Michigan plans another hearing on dioxane standards update

ANN ARBOR, Mich. (AP) — Michigan environmental officials plan to hold another public hearing before completing revisions of statewide standards for dioxane in groundwater.

The Ann Arbor News reports the Department of Environmental Quality’s Remediation and Redevelopment Division received numerous comments on its proposed revisions for dioxane and more than 300 other chemicals and hazardous substances.

The last comment period closed in mid-September. The agency released its revised proposal for public comment Wednesday, saying additional comments would be accepted through Oct. 18. The public hearing is Oct. 17 at Lansing Community College West.

Dioxane is a toxic liquid. The industrial solvent was used by Gelman Sciences at its former facility in Ann Arbor and dumped between the 1960s and 1980s. Officials say a dioxane plume has contaminated groundwater in the area and is spreading.

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1 Comment

  • SRSW

    Tighter dioxane cleanup standards will affect other contamination sites, e.g the KL landfill site near Kalamazoo … where they’ve been calling dioxane by the seldom used term: “diethylene dioxide”.