Public health assessment for Vancouver Water Station No. 4 Contamination Area, Vancouver, Clark County, Washington, Region 10. CERCLIS No. WAD988475158. Preliminary report

Technical Report · Wed Mar 31 04:00:00 EST 1993

OSTI ID:6590867

Vancouver Water Station No. 4 Superfund site (WS4) is a municipal well field located in the city of Vancouver, Clark County, Washington. The site poses no apparent health hazard to the known exposed population as a result of short-term exposure to elevated tetrachloroethylene (PCE) concentrations in water. Exposure to PCE has occurred in the past to residents, workers, and students supplied water from contaminated domestic supply wells, WS4 wells, and the State School for the Blind well. Residences with a contaminated domestic supply well and the State School for the Blind have been placed on the municipal water system, thus eliminating exposure to elevated PCE concentrations. However, all populations at risk to PCE exposure from contaminated private supply wells may not have been identified. A water well survey conducted during the 1989 investigation addressed only areas of suspected groundwater contamination associated with WS4. Later investigations indicate groundwater contamination outside the original exploration area for WS4. An inventory of private supply wells has not been conducted in these areas to determine the potentially exposed population. In addition, the extent and migration of groundwater contamination associated with WS4 is not well defined. PCE contamination of private supply wells may be occurring or may occur in the future.

• Research Organization: Agency for Toxic Substances and Disease Registry, Atlanta, GA (United States)
• OSTI ID: 6590867
• Report Number(s): PB-93-178267/XAB
• Country of Publication: United States
• Language: English

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