ATSDR-PHA-HC-Ace Services Inc-p4

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PUBLIC HEALTH ASSESSMENT

ACE SERVICES INCORPORATED
COLBY, THOMAS COUNTY, KANSAS

APPENDIX A – SITE MAPS

LIST OF FIGURES

Figure 1. Location Map

Figure 2. Site Vicinity Map

APPENDIX B – CONTAMINANT AND PATHWAY TABLES

LIST OF TABLES

Table 1. On-Site Contamination – Pre-Removal Characteristics of Media
Table 2. Off-Site Contamination
Table 3. Summary – Completed Exposure Pathways and Associated Health-Related Information
Table 4. Summary – Potential Exposure Pathways

List of Acronyms, Symbols, and Abbreviations

ppm
ppb
<
RMEG
AL
MCL
parts per million
parts per billion
less than
Reference Dose Media Evaluation Guide
Action Level
Maximum Contaminant Level

Table 1.
On-Site Contamination – Pre-Removal Characteristics of Media
Material/Media		Contaminant	Maximum Concentration	Sample Year & Reference	Comparison Value
Material/Media		Contaminant	Maximum Concentration	Sample Year & Reference	Value	Source
Wastewater Treatment Building – Miscellaneous Solids/Sludge		Chromium VI	23,900 ppm	1993 (13)	4,000^e ppm	RMEG
		Total Chromium	154,000 ppm	1990 (2)	4,000^e ppm 700,000^f ppm	RMEG
		Lead	38,500 ppm	1990 (2)	none
Wastewater Treatment Building – Liquids		Total Chromium	411,000 ppb	1993 (13)	200^g ppb 40,000^h ppb	RMEG
Plating Building – Concrete in Floors		Chromium VI	Trough floor – 21,100 ppm	1993 (13) 1994 (7)	4,000^e ppm 700,000^f ppm	RMEG
		Total Chromium	Trough floor – 21,000 ppm Building floor – 16\,000 ppm
		Lead	Trough floor – 6,020 ppm Building floor – 770 ppm
Plating Building – Dust on Floor		Total Chromium	62,100 ppm	1993 (13)	4,000^e ppm 700,000^f ppm	RMEG
Plating Building – Dust on Floor		Lead	24,300 ppm	1993 (13)	none
Wastewater		Total Chromium	21,000 ppb	1971 (14)	50^c ppb 10,000^d ppb	RMEG
Surface Soil/Sludge, in formerlagoon		Total Chromium	5,945 ppm	1989 (2)	10 & 300^a ppm 2,000 & 50,000^bppm	RMEG
		Total Chromium	19,100 ppm	1993 (13)	10 & 300^a ppm 2,000 & 50,000^bppm	RMEG
		Lead	6,847 ppm	1989 (2)	none
		Lead	29,100 ppm	1993, (13)	none
Surface Soils near lagoon andbuildings		Total Chromium	79,200 ppm 1,990 *ppm.	1993 (13) 1993 (15)	10 & 300^a ppm 2,000 & 50,000^bppm	RMEG
Surface Soils near lagoon andbuildings		Lead	81,800 ppm 272 *ppm	1993 (13) 1993 (15)	none
Subsurface Soil	Near , or down gradient, of lagoon	Total Chromium	3,056 ppm	1980, 1990 (2)	10 & 300^a ppm 2,000 & 50,000^bppm	RMEG
	Near , or down gradient, of lagoon	Lead	2,035 ppm		none
	Not near or down gradient of lagoon	Total Chromium	77 ppm		10 & 300^a ppm 2,000 & 50,000^bppm	RMEG
	Not near or down gradient of lagoon	Lead	ND		none
Groundwater, Recovery Well		Chromium VI	985 ppb	1980-1988 (3)	50^c	RMEG
Groundwater, Recovery Well		Lead	<5 ppb	1991 (2)	15 ppb	AL
Comparison value notes:
^a For Chromium VI; 10 ppm for pica child; 300 ppm for child ^b For Chromium III; 2,000 ppm for pica child; 50,000 ppm for child ^c For Chromium VI; 50 ppb for child ^d For Chromium III; 10,000 ppb for child * sample taken between chemical storage building and wastewater treatment building				^e For Chromium VI; 4,000 ppm for workers ^f For Chromium III; 700,000 ppm for workers ^g For Chromium VI; 200 ppb for workers ^h For Chromium III; 40,000 ppb for workers **samples taken elsewhere

