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  • SRSW.org
    • ARCHIVES
      • 06/06/2005 Notice to SRSW subscribers - discharge to Honey Creek Tributary
      • 09/13/2005 Pall Permit Meeting/Hearing - comments
      • 1999-2004 SRSW News
        • 1999/07/09-Latest on the Pall-Gelman Contamination
        • 1999/10/05-The Contested Hearings Case
        • 2000/01/07-SRSW Press Release
        • 2000/02/02-Videotape to air on CTN
        • 2000/03/05-Michigan's Attorney General sues Pall-Gelman
        • 2000/04/12-Contested Case Results
        • 2000/06/25-Harding revises Pall-Gelman discharge permit
        • 2000/07/23-Shelton orders remediation enforcement
        • 2000/09/27-Comments on the Pall-Gelman 5 year plan
        • 2000/10/14-Comments on the Pall-Gelman 5 year plan (continued)
        • 2000/11/28-News from Pall-Gelman November report packet
        • 2000/12/04-News from Pall-Gelman November report packet (continued)
        • 2000/12/14-News from Pall-Gelman November report packet (continued)
        • 2000/12/24-News from Pall-Gelman November report packet (continued)
        • 2001/03/29-1,4-Dioxane found in deepest aquifer
        • 2001/04/11-1,4-Dioxane found in deepest aquifer (continued)
        • 2001/04/12-1,4-Dioxane pollutes Ann Arbor Municipal Supply Well
        • 2001/06/22-More 1,4-Dioxane found in deepest aquifer
        • 2001/10/14-Plume definition and capture still lacking
        • 2001/12/09-Deep aquifer contamination spread farther than expected
        • 2002/01/14-Contamination increases in newly discovered plume
        • 2002/01/28-Other contamination found in deepest aquifer
        • 2002/03/01-Public hearing on Pall's discharge permit
        • 2002/03/04-Permit would add Dioxane to drinking water sources
        • 2002/03/13-Public meeting on permit changes
        • 2002/04/04-Problems with permit changes aired
        • 2002/04/14-New Dioxane finds in Ann Arbor
        • 2002/05/08-DEQ approves permit changes
        • 2002/08/03-Community-Acceptable Cleanup in Court
        • 2002/08/14-Judge finds permit clause unlawful
        • 2002/10/22-Concerns about Pall-Gelman contamination site
        • 2002/11/06-Chronic toxicity test failure shuts down Pall cleanup
        • 2002/12/22-Pall slow to delineate plume
        • 2003/02/11-Public meeting on Pall-Gelman contamination
        • 2004/03/24-Community Meeting
        • 2004/07/09-SRSW Response to DEQ E Unit Cleanup Plan
      • Ann Arbor News - dioxane search
      • Comments on April 2004 Sampling Data
      • DEQ-EGLE Legal Docs
      • Emails/Letters
        • 2016/01/29-Email to DEQ from Roger Rayle/SRSW - Data problems may mislead decision makers
      • hvcn.org-srsw--archive
      • Pall/Gelman Dispute Resolutions
      • Pall/Gelman Documents on Box.net
      • Past - Featured
      • Why Wasn't E Plume Caught Earlier
      • Flow Chart of Cleanup Process after Proposed Changes
    • Commentary
      • Examples of Pall's Understanding of the Site
    • Contact SRSW
    • DATA
      • 2004-2010 deep Evergreen SWLs
      • 2004-2010 deep Evergreen SWLs Motion Chart
      • Dioxane ppb/year motion chart
      • MotionChart-1986-2009Data
      • Water Levels Motion Charts
      • Wells by Screen Elevation (as of 2017)
    • Donate
    • EPA Petition
    • EVENTS
    • MAPS/IMAGES
      • 1986-2006-West-East-Well_Depths
      • 2009 Dioxane Plume Map
      • 2009 MotionChart-ppblog-time-ScrElev
      • 20121004-BOCworksession
      • 2015 dioxane level graphs - northernmost wells
      • 2015 hits - Honey Creek Trib - D0
      • 20160418-CARD-TownhallMtg-FINAL
      • 20160929-dioxane-update
