PUBLIC HEALTH ASSESSMENT
BOOMSNUB/AIRCO
VANCOUVER, CLARK COUNTY, WASHINGTON
CERCLIS NO. WAD009624453
July 18, 1995
Prepared by
Washington State Department of Health
Under Cooperative Agreement with the
Agency for Toxic Substances and Disease Registry
TABLE OF CONTENTS
A. Site Description and History
B. Site Visit
C. Demographics, Land Use, and Natural Resources Use
D. Health Outcome Data
ENVIRONMENTAL CONTAMINATION AND OTHER HAZARDS
A. On-Site Contamination
B. Off-Site Contamination
C. Quality Assurance and Quality Control
D. Physical and Other Hazards
A. Completed Exposure Pathways
B. Potential Exposure Pathways
A. Toxicological Evaluation
B. Health Outcome Data Evaluation
C. Community Health Concerns Evaluations
LIST OF TABLES AND FIGURES
Tables in the public health assessment
1. Reported Spill Episodes in Site Zip Code
2. Completed and Potential Exposure Pathways
3. Qualitative Cancer Risk
4. EPA's Chromium Health Advisory for Drinking Water
Figures in Appendix A
1. Regional Location Map
2. Diagram of site and vicinity
3. Distribution of VOCs and chromium in groundwater
| ATSDR | Agency for Toxic Substances and Disease Registry |
|---|---|
| CREG | Cancer Risk Evaluation Guide (promulgating agency ATSDR). CREGsare estimated contaminant concentrations based on a one excess cancerin a million persons exposed over a lifetime (70 years). CREGs arecalculated from EPA's cancer slope factors. |
| CPU | Clark Public Utilities |
| Ecology | Washington State Department of Ecology |
| EMEG | Environmental Media Evaluation Guide (promulgating agency ATSDR). EMEGs are screening values used to select chemical contaminants ofpotential health concern. EMEGs are estimated contaminantconcentrations in particular media at which daily exposure would beunlikely to result in non-cancer health effects. EMEG values arecalculated by ATSDR using conservative exposure assumptions thatwould protect the most sensitive segment of the population. |
| EPA | U.S. Environmental Protection Agency |
| MRL | ATSDR developed Minimal Risk Levels (MRLs) to evaluate healtheffects of chemical contaminants commonly found at hazardous wastesites. MRLs are estimates of daily exposure to contaminants belowwhich non-cancer, adverse health effects are unlikely to occur. |
| mg/kg | milligrams per kilogram, equivalent to ppm (see below) |
| ppm | parts per million (10E-6) one second in 11 & 1/2 days |
| RfD | Reference Dose (EPA). EPA's Reference Dose (RfD) and ReferenceConcentration (RfC) are estimates of the daily exposure to a contaminantthat is unlikely to cause adverse health effects. |
| RMEG | Reference Dose-based Media Evaluation Guide calculated usingReference Dose (RfD) (definition above). |
| WDOH | Washington State Department of Health |
