PUBIC HEALTH ASSESSMENT
TRW MICROWAVE, INC.
(BUILDING 825)
SUNNYVALE, SANTA CLARA COUNTY, CALIFORNIA
EPA FACILITY ID: CAD009159088
January 10, 1994
Prepared by:
California Department of Health Services
Under Cooperative Agreement with the
Agency for Toxic Substances and Disease Registry
TABLE OF CONTENTS
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A. SITE DESCRIPTION AND HISTORY
B. SITE VISIT
C. DEMOGRAPHICS, LAND USE, AND NATURAL RESOURCE USE
D. HEALTH OUTCOME DATA
ENVIRONMENTAL CONTAMINATION AND OTHER HAZARDS
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A. ON-SITE CONTAMINATION
B. OFF-SITE CONTAMINATION
C. QUALITY ASSURANCE AND QUALITY CONTROL (QA/QC)
D. PHYSICAL AND OTHER HAZARDS
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A. TOXICOLOGICAL EVALUATION
B. HEALTH OUTCOME DATA EVALUATION
C. COMMUNITY HEALTH CONCERNS EVALUATION
APPENDIX C: DEVELOPMENT OF THE INDOOR AIR STUDY
APPENDIX D: ANALYSIS OF THE NOVEMBER 1992 INDOOR AIR SAMPLING AT SAN MIGUEL SCHOOL
APPENDIX E: SUMMARY OF RESPONSE DURING PUBLIC COMMENT PERIOD
1. VOCs IN SOILS ON THE FORMER TRW PROPERTY
2. TOTAL METALS OM SOIL ON THE FORMER TRW PROPERTY
3. SOLUBLE METALS FROM SOIL ON THE FORMER TRW PROPERTY
4. GROUNDWATER CONTAMINATION AT THE TRW SITE
5. METALS IN GROUNDWATER ON THE FORMER TRW PROPERTY
6. GROUNDWATER VOC CONTAMINATION OFF-SITE
7. METALS IN GOUNDWATER OFF SITE
8. OFF-SITE SOIL GAS FLUX MEASUREMENTS
9. AIR SAMPLING DATA AT SAN MIGUEL AND CHERRY CHASE SCHOOLS
11. ACTION LEVELS FOR AIRE SAMPLING AT SAN MIGUEL SCHOOL
1. THREE COMPANY SITE AND ASSOCIATED STUDY AREA
2. SURFACE EMISSION ISOLATION FLUX CHAMBER SAMPLE LOCATION MAP
3. INTERPRETATION SCHEME FOR SAN MIGUEL SCHOOL AIR SAMPLING RESULTS
4. ANALYSIS OF NOVEMBER 11, 1992 AIR SAMPLING USING INTERPRETATION FLOWCHART