      • 2017/10/19-Core Area Purge Wells to Shut Down for 10 Days
      • Dioxane by Aquifer - 1986-2010
      • Dioxane Plumes 1992-2009
      • Dioxane Plumes Under Pall 1998-2009
      • Dioxane Spread to Lower Elevations 1986-2006 -- west-east view
      • Dioxane Travel Time Modeling
      • Elevation of Wells with Dioxane Readings-1986-2006
      • Gelman Site Dioxane Studies by Dr. Lemke and his Students
      • Highest Ever reads 2012-2015
      • Hinkley CA hexavalent chromium plume vs Pall-Gelman dioxane plumes
      • Pall/Gelman Dioxane vs Old City Landfill - 3D Displays
      • Pall/Gelman Dioxane vs Old City Landfill - on Google earth
      • Pall/Gelman Site in Google Earth
        • 1995 Gelman Database
        • Google Earth Mashup - Components
        • Pall/Gelman Site in Google Earth-2016
        • ppb graphs - scr elev 720-780
      • PGhist-2012-keyslides
      • Timeline - Pall/Gelman Site
        • Timeline - from City of Ann Arbor - as of Feb 2004
    • NEWS
      • 01/06/2016 - State Dioxane Standards May (finally) Tighten in 2016
      • 01/07/2013 - Ongoing Dioxane Sampling Problems
      • 01/09/2012 - Dispute Resolution Court Hearing January 11, 2012
      • 01/10/2013-02/24/2013 - Pall Corp email exchange - cleanup concerns
      • 01/12/2013 - Pall Eliminates All "Dioxane" (from its 2008-2012 10-K reporting)
      • 01/16/2014 - Some Observations on the Pall/Gelman 1,4-Dioxane Groundwater Contamination Site
      • 01/30/2017 - Pall/Gelman Avoids Mapping Deep Dioxane Contamination On Its Original Property
      • 02/08/2012 - Two Sets of "Books" to Monitor the Contamination -or- Cover Up of Faulty Database Conversion?
      • 02/11/2011 - MDNRE Approves Pall/Gelman Plan to Reduce 1,4-Dioxane Groundwater Cleanup
      • 02/14/2016 - Wells with Highest Ever Readings 2013-2015 - Pall Proposes Reduced Sampling
      • 02/20/2013 - Pall/DEQ Split Sample Results Jan 2013
      • 02/22/2018 - Michigan Senate Bills could limit MDEQ cleanup enforcement
      • 02/27/2013 - Pall/Gelman Groundwater Contamination Site - Maximum Dioxane Levels Per year
      • 03/01/2019 - First Detectable (almost undetectable) Dioxane in Ann Arbor's Drinking Water
      • 03/08/2016 - AANews Archive: Pall-Gelman clippings are up!
      • 03/11/2011 - Consent Judgment Changes Reduce Pall/Gelman Cleanup Requirements
      • 03/14/2016 - DEQ Proposes Tighter Dioxane Cleanup Standard
      • 03/21/2013 - Email to DEQ - troubling results ... and resulting thread
      • 03/25/2011 - AADL Video: Our Water, Our Future Panel
      • 03/26/2014 - 1,4-Dioxane Detected in More Drinking Water Supplies Nationwide
      • 03/27/2012 - Collaborative Stakeholders Initiative - Lacked Citizen/Environmental Group Reps
      • 03/30/2011 - Public Meeting
      • 04/02/2019 - A Compliance Well in name only: MW-103s
      • 04/09/2015 - High Readings - northward expansion
      • 04/15/2009 - Shocking news from Circuit Court Judge Donald Shelton
      • 04/27/2009 - Good News, Bad News Follow-up to Schedule Order
      • 04/27/2017 DEQ Extends Emergency Rules to Establish Safer Dioxane Standards
      • 04/28/2019 Bridge - Opinion | Six ways Gretchen Whitmer and lawmakers can protect Michigan water
      • 05/02/2018 - DEQ Tightens Groundwater-Surface Water Interface Standards for Dioxane
      • 05/13/2015 - Pall Corporation to be acquired by Danaher Corporation
      • 05/19/2009 - Pall/Gelman Proposes Major Cuts in Dioxane Cleanup
      • 05/20/2009 - CARD Annual Public Meeting
      • 06/14/2016 - Scio Township Passes Resolution Supporting Making the Gelman Site as EPA Superfund Site
      • 07/09/2015 -Long Term Thinking Needed
      • 07/17/2012 - Alarmingly High Dioxane Level
