PUBLIC HEALTH ASSESSMENT
TUCSON INTERNATIONAL AIRPORT AREA
a/k/a EL VADO RESIDENTIAL PROPERTIES
TUCSON, PIMA COUNTY, ARIZONA
CERCLIS
# AZD980737530
March 15, 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
- SITE DESCRIPTION AND HISTORY
- SITE VISIT
- DEMOGRAPHICS, LAND USE, NATURAL RESOURCES
Demographics
Land Use and Natural Resources Use - HEALTH OUTCOME DATA
Residential Serum PCB Blood Tests
- How does USEPA know that they found all the PCBs?
- Since the blood samples showed that the PCBs were not hurting anyone and didn't present a health threat, then why did USEPA clean up the yards?
ENVIRONMENTAL CONTAMINATION AND OTHER HAZARDS
- ON-SITE CONTAMINATION
- OFF-SITE CONTAMINATION
Results from Pre-remediation Off-Site Investigations
Post Remediation Soil Samples
Groundwater Contamination
- COMPLETED EXPOSURE PATHWAYS
Past Exposure Pathways - ELIMINATED EXPOSURE PATHWAYS
Current and Future Exposure Pathways
Figures 1-6; Site Maps, Concentration Ranges, and Sample Locations
Toxicological Profile for PCBs
Figure 1: Location of Removal Site
Figure 2: Confirmatory Sample Results - Area A
Figure 3: Confirmatory Sample Results - Area B
Figure 4: Confirmatory Sample Results - Area C
Figure 5: Confirmatory Sample Results - Area D1
Figure 6: Confirmatory Sample Results - Area D2
Table 1: Polychlorinated Biphenyl (PCB) Blood Levels in 16 Residents Living Adjacent to the Three Hangers Site
Table 2: Confirmatory (1996) Sample Results from Remediated Areas in El Vado Residential Area
Table 3: Completed Past Exposure Pathways at the El Vado Residential Site Before Remediation


