EPA Releases Final Health Assessment for TCE

Sept. 30, 2011

The final health assessment for trichloroethylene was added to the Integrated Risk Information System database

The U.S. Environmental Protection Agency (EPA) released the final health assessment for trichloroethylene (TCE) to the Integrated Risk Information System (IRIS) database.  IRIS is a human health assessment program that evaluates the latest science on chemicals in our environment.

The final assessment characterizes the chemical as carcinogenic to humans and as a human noncancer health hazard. This assessment will also allow for a better understanding of the risks posed to communities from exposure to TCE in soil, water and air. It will provide federal, state, local and other policy makers with the latest scientific information to make decisions about cleanup and other actions to protect people's health.

"This assessment is an important first step, providing valuable information to the state, local and federal agencies responsible for protecting the health of the American people," said Paul Anastas, assistant administrator for the EPA's Office of Research and Development. "It underscores the importance of EPA's science and, in particular, the critical value of the IRIS database for ensuring that government officials and the American people have the information they need to protect their health and the health of their children."

TCE is one of the most common man-made chemicals found in the environment. It is a volatile chemical and a widely used chlorinated solvent. Frequently found at Superfund sites across the country, TCE’s movement from contaminated ground water and soil, into the indoor air of overlying buildings, is of serious concern. EPA already has drinking water standards for TCE and standards for cleaning up TCE at Superfund sites throughout the country.

This assessment has undergone several levels of peer review including, agency review, interagency review, public comment, external peer review by EPA’s Science Advisory Board in January 2011, and a scientific consultation review in 2006 by the National Academy of Sciences. Comments from all reviewers are addressed in the final assessment.

Source: EPA

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