Table 2.
Off-Site Contamination
Material/Media		Contaminant	Maximum Concentration	Sample Year & Reference	Comparison Value
Material/Media		Contaminant	Maximum Concentration	Sample Year & Reference	Value	Source
Soil/Sediment, in Tributary	Upstream	Total Chromium	5.1 ppm	1989 (2)	10 & 300^a ppm 2,000 & 50,000^bppm	RMEG
	Upstream	Lead	61 ppm		none
	Downstream	Total Chromium	14.4 ppm		10 & 300^a ppm 2,000 & 50,000^bppm	RMEG
	Downstream	Lead	51 ppm		none
Groundwater, Monitoring Well to East (DownGradient) of ACE		Total Chromium	1,910 ppb	1990-91 (2)	50^c ppb 10,000^d ppb	RMEG
		Total Chromium	345 ppb	1995 (17)	50^c ppb 10,000^d ppb	RMEG
		Lead	3 ppb	1990-91 (2)	15 ppb	AL
Groundwater, Monitoring Wells at County Landfill		Total Chromium	20 ppb	1995 (18)	50^c ppb 10,000^d ppb	RMEG
Groundwater, Monitoring Wells at County Landfill		Lead	5 ppb	1995 (18)	15 ppb	AL
Groundwater, PWS #8, Former Public Well		Chromium VI	Zero	1973 (3)	50^c ppb	RMEG
Groundwater, PWS #8, Former Public Well		Total Chromium	1,800 ppb 1,100 ppb 980 ppb 64 ppb	1980 (3) 1981 1982 1995 (17)	50^c ppb 10,000^d ppb	RMEG
Groundwater Other Public Wells		Chromium VI	13 ppb	1985-1988 (3)	50^c ppb	RMEG
		Total Chromium	40 ppb 10 ppb	1984 (3) 1994 (19)	50^c ppb 10,000^d ppb	RMEG
		Lead	6 ppb <1 ppb	1990 (2) 1995 (19)	15 ppb	AL
		Nitrate (as N)	4,400 ppb	1990 (2)	10,000 ppb	MCL
		Nitrate (as N)	4,980 ppb	1995 (19)	10,000 ppb	MCL
Private Wells		Chromium VI	For Worst of 2-Wells:Over several months,maximum was 14 ppb.Then, abruptly increasedto 4,100 ppb anddecreased to 610 ppb intwo months; & fivemonths later was notdetected. For Second Well: Levelincreased over 16 monthsto 12 ppb, then was notdetected.	1987 (3)	50³ ppb	RMEG
		Total Chromium	Three Wells: Sampledonce; maximum value forone well was 17 ppb. For others, nondetect	1990 (2)	50^c ppb 10,000^d ppb	RMEG
		Total Chromium	Eight wells: Maximumvalue for three wells was24 ppb. For others,nondetect	1995, 1996 (17)	50^c ppb 10,000^d ppb	RMEG
		Lead	6 ppb Eight wells: nondetect	1990 (2) 1995, 1996 (17)	15 ppb	AL
		Nitrate (as N)	Two wells: 28,190 ppb^e 167 wells: 21,000 ppb	1989 (3) 1991-1996 (20)	10,000 ppb	MCL
Comparison value notes:
^a For Chromium VI; 10 ppm for pica child; 300 ppm for child ^b For Chromium III; 2,000 ppm for pica child; 50,000 ppm for child				^c For Chromium VI; 50 ppb for child ^d For Chromium III; 10,000 ppb for child
^e Two well owners now connected to public water.

Table 3.
Summary – Completed Pathways
PATHWAY NAME:	Former Process Workers	Public Water Users	Private Well Users	Private Well Users
Source:	Process materials, wastes	Process materials, wastes	ACE process materials, wastes, plus possibly undefined sources	Not site related
Medium:	Process materials, wastes, building components, soils, public water supply	Groundwater	Groundwater	Groundwater
Exposure Point:	On-site process buildings and surrounding areas	Off-site Residences/businesses	Off-site Residences, businesses	Some well locations in county
Exposure Route:	Incidental ingestion Inhalation Skin contact	Ingestion	Ingestion	Ingestion
Receptor Population:	Process area workers	Public Water Users	Residents, transients	Residents
Exposure Period:	Past	Principally in Past, also Current and Future	Past, present, future	Past, present, future
Estimated Number Exposed*:	100	6,000	100	1,000
Principal Contaminants	Chromium, some lead	Chromium	Chromium	Nitrates Not site related
* Estimated number of exposed persons is believed to be within an order ofmagnitude

Table 4.
Summary – Potential Pathways
PATHWAY NAME:	Process Building Reuse	Ace Employees at Home
Source:	Residual process materials, wastes	Process materials, wastes, soils
Medium:	Dust, building components	Worker clothing
Exposure Point:	On-site, In building	Off-site, Residences
Exposure Route:	Ingestion Inhalation	Ingestion Inhalation
Receptor Population:	Users	Employee, family
Exposure Period:	Future	Past
Estimated Number Exposed:	50	400
Principal Plausible Contaminants	Chromium, lead	Chromium, lead
* Estimated number of exposed persons is believed to bewithin an order of magnitude

Table of Contents

Public Health Assessments & Health Consultations

Table 1.

Table 2.

Table 3.

Table 4.

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