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Title: Health risk assessment of trans-1,2-dichloroethylene in California drinking water

Technical Report ·
OSTI ID:6399800

This document presents an assessment of the potential health risks associated with exposure to trans-1,2-dichloroethylene (trans-1,2-DCE) dissolved in California drinking waters. This assessment is being provided to the California Department of Health Services (CDHS) for the development of drinking-water standards to manage the health risks of trans-1,2-DCE exposure. Other assessments required in the risk-assessment process include analyses of the technical and economic feasibilities of treating water supplies contaminated with trans-1,2-DCE. A primary goal of this health-risk assessment is to evaluate dose-response relationships for observed and potential toxic end points of trans-1,2-DCE in order to define dose rates that can be used to establish standards that will protect members of the general public from adverse health effects resulting solely from water-based exposures to trans-1,2-DCE. We also analyze the extent of human exposures attributable to trans-1,2-DCE-contaminated groundwater in California. The document consists of seven sections, plus an appendix. Our assessment begins in Section 2 with a review of the uses of trans-1,2-DCE, its environmental chemistry, and concentrations measured in different environmental media. The next section provides an overview of published studies on the absorption and metabolism of trans-1,2-DCE. In Section 4, we review studies of the acute and subchronic toxicity of trans-1,2-DCE to animals and humans.

Research Organization:
Lawrence Livermore National Lab., CA (USA)
DOE Contract Number:
W-7405-ENG-48
OSTI ID:
6399800
Report Number(s):
UCRL-21062; ON: DE89007229
Resource Relation:
Other Information: Portions of this document are illegible in microfiche products
Country of Publication:
United States
Language:
English