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PUBLIC HEALTH ASSESSMENT

LITCHFIELD AIRPORT AREA
(a/k/a PHOENIX GOODYEAR AIRPORT)
GOODYEAR, MARICOPA COUNTY, ARIZONA
EPA FACILITY ID: AZD980695902

December 18, 2000

Prepared by:

Arizona Department of Health Services
Office of Environmental Health
Under Cooperative Agreement with the
Agency for Toxic Substances and Disease Registry


TABLE OF CONTENTS

LIST OF ACRONYMS AND ABBREVIATIONS

GLOSSARY

EXECUTIVE SUMMARY

1.0 BACKGROUND

2.0 COMMUNITY CONCERNS

3.0 ENVIRONMENTAL CONTAMINATION AND OTHER HAZARDS

4.0 EXPOSURE PATHWAY ANALYSIS

5.0 PUBLIC HEALTH IMPLICATIONS

6.0 CONCLUSIONS

7.0 RECOMMENDATIONS

8.0 PUBLIC HEALTH ACTION PLAN

PREPARERS OF REPORT

CERTIFICATION

REFERENCES

APPENDIX

TABLES


LIST OF ACRONYMS AND ABBREVIATIONS

ADHS Arizona Department of Health Services
ADEQ Arizona Department of Environmental Quality
ALAA American Lung Association of Arizona
ACS American Cancer Society
ATSDR Agency for Toxic Substances and Disease Registry
CDD polychlorinated dibenzo-p-dioxins
CDF polychlorinated dibenzofurans
COC chemical of concern
HBGL Health-based Guidance Levels
IMSAMET name of the aluminum smelter in the Goodyear area
LIPSCO Litchfield Water Company
MAG Maricopa County Association of Governments
MCL maximum contaminant level
MEK methly ethyl ketone
mg/m3 milligrams per cubic meter
m/sec meter per second
MRL minimal risk level
NA not applicable
ND not-detected
NRC National Research Council
NS not sampled
OAC outdoor air concentrations
OSHA Occupational Safety and Health Administration
PCBs polychlorinated biphenyls
PCP pentachlorophenol
PGA Phoenix Goodyear Airport
PM-10 particulate matter
ppb parts per billion
ppm parts per million
RID Roosevelt Irrigation District
SLE Systemic Lupus Erythematosus
SRLs Soil Remediation Levels
TCA trichloroacetic acid
TCDD dioxin (tetrachlorodibenzo-p-dioxin)
TCE trichloroethylene
TSH thyroid-stimulating Hormone
USEPA United States Environmental Protection Agency
VOCs volatile organic compounds
µg/L micrograms per liter


GLOSSARY

aquifer
a permeable rock stratum below the earth's surface through which groundwater moves; generally capable of producing water for a well.


chemicals of concern
chemicals whose concentrations are above the appropriate screening level.


clean
this word is used to describe water quality. This indicates that the water quality in question is in compliance with federal water quality standards developed by the United States Environmental Protection Agency.


detection limit
the minimum concentrations that must be accurately and precisely measured by the laboratory and/or specified in the quality assurance plan.


dose
the amount of contamination absorbed or deposited in the body of an exposed organism for an increment of time. A total dose is the sum of doses received by a person from a contaminant in a given interval resulting from interaction with all environmental media that contain the contaminant. Units of dose and total dose are often converted to units of mass per volume of physiological fluid or mass of tissue.


exposure
an event that occurs when there is contact at a boundary between a human being and the environment with a contaminant for a specific concentration for an interval of time: the units of exposure are concentration multiplied by time.


exposure pathway
the process by which an individual is exposed to contaminants that originate from some source of contamination and are categorized as inhalation, dermal, and/or ingestion exposures.


gene mutation
a persistent change in a single gene.


latency
the period between stimulus application and response onset.


maximum contaminant levels
enforceable drinking water standards that are protective of public health to the extent feasible with current technology.


minimal risk level
an estimate of daily exposure of a human being to a chemical (in mg/kg/day) that is likely to be without an appreciable risk of adverse noncancerous effects over a specified duration of exposure.


particulate
small, discrete, solid or liquid bodies, especially those suspended in a liquidor gaseous medium.


parts per million
one part per million (ppm) equals 1 pound chemical per million pounds ofwater.


public health assessment
an evaluation of relevant environmental data, health outcome data, and community concerns associated with a site where hazardous substances have been released.


quality assurance
a planned system of activities whose purpose is to provide assurance of thereliability and defensibility of the data.


quality control
a routine application of procedures for controlling the monitoring process. QC is the responsibility of all those performing hands-on operations in the filed and in the laboratory.


route of exposure
means by which the contaminant actually enters or contacts the body, such as ingestion, inhalation, dermal contact, and dermal absorption.


soil remediation levels (SRLs)
health-based soil screening levels. SRLs protect against toxic doses of systemic toxicants and limit excess lifetime cancer risk to one-in-one-million.


volatile compounds
compounds amenable to analysis by the purge and trap techniques, also referred to as purgable compounds.


volatilization
the conversion of a liquid or solid into vapors.

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