      • 07/21/2014 - DEQ Settles for $500K - may reduce public data
      • 07/25/2011 - E. coli pollution in Scio Township's Honey Creek
      • 07/31/2005 - Five Year Cleanup Plan Update
      • 08/02/2017 - CARD Responds to DEQ Regarding DEQ Vapor Intrusion Investigation & Dioxane Criteria
      • 08/02/2017 - DEQ Takes Action to Make 7.2 ppb Dioxane Standard Permanent
      • 08/07/2015 - Pall's Little Lake Report
      • 08/11/2010 - US EPA IRIS Report on 1,4-dioxane Human Health Assessment
      • 08/26/2010 - Senate Passes Changes to Part 201
      • 09/01/2013 - September 2013 Observations
      • 09/07/2017 - Industrial solvent widely found in U.S. drinking water
      • 09/15/2014 - Dioxane Travel Time Modeling
      • 09/19/2012 - Forbes Blogger Asks about Pall's 1,4-Dioxane Data
      • 09/19/2014 - Email response to 4/4/14 Sutton review of EG flow
      • 09/20/2011 - Still No Resolution on Pall/Gelman Database Anomalies
      • 10/03/2014 - Pall to Install Monitoring Wells in the Honey Creek Area
      • 10/18/2010 - Secret Negotitaions Continue on Pall/Gelman Proposal to Reduce Cleanup Activities
      • 10/28/2013 - Email to DEQ
      • 10/30/2017 - DEQ Makes 7.2 ppb Dioxane Standard Permanent
      • 11/05/2015 - Even Higher Readings - northward expansion
      • 11/07/2017 - EPA Issues Preliminary Assessment of Gelman site to be a Superfund site
      • 11/17/2010 - DNRE Tentatively Approves Pall/Gelman Cleanup Plan Changes
      • 11/22/2013 - MDEQ proposes outdated cleanup standards
      • 11/24/2010 - Flow Chart of Eastern System Cleanup Term Sheet
      • 12/09/2014 - Scientist with deep industry ties being considered for key EPA job
      • 12/15/2008 - Well Prohibition Zone Expansion?
      • 12/15/2010 - AnnArbor.com Pall/Gelman Article
      • 2009 News
      • 2016/11/29 - EPA will evaluate 1,4-dioxane under the Toxic Substances Control Act
      • 20170806 - Lack of Complete, Central Database Hampers Understanding of Dioxane Plumes
      • 20170914-EPA toxics nominee Dourson advocated for loose dioxane standard
      • List of AANews Gelman/Pall/Dioxane Articles Archive by Date
      • Michigan DEQ Issues Emergency Rules to Establish Safer Dioxane Standards
      • Moratorium on EPA Regulations
      • NGWA Award Questioned
      • Pall Proposes to Terminate Little Lake Dioxane Plume Cleanup
      • Pall's Transmission Pipeline Fails (again)
      • Pall/Gelman Database Changes
      • Prior News
        • 2008/12/15 - Status Conference - Well Prohibition Zone Expansion?
        • 2009/04/15 - Shocking news from Circuit Court Judge Donald Shelton
        • 2009/04/27 - Good News, Bad News Follow-up to Schedule Order
        • 2009/05/19 - Pall/Gelman Proposes Major Cuts in Dioxane Cleanup
        • 2010/08/17 - Senate Passes Changes to Part 201
        • 2010/10/18 - Secret Negotitaions Continue on Pall/Gelman Proposal to Reduce Cleanup Activities
        • 2010/11/17 - DNRE Tentatively Approves Pall/Gelman Plan to Modify the Cleanup
        • 2011/02/07 - Flow Chart of Cleanup Process if DNRE Approves Pall/Gelman's Proposed Changes
        • 2011/02/11 - MDNRE Approves Pall/Gelman Plan to Reduce 1,4-Dioxane Groundwater Cleanup
        • 2011/03/11 - Consent Judgment Changes Reduce Pall/Gelman Cleanup Requirements
        • 2011/03/25 - AADL Video: "Our Water, Our Future" Panel
        • 2011/07/25 - E. coli pollution in Scio Township's Honey Creek
        • 2011/09/20 - Still No Resolution on Pall/Gelman Database Anomalies
        • 2012/01/09 - Dispute Resolution Court Hearing January 11, 2012
        • 2012/02/08 - Two Sets of "Books" to Monitor the Contamination -or- Cover Up of Faulty Database Conversion?
