[CPEO-BIF] Gelman Sciences 1, 4-Dioxane Plume, Washtenaw County, Michigan

[Lenny Siegel <lsiegel@cpeo.org>]

Gelman Sciences 1,4-Dioxane Plume, Washtenaw County, Michigan

By Lenny Siegel

August, 2020

 The three-mile-long 1,4-dioxane plume at the Gelman Sciences site in Scio Township, Washtenaw County, Michigan is unusual in that 1,4-dioxane is by far the principal contaminant of concern. Because 1,4-dioxane has been used as a stabilizer in chlorinated solvents such as 1,1,1, trichloroethane, it is generally found as a co-contaminant at sites dominated by chlorinated solvent releases. At Gelman, however, it was used directly in the manufacture of medical filters, from 1966 to 1986, and the company released it through multiple pathways into groundwater that served as local drinking water supplies.

 There is a long history of community engagement at the Gelman site. While state regulators have provided a great deal of information and met with the community many times over the years, community activists have not had full access to data or the decision-making process, and there is widespread dissatisfaction with the limited cleanup that is underway.

…

For the entire report, go to 

http://www.cpeo.org/pubs/GelmanSciences.pdf

--

Lenny Siegel

Executive Director

Center for Public Environmental Oversight

A project of the Pacific Studies Center

LSiegel@cpeo.org

P.O. Box 998, Mountain View, CA 94042

Voice/Fax: 650-961-8918

http://www.cpeo.org

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