PUBLIC HEALTH ASSESSMENT

ELECTROSONICS/SPOFFORD PLACE (FORMER)
CHESTERFIELD, CHESHIRE COUNTY, NEW HAMPSHIRE
EPA FACILITY ID: NHSFN0102995

November 21, 2002

Prepared by:

New Hampshire Department of Health and Human Services
Bureau of Environmental and Occupational Health
Under a Cooperative Agreement with the
Agency for Toxic Substances and Disease Registry

TABLE OF CONTENTS

I. PURPOSE

II. BACKGROUND

(A) Site Description and History
(B) DHHS Involvement
(C) Other Involvement
(D) Demographics
(E) QA/QC

III. ENVIRONMENTAL CONTAMINATION

(A) Site Conceptual Model
(B) Soil
(C) Partridge Brook Surface Water
(D) Partridge Brook Sediment
(F) On-Site Supply Well
(G) Off-Site Residential Supply Wells
(H) Building No. 2 Basement
(I) Off-Site Contamination
(J) Physical and Other Hazards

IV. PATHWAYS OF HUMAN EXPOSURE

(A) Completed Exposure Pathways
(B) Potential Exposure Pathways
(C) Eliminated Exposure Pathways

V. DISCUSSION: ADULT AND CHILDREN'S HEALTH ISSUES

(A) Public Health Implications of Exposure
(B) Health Outcome Data Review
(C) Community Health Concerns

VI. CONCLUSIONS

VII. RECOMMENDATIONS

VIII. PUBLIC HEALTH ACTION PLAN

IX. PREPARERS OF REPORT

X. REFERENCES

XI. APPENDICES

Appendix A: Tables
Table 1: Age distribution for the town of Chesterfield
Table 2: Number of years lived in current residence for Chesterfield residents
Table 3: Summary of soil-gas samples from former subsurface leach field
Table 4: Summary of test pit samples from former subsurface leach field
Table 5: Summary of sediment samples from Partridge Brook, taken in 1999
Table 6: Summary of sediment samples from Partridge Brook, taken in 2000
Table 7a: Analytes from the Electro-Sonics site supply well (page 1 of 2)
Table 7b: Analytes from the site supply well (page 2 of 2)
Table 8: Analytes from Residential Well No. 1
Table 9: Analytes from Residential Well No. 2
Table 10: Analytes from Residential Well No. 3
Table 11: Analytes from Residential Well No. 4
Table 12: Ambient air samples from the basement of Building No. 2
Table 13a: Soil samples from the basement of Building No. 2 (page 1 of 2)
Table 13b: Soil samples from the basement of Building No. 2 (page 2 of 2)
Table 14a: Dose estimations from Residential Well Nos. 1, 2 and 3, 9-year exposure
Table 14b: Dose estimations from Residential Well Nos. 1, 2 and 3, 9-year exposure
Appendix B: Figures
Figure 1: Intro Map of the former Electro-Sonics facility
Appendix C: Needs Assessment Survey Questionnaire
Appendix D: Detailed Findings of Community Educational Needs Assessment
Appendix E: ATSDR Plain Language Glossary of Environmental Health Terms
Appendix F: ATSDR Public Health Hazard Categories
Appendix G: Description of Health Comparison Values
Appendix H: Written Comments on the Initial and Public Comment Release
Appendix I: Resource List

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