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PUBLIC HEALTH ASSESSMENT

HANFORD 1100-Area (USDOE)
RICHLAND, BENTON COUNTY, WASHINGTON
CERCLIS NO. WA4890090075

November 20, 1995

Prepared by:

Energy Section
Federal Facilities Assessment Branch
Division of Health Assessment and Consultation
Agency for Toxic Substances and Disease Registry


TABLE OF CONTENTS

LIST OF TABLES

LIST OF FIGURES

LIST OF ABBREVIATIONS

SUMMARY

BACKGROUND

    A. Site Description and History
    B. Site Visit
    C. Demographics, Land Use, and Natural Resource Use
    D. State and Local Health Data

COMMUNITY HEALTH CONCERNS

ENVIRONMENTAL CONTAMINATION AND OTHER HAZARDS

    A. On-Site Contamination
    B. Off-Site Contamination
    C. Quality Assurance and Quality Control
    D. Physical and Other Hazards

PATHWAYS ANALYSES

    A. Completed Exposure Pathways
    B. Potential Exposure Pathways

PUBLIC HEALTH IMPLICATIONS

    A. Toxicological Implications
    B. Health Outcome Data Evaluation
    C. Community Health Concerns Evaluation

CONCLUSIONS

RECOMMENDATIONS

PREPARERS OF REPORT

REFERENCES

APPENDIX

    A. Letter from J. Monhart, Director of Richland Operations, DOE
    B. Demographic Data
    C. Toxic Chemical Release Inventory (TRI) Data
    D. Toxicological Information
    E. Public Comments on the Hanford 1100-Area (USDOE) Public Health Assessment

LIST OF TABLES

Table 1 Operable and Suboperable Units of the 1100 Area
Table 2 Range of Contaminant Concentrations in On-site Soil Samples
Table 3 Contaminant Concentration in On-site Groundwater Monitoring Wells
Table 4 Potential Exposure Pathways Considered by ATSDR
Table B-1 Population Data: By Counties
Table B-2 Housing Data: By Counties
Table B-3 Population Data: Tri-Cities
Table B-4 Housing Data: Tri-Cities
Table C-1 Releases to Land, Benton County, Washington State
Table C-2 Releases to Surface Water, Benton County, Washington State
Table C-3 Releases to Air by the Department of Energy, Benton County, WA
Table C-4 Releases to Air by Other than the Department of Energy, Benton County, WA


LIST OF FIGURES

Figure 1. Location of Hanford Site.
Figure 2. The 1100 Area: Operable Units and Vicinity.
Figure 3. Operable Unit EM-1: Sites of Contamination.
Figure 4. Major surface water features of Hanford.
Figure 5. Direction of Ground- and Surface Water Flow.


LIST OF ABBREVIATIONS

ATSDR Agency for Toxic Substances and Disease Registry
BW Body Weight
C Contaminant Concentration
CERCLA Comprehensive Environmental Response, Compensation, and Liability Act of 1980
Cr Chromium
CREG Cancer Risk Evaluation Guide
CSF Cancer Slope Factor
DEHP Di(2-ethylhexyl)phthalate
dl deciliter
DOE Department of Energy
ED Exposure Dose
EF Exposure Factor
EM Equipment Maintenance
EMEG Environmental Media Evaluation Guide
EPA Environmental Protection Agency
FFS Focused Feasibility Study
FY Fiscal Year
HARP Health Activities Recommendation Panel
IARC International Agency for Research on Cancer
IR Intake Rate
IQ Intelligence Quotient
IRIS Integrated Risk Information System
IU Isolated Unit
kg kilogram
L Liters
LFI Limited Field Study
log logarithm
m meter
m3 cubic meter
MCL Maximum Contaminant Level
mg milligram
mg/kg milligram per kilogram
µg microgram
µg/dl microgram per deciliter
µg/m3 microgram per cubic meter
MRL Minimal Risk Level
NPL National Priorities List
NTIS National Technical Information Service
NTP National Toxicology Program
OSHA Occupational Safety and Health Administration
PAHs Polycyclic Aromatic Hydrocarbons
PCBs Polychlorinated Biphenyls
PHAP Public Health Action Plan
PMCL Proposed Maximum Contaminant Level
ppb parts per billion
ppm parts per million
RAC Reasonably Assumed a Carcinogen
RCRA Resource Conservation and Recovery Act
RfC Reference Concentration
RfD Reference Dose
RMEG Reference Dose (or Concentration) Media Evaluation Guide
ROD Record of Decision
SARA Superfund Amendments and Reauthorization Act
TCE Trichloroethylene
TRI Toxic (Chemical) Release Inventory
TMO Tetramethyloxirane
USACE US Army Core of Engineers
VOCs Volatile Organic Compounds
WADOE Washington State Department of Ecology


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