Coalition for Action on Remediation of Dioxane (CARD)

Question and Answer Session for Gelman 1,4-Dioxane Plume Litigation Settlement Agreement

The Washtenaw County Board of Commissioners will host a question and answer session and hear public comment on the proposed settlement agreement in the Gelman 1,4-dioxane Plume litigation. 

Leadership from Ann Arbor City Council, Scio Township, Ann Arbor Charter Township, and the Huron River Watershed Council will participate. Congresswoman Debbie Dingell will moderate the session. Dr. Larry Lemke, Professor of Environmental Geology at Central Michigan University, will deliver a presentation and be on hand to answer questions.

Date: Thursday, September 24, 2020

Time: 6:30 p.m.

Location: Virtual via Zoom

How to submit questions

Questions to be answered at the public session will be accepted until Friday, September 18, 2020 at 5:00 p.m. Email questions to [email protected]. Persons who submit questions may not receive an individualized response. However, questions will be grouped and answered during the public meeting and subsequently posted at 

How to submit public comments on the proposed settlement agreement

Public comment on the proposed Gelman 1,4-dioxane settlement agreement will be accepted through through September 21, 2020. Email the Michigan Department of Environment, Great Lakes & Energy at [email protected] to submit comments.

Proposed Settlement Documents

The ongoing legal process regarding the contaminated Gelman Sciences site has reached the point where the proposed settlement documents are available to the public. On Aug 31, 2020, the Court Confidentially Order dated March 23, 2017 was lifted. Documents are now available at

At this time, all documents at the above link are proposed and have not been approved by the intervening parties.

What is CARD?

The Coalition for Action on Remediation of Dioxane (CARD) is a partnership of local governments and citizens that look at strategies to address the groundwater contamination from the industrial solvent 1,4-dioxane, released by Gelman Sciences, Inc. The groundwater contamination has expanded in Washtenaw County to an area over three miles long and one mile wide.

Current CARD Officers

To view the member listing, please see the CARD board page

View the CARD bylaws.

Due to the impacts of coronavirus, we will be having all CARD meetings remotely on Zoom until further notice.

If you haven't gotten the Zoom invitation on CARDcore, and wish to attend the Zoom meeting, please email Beth at [email protected] to be sent the information to join.

Please note that all CARD meetings are audio and video recorded.

CARD Meeting Agendas & Minutes

View agendas and approved minutes for CARD meetings.

1,4-Dioxane Water Testing Laboratories

These local laboratories provide 1,4-dioxane analysis at the expense of the homeowner / resident. Please contact the laboratories for information regarding pricing, detection limits, obtaining bottles, and sampling procedures. 

For more information on testing your drinking water for 1,4-dioxane, please see our Testing Drinking Water for 1,4-dioxane fact sheet (PDF).

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