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Information Session: Pall Life Sciences 1,4-dioxane contamination TOSC Program, SRSW and

Information Session: Pall Life Sciences 1,4-dioxane contamination TOSC Program, SRSW and City of Ann Arbor March 24, 2004. TOSC Program. University-based program—addresses science and engineering related to pollution problems National program, funded by U.S. EPA since 1994

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Information Session: Pall Life Sciences 1,4-dioxane contamination TOSC Program, SRSW and

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  1. Information Session: Pall Life Sciences 1,4-dioxane contamination TOSC Program, SRSW and City of Ann Arbor March 24, 2004

  2. TOSC Program • University-based program—addresses science and engineering related to pollution problems • National program, funded by U.S. EPA since 1994 • Provide educational and technical assistance; directly address citizens concerns • Agreement with SRSW and City to provide services • Two goals: Shed light on extent of problem; and catalyze effective public involvement

  3. Contributions of TOSC • Independent review of key community questions • Information on key concepts related to PLS dioxane problem • Provide review/analysis to assist both community members and regulatory agency (MDEQ)

  4. Specific problem – Complex Solution • One pollutant of concern: 1,4-dioxane • Highly soluble, does not sorb to soils, moves with groundwater readily (one exposure pathway) • Very complex hydrogeologic setting, especially in vicinity of the Huron River • Very complex cleanup options, especially if done in-situ (below ground, thru injection) • If ex-situ, discharging water is an issue

  5. TOSC Personnel on PLS Project • Dr. Susan Masten, Project Director, Professor, MSU • Dr. Larry Lemke, Hydrogeologist, Senior Lecturer, Wayne State • Kirk Riley, TOSC Program Manager • Scott Siple, Project Specialist, MSU • Todd Zynda, Project Specialist, MSU

  6. Meeting Overview • Introduction to TOSC Program and goals of tonight’s meeting. • Overview of GSI/PLS process: Key points and status • Hydrogeology: Extent of plume? What do we know? What gaps exist? Can the plume be “captured?” (Dr. Larry Lemke, Wayne State University) • Treatment options: What is PLS proposing to remediate plume? What considerations are important with each of the treatment options? (Dr. Susan Masten, Michigan State University) • Question and answer session • Panel discussion (City, SRSW, County and TOSC)

  7. Tonight’s meeting • Packets • Questions related speakers’ topics are welcome at any time • Please reserve comments for Q-A/comment section of agenda

  8. Contact Information • Kirk Riley, TOSC Program Manager, Michigan State University (rileyki@egr.msu.edu) • Dr. Susan Masten, Professor of Environmental Engineering, MSU (masten@egr.msu.edu) • Dr. Larry Lemke, Senior Lecturer, Wayne State University (ldlemke@wayne.edu) • Roger Rayle, Associate Chair, Scio Residents for Safe Water, (734) 761-8932 (rogerr@e-mich.com) • Matthew Naud, Environmental Coordinator, City of Ann Arbor, (734) 997-1596 (mnaud@ci.ann-arbor.mi.us TOSC Program Michigan State University East Lansing, MI 48824 (800) 490-3890

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