ATSDR-PHA-HC-Shaffer Equipment Company-p3

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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)]

Table 12.
PCB Levels in Serum and Adipose Tissue of Selected Populations
	Number	Mean	Median	Range	Mean	Median	Range	Reference
		Blood Serum (ppb)*			# Adipose Tissue (ppm)			Group Tested
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
PATHWAY NAME	SOURCE COCs	MEDIA	POINT OF EXPOSURE	ROUTE OF EXPOSURE	EXPOSED POPULATION	TIME
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