ATSDR-PHA-HC-Bruno Coop & Associated Properties-p4

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PUBLIC HEALTH ASSESSMENT

BRUNO COOP & ASSOCIATED PROPERTIES
BRUNO, BUTLER COUNTY, NEBRASKA

APPENDIX A

SITE MAP

Figure 1. Site Area Map

APPENDIX B

CONTAMINANT AND PATHWAY TABLES

**Data Table Abbreviations**
ppb µg/m³ ND J M CREG	parts per billion micrograms per cubic meter not detected estimated value compound qualitatively identified cancer risk evaluation guide

Table 1.
GROUNDWATER: FORMER MUNICIPAL SYSTEM AND BACKGROUND PRIVATE WELL -- 1984 THROUGH 1989
Contaminant	Maximum Concentration ppb	Sample Date	Reference	Comparison Value
Contaminant	Maximum Concentration ppb	Sample Date	Reference	ppb	Source
Carbon Tetrachloride Public water system Well 30185 Well 30184 Tap Fire Hall Public school Post Office Residence Location unknown Background private well	38.5 39 ND 27.1 29 28 28 40.1 ND	1988 1986 1987 1989 1988 1988 1988 1984 1987	(5) (2) (2) (5) (2) (2) (2) (2) (2)	0.3	CREG
Chloroform Public water system Well 30185 Well 30184 Tap Fire Hall Public school Post office Residence Location unknown Background private well	12J 93* ND 2.1 12M 4.0M 3.9M 4.2 ND	1988 1988 1987 1989 1988 1988 1988 1984 1987	(2) (2) (2) (5) (2) (2) (2) (2) (2)	6	CREG
1,2-Dichloroethane Public water system Well 30185 Well 30184 Tap Fire Hall Public school Post office Residence Location unknown Background private well	16 5.9 ND 8.0 13 13 11 7.3 ND	1988 1986 1987 1989 1988 1988 1988 1984 1987	(2) (2) (2) (5) (2) (2) (2) (2) (2)	0.4	CREG
Bromodichloromethane Sample sources not clearlydefined	ND	1988	(2)	0.3	CREG

^* a previously used chlorine treatment system may have contributed substantively to thisconcentration

Table 2.
SOIL GAS DATA -- 1988
Contaminant	Concentration Range µg/m³	Comparison Value
Contaminant	Concentration Range µg/m³	µg/m³	Source
Carbon tetrachloride Grain storage area Beyond grain storage area	ND to 370 ND	0.07	CREG

Reference (2)

Table 3.
GROUNDWATER, NEW MUNICIPAL WELLS -- AFTER 1990
Contaminant	Maximum Concentration ppb	Sample Date	Comparison Value
Contaminant	Maximum Concentration ppb	Sample Date	ppb	Source
Carbon tetrachloride Public water system Well 12302891 Well 12302982	ND ND	1991, 1993 1991, 1993	0.3	CREG
Chloroform Public water system Well 12302891 Well 12302892	ND ND	1991, 1993 1991, 1993	6	CREG
1,2 Dichloroethane Public water system Well 12302891 Well 12302892	ND ND	1991, 1993 1991, 1993	0.4	CREG
Bromodichloromethane Public water system Well 12302891 Well 12302892	ND 0.6 & ND	1991, 1993 1991, 1993	0.3	CREG

Reference (5)

Table 4.
PRINCIPAL COMPLETED AND POTENTIAL EXPOSURE PATHWAYS
COMPLETED PATHWAY NAME	COMPLETED EXPOSURE PATHWAY ELEMENTS					TIME
COMPLETED PATHWAY NAME		SOURCE	MEDIUM	POINT OF EXPOSURE	ROUTE OF EXPOSURE	TIME	EXPOSED POPULATION
former public wells	fumigantchemicals,chlorinationprocess	groundwater	residences businesses	ingestion inhalation skin contact	residents workers visitors	past
fumigantchemicals	fumigantchemicals	air, chemicals	grain storage units	inhalation skin contact ingestion	fumigant appliers	past

POTENTIAL
PATHWAY
NAME POTENTIAL EXPOSURE PATHWAY ELEMENTS TIME
SOURCE MEDIUM POINT OF
EXPOSURE ROUTE OF
EXPOSURE EXPOSED
POPULATIONN
private wells fumigant
chemicals groundwater residences ingestion
inhalation
skin contact residents past
present
future
soil gas fumigant
chemicals soil gas residences inhalation residents past
present
future

Table 5.
ESTIMATED POPULATIONS -- PRINCIPAL COMPLETED AND POTENTIAL EXPOSURE PATHWAYS
Estimated Exposed and Potentially Exposed Populations Contaminants and Media:
Description Number carbon
tetrachloride chloroform 1-2-dichloro-
ethane bromodichloro-
methane
Past town residents, workers, visitors presume lessthan 300 total groundwater groundwater groundwater
Past fumigant appliers presume lessthan 25 total air

Present/future private well users nearby andin town presume lessthan 30 total groundwater groundwater groundwater
Residents near storage area unknown soil gas soil gas soil gas

Table of Contents

Public Health Assessments & Health Consultations

Table 1.

Table 2.

Table 3.

Table 4.

Table 5.

File Formats Help:

A-Z Index

POTENTIAL PATHWAY NAME	POTENTIAL EXPOSURE PATHWAY ELEMENTS					TIME
POTENTIAL PATHWAY NAME		SOURCE	MEDIUM	POINT OF EXPOSURE	ROUTE OF EXPOSURE	TIME	EXPOSED POPULATIONN
private wells	fumigant chemicals	groundwater	residences	ingestion inhalation skin contact	residents	past present future
soil gas	fumigant chemicals	soil gas	residences	inhalation	residents	past present future

Estimated Exposed and Potentially Exposed Populations		Contaminants and Media:
Description	Number	carbon tetrachloride	chloroform	1-2-dichloro- ethane	bromodichloro- methane
Past town residents, workers, visitors	presume lessthan 300 total	groundwater	groundwater	groundwater
Past fumigant appliers	presume lessthan 25 total	air
Present/future private well users nearby andin town	presume lessthan 30 total	groundwater	groundwater	groundwater
Residents near storage area	unknown	soil gas	soil gas	soil gas