        • 2013/01/07 - Ongoing Dioxane Sampling Problems
        • 2013/01/12 - Pall Eliminates All "Dioxane" (from its 2008-2012 10-K reporting)
        • 2013/02/20 - Pall/DEQ Split Sample Results Jan 2013
        • 2013/02/27 - Pall/Gelman Groundwater Contamination Site - Maximum Dioxane Levels Per year
        • 2013/09/01 - September 2013 Observations
        • 2013/10/28 - Email to DEQ
        • 2014/01/16 - Some Observations on the Pall/Gelman 1,4-Dioxane Groundwater Contamination Site
        • 2014/03/31 - Meeting to Discuss Fracking in Scio Township
        • 2014/04/01 - Advice on fracking rights from HRWC
      • 05/03/2021 - Gelman litigation hearing
    • Other Dioxane Sites
    • Petition to the MDEQ and Governor Rick Snyder to Restore Database Access
    • 2016/11/21 - Petition Requesting the Gelman Site Become a Federal USEPA Superfund Site
    • Prohibition Zone
    • Proposed 4th Consent Judgment Settlement
    • VIDEOS
      • 10/23/1995 DEQ Public Meeting video on Gelman 1995 cleanup plan
      • AADL Video: "Our Water, Our Future" Panel
      • Audio Recordings
      • CTN Other Perspectives: Toxic Plume
      • Robots Talk About Pall/Gelman Cleanup--obsolete-XtraNormal is gone
      • Videos of Earlier Public Meetings
      • Videos of Pall/Gelman Discharge Point
    • Volunteer
    • Previous SRSW Home Pages
      • Copy of SRSW.org-20240509
      • Copy of SRSW.org-20210928
    • 2022/12/01 Two Newly Published Articles about Gelman Site Dioxane
    • 01/24/2024 Public Notice of Gelman NPDES Permit Renewal
    • Dioxane Plumes 1992-2023
    • Dioxane Plumes 1992-2020
    • 20240603-Gelman NPL Superfund
  • Home
 
  • SRSW.org
    • ARCHIVES
      • 06/06/2005 Notice to SRSW subscribers - discharge to Honey Creek Tributary
      • 09/13/2005 Pall Permit Meeting/Hearing - comments
      • 1999-2004 SRSW News
        • 1999/07/09-Latest on the Pall-Gelman Contamination
        • 1999/10/05-The Contested Hearings Case
        • 2000/01/07-SRSW Press Release
        • 2000/02/02-Videotape to air on CTN
        • 2000/03/05-Michigan's Attorney General sues Pall-Gelman
        • 2000/04/12-Contested Case Results
        • 2000/06/25-Harding revises Pall-Gelman discharge permit
        • 2000/07/23-Shelton orders remediation enforcement
        • 2000/09/27-Comments on the Pall-Gelman 5 year plan
        • 2000/10/14-Comments on the Pall-Gelman 5 year plan (continued)
        • 2000/11/28-News from Pall-Gelman November report packet
        • 2000/12/04-News from Pall-Gelman November report packet (continued)
        • 2000/12/14-News from Pall-Gelman November report packet (continued)
        • 2000/12/24-News from Pall-Gelman November report packet (continued)
        • 2001/03/29-1,4-Dioxane found in deepest aquifer
        • 2001/04/11-1,4-Dioxane found in deepest aquifer (continued)
        • 2001/04/12-1,4-Dioxane pollutes Ann Arbor Municipal Supply Well
        • 2001/06/22-More 1,4-Dioxane found in deepest aquifer
        • 2001/10/14-Plume definition and capture still lacking
        • 2001/12/09-Deep aquifer contamination spread farther than expected
        • 2002/01/14-Contamination increases in newly discovered plume
        • 2002/01/28-Other contamination found in deepest aquifer
        • 2002/03/01-Public hearing on Pall's discharge permit
