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1. ATSDR > Public Health Assessments & Consultations

PETITIONED PUBLIC HEALTH ASSESSMENT

NEWTOWN COMMUNITY
GAINESVILLE, HALL COUNTY, GEORGIA

November 19, 2002

Prepared by:

Petition Response Section
Exposure Investigation and Consultation Branch
Division of Health Assessment and Consultation Branch
Agency for Toxic Substances and Disease Registry

TABLE OF CONTENTS

SUMMARY

SITE DESCRIPTION AND HISTORY

Introduction
Background
Demographics
Community health concerns

DISCUSSION

Section 1:
General information regarding ambient air and health
Contaminants in air
Potential sources of air pollution
Outdoor sources
Indoor sources
How did ATSDR evaluate air quality in Newtown?
Air pollutant release data
Ambient air dispersion models
Measured ambient air concentrations
Addressing previous recommendations and ATSDR Comparison Values (CVs)
Section 2:
Air pollutant release data
The Aerometric Retrieval System and Facility Subsystem (AIRS/AFS)
Toxic Release Inventory database
Air permit and compliance files from Georgia Department of Natural Resources
Section 3:
Air models used in the ATSDR evaluation of air quality in Newtown
ATSDR's air dispersion model
EPA's Cumulative Exposure Project
EPA's National Air Toxic Assessment
Section 4:
Measured results and their comparison to models
Priority pollutants
Particulate matter
Comparison of modeled with measured results
Section 5:
Location of the air monitor and monitoring parameters
Section 6:
Health Implications Section- Contaminants of potential adverse health effects
1,3-Butadiene
Carbon Tetrachloride
Formaldehyde
Benzene
Acrolein
Manganese
N-Hexane
Particulate Matter
Air quality in Newtown- Potential health effects of urban exposure
ATSDR Child Health Initiative

CONCLUSIONS

RECOMMENDATIONS

PUBLIC HEALTH ACTION PLAN

PREPARERS OF THIS REPORT

REFERENCES

APPENDICES

Appendix A. Area maps
Appendix B. Demographics
Appendix C. Aerometric Information Retrieval System and Toxicology Resource Index Data Information, Hall County, Gainesville, Georgia
Appendix D. ATSDR Dispersion Model
Appendix E. Environmental Protection Agency's Cumulative Exposure Project (Nationwide Modeling)
Appendix F. Environmental Protection Agency National Air Toxic Assessment (Nationwide Modeling)
Appendix G. Explanation of the Differences Between and Limitations of Modeling Data and Monitoring Data
Appendix H. Explanation of Cancer and Noncancer Risk Conversions
Appendix I. Ambient Air Data, as Measured by the Georgia Environmental Protection Division
Appendix J. Public Comments

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