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PUBLIC HEALTH ASSESSMENTCOMMENCEMENT BAY, SOUTH TACOMA FIELD
TACOMA, PIERCE COUNTY, WASHINGTON
CERCLIS NO. WAD980724173

(a/k/a COMMENCEMENT BAY, SOUTH TACOMA CHANNEL)

TACOMA, PIERCE COUNTY, WASHINGTON
CERCLIS NO. WAD980726301

September 11, 1995

Prepared by

Washington State Department of Health
Under Cooperative Agreement with the
Agency for Toxic Substances and Disease Registry

TABLE OF CONTENTS

SUMMARY

BACKGROUND

COMMUNITY HEALTH CONCERNS

ENVIRONMENTAL CONTAMINATION AND OTHER HAZARDS

PATHWAYS ANALYSES

PUBLIC HEALTH IMPLICATIONS

CONCLUSIONS

RECOMMENDATIONS

PUBLIC HEALTH ACTIONS

PREPARERS OF REPORT

REFERENCES

APPENDICES


LIST OF FIGURES
Figure Number Title
1. Site Location Map for South Tacoma Field Superfund Site
2. Sampling Unit Designations and Businesses Map
3. Upgradient and On-Site Monitoring Well Locations Map

LIST OF TABLES

Table Number Title
1 Contaminants of Concern in On-Site Surface Soils, Phase I and II
2 Contaminants of Concern in On-Site Subsurface Soils, Phase I
3 Contaminants of Concern in On-Site Subsurface Soils, Phase II
4 Contaminants of Concern in On-Site Groundwater
5 Contaminants of Concern in On-Site Surface Water
6 Contaminants of Concern in On-Site Sediments
7 Contaminants of Concern in Off-Site Groundwater, Upgradient and Background Wells
8 Completed and Potential Exposure Pathways


LIST OF ACRONYMS AND ABBREVIATIONS
ATSDR Agency for Toxic Substances and Disease Registry
BNR Burlington Northern Railroad
CREG Cancer Risk Evaluation Guides
CSS Cancer Surveillance System
EMEG Environmental Media Evaluation Guides
EPA United States Environmental Protection Agency
HARP ATSDR Health Activities Recommendation Panel
LOAEL Lowest Observed Adverse Effect Level
MRL Minimal Risk Level
NOAEL No Observed Adverse Effect Level
PAH Polycyclic Aromatic Hydrocarbon
PCB Polychlorinated Biphenyl
RDA Recommended Dietary Allowances
RfC Reference Concentration
RfD Reference Dose
RMEG Reference Dose Media Evaluation Guide
TIP Tacoma Industrial Properties
TRI Toxic Chemical Release Inventory
VOC Volatile Organic Compound
WDOH Washington State Department of Health

LIST OF UNITS OF MEASUREMENT
kg Kilogram
µg/L Microgram per liter
µg/dL Microgram per deciliter
ml Milliter
mg Milligram
mg/kg Milligram per kilogram
mg/kg/day Milligram per kilogram per day
ppm Part per million
µg/kg Microgram per kilogram
ng/kg Nanogram per kilogram


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