[CPEO-BIF] "EPA Declares Ann Arbor’s Gelman Dioxane Plume a Superfund Site After Decades of Groundwater Contamination"

[Lenny Siegel <Lsiegel@cpeo.org>]

EPA Declares Ann Arbor’s Gelman Dioxane Plume a Superfund Site After Decades of Groundwater Contamination

By Mike Brennan
MI Tech News
March 12, 2026


ANN ARBOR — After nearly four decades of environmental monitoring and legal battles, the U.S. Environmental Protection Agency has officially designated the former Gelman Sciences site and its spreading 1,4-dioxane groundwater plume in Ann Arbor and Scio Township as a federal Superfund site.

The designation places the contaminated area on the National Priorities List, unlocking additional federal resources and oversight aimed at containing and ultimately cleaning up one of Michigan’s longest-running groundwater pollution problems.

The contamination originated at the former Gelman Sciences manufacturing facility on Wagner Road, where the industrial solvent 1,4-dioxane was disposed of between the 1960s and mid-1980s. The chemical seeped into groundwater and eventually formed a plume that now stretches several miles beneath western Ann Arbor and Scio Township.

…

For the entire article, see
https://mitechnews.com/update/epa-declares-ann-arbors-gelman-dioxane-plume-a-superfund-site-after-decades-of-groundwater-contamination/#

See my 2020 report at https://cpeo.org/pubs/GelmanSciences.pdf . - LS

—

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
Author: DISTURBING THE WAR: The Inside Story of the Movement to Get Stanford University out of Southeast Asia - 1965–1975 (See http://a3mreunion.org)




_______________________________________________
Brownfields mailing list
Brownfields@lists.cpeo.org
http://lists.cpeo.org/listinfo.cgi/brownfields-cpeo.org