0.830 40 2000, Rfd, "3"
pyrene 2.000 0.099J 0.099J 0.750 40 1500, Rfd, "3"
butylbenzyl phthalate 0.280J ND 0.051J 0.051J 40 10000, Rfd, "3"
benzo(a)anthracene 0.870 0.048J 0.048J 0.330J 40 Est 0.83, oral slope, "B2"
chrysene 1.100 0.082J 0.082J 0.390J 40 Est 27, oral slope, "B2"
bis(2-ethylhexyl)phthalate 4.000 0.270J 0.270J 1.000 40 50, CREG, "B2"
di-n-octyl phthalate 0.170J ND 0.066J 0.066J 40 N/A
benzo(b)fluoranthene 1.400 0.065J 0.065J 0.400J 40 Est 0.86, oral slope, "B2"
benzo(k)fluoranthene 0.970 ND 0.240J 0.270J 40 Est 1.83, oral slope, "B2"
benzo(a)pyrene 0.830J 0.056J 0.056J 0.310 40 Est 0.12, CREG, "B2"
indeno(1,2,3-cd)pyrene 0.370J ND 0.140J 0.140J 40 Est 0.52, oral slope, "B2"
dibenz(a,h)anthracene ND ND ND ND 40 Est 0.11, oral slope, "B2"
benzo(g,h,i)perylene 0.290 ND 0.110J 0.130J 40 Est 5.46, oral slope, "3"
PCBs            
aroclor 1260 ND ND 5.200 5.200 40 0.091, CREG, "B2"

Sampling date for all samples is March 1990.
Upstream sample size = 2 (Sample numbers CDF47, CDF48)
Downstream sample size = 3 (Sample numbers CDF49, CDF50, CDF51)
ug/kg = micrograms per kilograms
B = Not detected substantially above the level reported in laboratory or field blanks.
J = Analyte present. Reported value may not be accurate or precise.
ND = Not detected.
N/A = Currently none available
"B2" = EPA classified probable human carcinogen
"C" = EPA classified possible human carcinogen
"D" = EPA--inadequate data to evaluate carcinogencity
"3" = IARC Group--not classifiable as to carcinogenicity
Est = Estimated comparison value from Rfd or oral slope factor
minimum = Lowest concentration of contaminant sampled for all evaluated samples in the table.
lowest positive = If a contaminant is detected, this would be the lowest concentration found for the contaminant that is above "not detected".
maximum = Maximum concentration of contaminant detected for all evaluated samples in the table.


Table 6.

PUBLIC WATER SUPPLIES RAW WATER SOURCE CONTAMINATION
CONTAMINANT PUBLIC RAW WATER SOURCE INTAKES REFERENCES COMPARISON VALUE
(ug/l) AND SOURCE
MAXIMUM CONCENTRATIONS (ug/l)
ROCKLICK MINE MINDEN MINE
VOLATILES        
methylene chloride 2.00B 2.00B 40 4.7, CREB, "B2"
acetone ND ND 40 1000, Rfd
1,1-dichloroethane ND ND 40 Est 1000, Rfd, "C"
1,1,1-trichloroethane ND ND 40 200, LTHA, "3"
SEMIVOLATILES        
phenol ND ND 40 6000, Rfd
1,4-dichlorobenzene ND ND 40 75, LTHA, "C"
4-methylphenol ND ND 40 Est 500, Rfd
benzoic acid ND ND 40 40000, Rfd
1,2,4-trichlorobenzene ND ND 40 9 LTHA
napthalene ND ND 40 20, LTHA, "D"
4-chloroaniline ND ND 40 40, Rfd
2-methylnapthalene ND ND 40 N/A
acenaphthylene ND ND 40 N/A
acenaphthene ND ND 40 600, Rfd
dibenzofuran ND ND 40 N/A
fluorene ND ND 40 400, Rfd, "D"
pentachlorophenol ND ND 40 0.029, CREG, "B2"
phenanthrene ND ND 40 Est 290, Rfd
anthracene ND ND 40 3000, Rfd
fluoranthene ND ND 40 400, Rfd, "3"
pyrene ND ND 40 300, Rfd, "3"
butylbenzyl phthalate ND ND 40 2000, Rfd, "3"
benzo(a)anthracene ND ND 40 0.1, PMCL, "B2"
chrysene ND ND 40 0.2, PMCL, "B2"
bis(2-ethylhexyl)phthalate ND ND 40 2.5, CREG, "B2"
di-n-octyl phthalate ND ND 40 N/A
benzo(b)fluoranthene ND ND 40 0.2, PMCL, "B2"
benzo(k)fluoranthene ND ND 40 0.2, PMCL, "B2"
benzo(a)pyrene ND ND 40 0.2, PMCL, "B2"
ideno(1,2,3-cd)pyrene ND ND 40 0.4, PMCL, "B2"
dibenz(a,h)anthracene ND ND 40 0.3, PMCL, "B2"
benzo(g,h,i)perylene ND ND 40 Est 0.273, oral slope, "3"
PCBs        
aroclor 1260 ND ND 40 0.0045, CREG, "B2"

