Draft Preliminary Site Evaluation
Santa Susana Field Laboratory (SSFL)
Ventura County, California
CERCLIS
NO. CAD074103771
December 3, 1999
Prepared by:
Division of Health Assessment and Consultation
Agency for Toxic Substances and Disease Registry
Atlanta, Georgia
TABLE OF CONTENTS
PRELIMINARY SITE ASSESSMENT TEAM
Scope of Report
Site Operations and History
Areas I, II, and III. History of Rocket Test Operations
Area IV. History of Nuclear Research Operations and Incidents
Area Demographics
COMMUNITY CONCERNS AND HEALTH STUDIES
Community Concerns
Health Studies
Community Health Studies
Occupational
Health Studies
Special Consideration of Women and Children
Air Pathway
Background
Rocket Testing
Waste Treatment and Disposal
Accidental Releases and Spills
Environmental Data
Chemicals
Radionuclides
Potential for Human Exposure
Ground Water and Surface Water Pathway
Background
Environmental Data
Chemicals
Radionuclides
Potential for Human Exposure
Soil and Sediment Pathway
Background
Environmental Data
Chemicals
Bell Canyon; Brandeis-Bardin Institute and Santa Monica Mountains
Conservancy; Former Sodium Disposal Facility
Radionuclides
Potential for Human Exposure
CONCLUSIONS AND RECOMMENDATIONS
Air Pathway
Ground and Surface Water Pathway
Soil and Sediment Pathway
Recommendations
APPENDIX A. Area I Thermal Treatment Facility
APPENDIX B. Other Documents Reviewed
APPENDIX C. Electronic Data Sets Reviewed
List of Figures
Figure 1. Facility Areas and Communities around
Santa Susana Field Laboratory.
Figure 2. Area II rocket test stands and surrounding
terrain.
Figure 3. The Former Sodium Reactor Experiment Containment
Building
Figure 4. Population Characteristics in One Mile
Area Surrounding the SSFL and Location of Ventura County, CA Census Tract 75.03.
Figure 5. Potential Exposure Pathways from the SSFL
to Man.
Figure 6. Test firing of an Atlas Rocket Engine,
September 7, 1999.
Figure 7. Location of TCE ground water plumes,
NPDES sampling stations and surface water drainages.
Figure
8. Site of former Sodium Disposal Facility.
Table 1. Overview of Engine Testing Programs at
the SSFL
Table 2. Chronological List of Radiological Incidents
in Area IV of the SSFL.
Table 3. Demographic Statistics for Census Tract
75.03, Ventura County, CA
Table 4. Community Health Concerns Related to the
Santa Susanna Field Laboratory
Table 5. Community Environmental Concerns and Observations
Table 6. Surface Water and Ground Water Sampling
Stations Offsite of the SSFL Facility
Table 7. Offsite Distribution of Chemicals Commonly
Found in Onsite Ground Water Wells
Table 8. Concentrations of Radionuclides in
Ground Water and Surface Water Offsite of the SSFL
Table 9. Maximum Contaminant Concentrations in Surface
(0 to 0.5') and Subsurface
(0.5 - 1') Soil and Sediment Samples in and near Bell Canyon
Table 10. Maximum Contaminant Concentrations in
Soil and Sediment at Brandeis-Bardin Institute (BBI) and Santa Monica Mountains
Conservancy (SMMC) from Sampling Conducted in 1992 [McLaren/Hart, 1993; 1995]
Table
11. Maximum Offsite Radionuclide Concentrations in Surface Soils and Sediments