Sampling date for all samples is March 1990 (Sample numbers CDF45, CDF46).

ug/l = micrograms per liter
B = Not detected substantially above the level reported in laboratory or field blanks.
ND = Not detected.
Est = Estimated comparison value from Rfd or oral slope factor
"B2" = EPA classified probable human carcinogen
"C" = EPA classified possible human carcinogen
"D" = EPA--inadequate data to evaluate carcinogencity
"3" = IARC Group--not classifiable as to carcinogenicity
maximum = Maximum concentration of contaminant detected for all evaluated samples in the table.


Table 7.

OFF-SITE PCB SURFACE SOIL CONTAMINATION
SAMPLE NUMBER SURFACE SOIL REFERENCES COMPARISON VALUE
(ppm) AND SOURCE
PCB CONCENTRATIONS (ppm)
maximum
M101 20.4 ## 0.091, CREG, "B2"
M102 64.4
M103 ND
M104 1.6
M105 ND
M106 3.1
M201 8.4
M202 ND
M301 ND
M302 ND
M303 ND
M304 ND
M401 ND
M402 ND
M403 1.9
M404 ND
M405 ND
M501 2.7
M502 1.2
M503 ND
M504 ND
M505 ND
M601 1.4
M601 ND
M603 ND
M604 ND
M605 1.6
M606 ND
M701 ND
M702 ND
M703 1.5
M704 ND
M705 ND
M706 ND
M707 ND
M708 ND
M709 ND
M710 ND

Sampling date is unknown.
## -- Sampling data are from the report "Community Health and PCB Exposure in Minden, West Virginia dated September 1990, a Virginia Student Environmental Health Project Intern Report.

ppm = parts per million = mg/kg = milligrams per kilograms
ND = Not detected
"B2" = EPA classified probable human carconogen
maximum = Maximum concentration of contaminant detected
Sample levels adjusted to dry weight
Sample levels not adjusted for % recovery, actual levels are slightly higher


Table 8.

ON-SITE PCB SURFACE SOIL CONTAMINATION INCLUDING RESAMPLE OF MARCH 1990 LOCATIONS
CONTAMINANT SURFACE SOIL REFERENCES COMPARISON VALUE
(mg/kg) AND SOURCE
CONCENTRATIONS (mg/kg)
minimum lowest positive maximum
PCBs          
aroclor 1260 0.148 0.148 538.920 12 0.091, CREG, "B2"

Sampling date for all samples is May 1990 (14 samples).

mg/kg = milligrams per kilograms
minimum = Lowest concentration of contaminant sampled for all evaluated samples in the table.
lowest positive = If a contaminant is detected, this would be the lowest concentration found for the contaminant that is above "not detected".
maximum = Maximum concentration of contaminant detected for all evaluated samples in the table.
"B2" = EPA classified probable human carconogen


Table 9.

ON-SITE PCB SEDIMENT CONTAMINATION RESAMPLE OF MARCH 1990 LOCATIONS
CONTAMINANT SEDIMENT REFERENCES COMPARISON VALUE
(mg/kg) AND SOURCE
MAXIMUM CONCENTRATIONS (mg/kg)
BLDG AREA DRAINAGE DITCH EXCAVATED AREA DRAINAGE DITCH
PCBs        
aroclor 1260 112.1 39.2 12 0.091, CREG, "B2"

Sampling date for all samples is May 1990 (Sample numbers CDF35 and CDF36 in March compared with sample numbers S08 and S04).
Bldg Area Drainage Ditch = Sample S0-8
Excavated Area Drainage Ditch = Sample S0-4

mg/kg = milligrams per kilograms
maximum = Maximum concentration of contaminant detected for all evaluated samples in the table.
"B2" = EPA classified probable human carcinogen


Table 10.

ON-SITE PCB SOIL CONTAMINATION PRIOR TO AND DURING REMOVAL ACTIONS
CONTAMINANT SURFACE SOIL REFERENCES COMPARISON VALUE
(mg/kg) AND SOURCE
CONCENTRATIONS (mg/kg)
minimum lowest positive maximum
PCBs          
aroclor 1260 ND 0.30 10500 42 0.091, CREG, "B2"

Sampling date for all samples is November 1990 (58 samples).

mg/kg = milligrams per kilograms
ND = Not detected
minimum = Lowest concentration of contaminant sampled for all evaluated samples in the table.
lowest positive = If a contaminant is detected, this would be the lowest concentration found for the contaminant that is above "not detected".
maximum = Maximum concentration of contaminant detected for all evaluated samples in the table.
"B2" = EPA classified probable human carcinogen


Table 11.

ON-SITE PCB SOIL CONTAMINATION AFTER REMOVAL ACTIONS
CONTAMINANT SURFACE SOIL REFERENCES COMPARISON VALUE
(mg/kg) AND SOURCE
CONCENTRATIONS (mg/kg)
minimum lowest positive maximum
PCBs          
aroclor 1260 0.44 0.44 1020 42 0.091, CREG, "B2"

Sampling date for all samples is January 1991 [9 composite samples and (composites were made up of 5 or 7 samples from a related area)]

mg/kg = milligrams per kilograms
minimum = Lowest concentration of contaminant sampled for all evaluated samples in the table.
lowest positive = If a contaminant is detected, this would be the lowest concentration found for the contaminant that is above "not detected".
maximum = Maximum concentration of contaminant detected for all evaluated samples in the table.
"B2" = EPA classified probable human carconogen


Table 12.

PCB Levels in Serum and Adipose Tissue of Selected Populations
    Blood Serum (ppb)* # Adipose Tissue (ppm) Group Tested
  Number Mean Median Range Mean Median Range Reference
Present Transformer Workers 35 53.7 43.7 4.3 - 253 5.4 3.2 0.03 - 58 Fait(34)
Past Transformer Workers 17 38.6 30.0 1.5 - 143 1.2 0.8 0.08-3.1  
Unexposed Comparison Group 56 20.0 16.1 0.5 - 181 1.5 0.9 0.0008-20  

Currently Exposed 37 12.2 12.0 <1.0 - 300 2.08 2.20 <0.2 - 33 Emmett
Exposed in the Past 17 5.9 7.0 <1.0 - 30 0.83 0.75 0.3 - 5.1 (35)
Comparison Group 54 4.6 6.0 <1.0 - 15 0.60 0.60 <0.2-3.0  

Canton, MA: Volunteer 10 7.1   1 - 18       Kreiss
Jefferson, OH: Volunteers 59 5.8   1 - 45       1985
Fairmont, WV: Volunteers 40 6.7   1 - 23       (32)
Norwood, MA: Volunteers 990 4.9   2 - 30        

Michigan PBB Cohort 1631 7.7   <1 - 57       Kreiss(30)

Michigan 4 years olds               Jacobson
Fish Exposure 205 4.18   1 - 19.4       (37)
Farm Exposure 80 4.82   1 - 23.3        

Monroe. LA: 1980 8       1.04   0.38-2.33 Jensen
Monroe, LA: 1984 10       1.23   0.65-1.96 (38)

# Adipose Tissue = Fat
* Note: Serum levels are in parts per billion (ppb) and adipose tissue levels are in parts per million (ppm). One part per million is 1000 parts per billion.


Table 13.

Environmental and Serum Levels of PCBs in Areas where Exposure Assessment was doneAdapted from Stehr-Green, Burse, and Welty, 1988. (39)
  On Site Off Site Potentially Exposed Population
Location Soil (ppm) Surface Water (ppb) Soil (ppm) Surface Water (ppb) Food Chain # Range (ppb) Mean* % < 20ppb Notes

Sebastian, AR Contaminated oils sprayed in residential area. 133,000 NA NA 20 2-11 5.8 100  

Wayne, GA 3,436 1.5 149 8.5 (rainwater runoff) NA 16 3-348 20.9 69 Total Group
            4 3-11 5.1 100 Nonworkers only

Monroe, IN 330,000 18 (water) 3,500 12.2 200 (fish) 61 3-75 10.9 80 Total Group
(3 sites)   520 (sediment)       51 3-51 9.0 90 Nonworkers only
            55 3-47 9.0 84 Random Sample

Newport, MA 99,000 400 (storm sewer) NA 6,100 (water) 730 (fish) 51 2-343 18.1 65 Total Group
    22,000 (sediment)   66,500 (sediment)   42 2-68 12.9 79 Nonworkers only

Norfolk, MA 220,000 NA 3 350,000 (sediment) NA 90 1-30 4.2 99 Total Group
            89 1-13 4.1 100 Nonworkers only

Ashtabula, OH NA 8,390,000 (sludge) 0.1 7.0 1.9 (plants) 59 1-45 4.4 97 Total group
            57 1-15 4.1 100 Nonworkers

Allegheny, PA 32,000 NA 1,106 300,000 (sediment) NA 9 ND-5 2.7 100 Includes 5 children

Chester, PA 36,000 (soil) NA 6,400 86,000 (sediment) 6.6 23 1-79 5.9 91 Total Group
  420,000 (work area)         22 1-31 5.3 95 Nonworkers only
            66 1-24 4.4 92 Random Sample

Pickens, SC NA 77,200 (sludge) 130 0.9 0.3 (vegetables) 27 ND-30 2.6 96 Quantitated as Aroclor 1254
  PCBs discharged into area surface waters.   22,080 (sediment) 15 (fish)          

Marion, WV 22,226 NA 205 17 1.7 (chicken) 24 1-23 5.0 96  

NA = Results not available or samples not collected
ND = Result below detection levels
* = Means are geometric. Non-detectable serum concentrations were assumed to be 1/2 the detection limit for calculation geometric means.


Table 14.

EXPOSURE PATHWAYS
PATHWAY NAME EXPOSURE PATHWAY ELEMENTS TIME
SOURCE COCs MEDIA POINT OF EXPOSURE ROUTE OF EXPOSURE EXPOSED POPULATION
COMPLETED EXPOSURE PATHWAYS
On-site workers PCB oils Air, Direct contact Plant operations Dermal, Inhalation, Ingestion SEC workers, estimated 30-50 and worker's families Past
Off-site soils, sediments PCB Residential yards, Arbuckle Creek sediments Arbuckle Creek Inhalation,
Dermal,
Ingestion
Children playing in yards, creek- unknown number and frequency of exposure Past,
Present,
Future
POTENTIAL EXPOSURE PATHWAYS
Off-site use of PCB contaminated oil as fuel PCB contaminated oils, PCDD/PCDF Air,
Direct contact
Handling,
Incomplete burning of PCB contaminated oil
Inhalation,
Dermal,
Ingestion
Off-site residences-unknown number Past
On-site use of PCB contaminated oil as fuel in SEC building PCB contaminated oils, PCDD/PCDF Air
Direct contact
Handling,
Incomplete burning of PCB contaminated oil
Inhalation,
Dermal,
Ingestion
SEC workers, estimated 30-50 Past
Food chain PCB contaminated snapping turtles Turtle meat Cooking for human consumption Ingestion Persons eating turtles- unknown number Past,
Present,
Future
On-site SEC surface soils, sediment PCB contaminated soils, sediment Soil,
Sediment,
Fugitive dust
Contaminated SEC soils, sediment Inhalation,
Dermal contact,
Ingestion
Trespassers- unknown number and unknown activities,
On-site workers
Past,
Present,
Future
SEC Equipment Building PCB,
PCDD/PCDF
Air,
Dust
Inside Building surfaces Inhalation,
Dermal,
Ingestion
Workers- unknown number Past,
Present,
Future
ELIMINATED EXPOSURE PATHWAYS
Remedial workers PCB Soil,
Air,
Sediments
Remedial activities Inhalation,
Dermal,
Ingestion
Remedial workers-unlikely because appropriate safety measures required for on-site activities Past,
Present,
Future
Food chain PCB Fish, farm animals, gardens Arbuckle Creek Ingestion No fish, farm animals, gardens exist Past,
Present,
future

COCs = Contaminants of concern



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