        • 2002/03/04-Permit would add Dioxane to drinking water sources
        • 2002/03/13-Public meeting on permit changes
        • 2002/04/04-Problems with permit changes aired
        • 2002/04/14-New Dioxane finds in Ann Arbor
        • 2002/05/08-DEQ approves permit changes
        • 2002/08/03-Community-Acceptable Cleanup in Court
        • 2002/08/14-Judge finds permit clause unlawful
        • 2002/10/22-Concerns about Pall-Gelman contamination site
        • 2002/11/06-Chronic toxicity test failure shuts down Pall cleanup
        • 2002/12/22-Pall slow to delineate plume
        • 2003/02/11-Public meeting on Pall-Gelman contamination
        • 2004/03/24-Community Meeting
        • 2004/07/09-SRSW Response to DEQ E Unit Cleanup Plan
      • Ann Arbor News - dioxane search
      • Comments on April 2004 Sampling Data
      • DEQ-EGLE Legal Docs
      • Emails/Letters
        • 2016/01/29-Email to DEQ from Roger Rayle/SRSW - Data problems may mislead decision makers
      • hvcn.org-srsw--archive
      • Pall/Gelman Dispute Resolutions
      • Pall/Gelman Documents on Box.net
      • Past - Featured
      • Why Wasn't E Plume Caught Earlier
      • Flow Chart of Cleanup Process after Proposed Changes
    • Commentary
      • Examples of Pall's Understanding of the Site
    • Contact SRSW
    • DATA
      • 2004-2010 deep Evergreen SWLs
      • 2004-2010 deep Evergreen SWLs Motion Chart
      • Dioxane ppb/year motion chart
      • MotionChart-1986-2009Data
      • Water Levels Motion Charts
      • Wells by Screen Elevation (as of 2017)
    • Donate
    • EPA Petition
    • EVENTS
    • MAPS/IMAGES
      • 1986-2006-West-East-Well_Depths
      • 2009 Dioxane Plume Map
      • 2009 MotionChart-ppblog-time-ScrElev
      • 20121004-BOCworksession
      • 2015 dioxane level graphs - northernmost wells
      • 2015 hits - Honey Creek Trib - D0
      • 20160418-CARD-TownhallMtg-FINAL
      • 20160929-dioxane-update
      • 2017/10/19-Core Area Purge Wells to Shut Down for 10 Days
      • Dioxane by Aquifer - 1986-2010
      • Dioxane Plumes 1992-2009
      • Dioxane Plumes Under Pall 1998-2009
      • Dioxane Spread to Lower Elevations 1986-2006 -- west-east view
      • Dioxane Travel Time Modeling
      • Elevation of Wells with Dioxane Readings-1986-2006
      • Gelman Site Dioxane Studies by Dr. Lemke and his Students
      • Highest Ever reads 2012-2015
      • Hinkley CA hexavalent chromium plume vs Pall-Gelman dioxane plumes
      • Pall/Gelman Dioxane vs Old City Landfill - 3D Displays
      • Pall/Gelman Dioxane vs Old City Landfill - on Google earth
      • Pall/Gelman Site in Google Earth
        • 1995 Gelman Database
        • Google Earth Mashup - Components
        • Pall/Gelman Site in Google Earth-2016
        • ppb graphs - scr elev 720-780
      • PGhist-2012-keyslides
      • Timeline - Pall/Gelman Site
        • Timeline - from City of Ann Arbor - as of Feb 2004
    • NEWS
      • 01/06/2016 - State Dioxane Standards May (finally) Tighten in 2016
      • 01/07/2013 - Ongoing Dioxane Sampling Problems
      • 01/09/2012 - Dispute Resolution Court Hearing January 11, 2012
      • 01/10/2013-02/24/2013 - Pall Corp email exchange - cleanup concerns
      • 01/12/2013 - Pall Eliminates All "Dioxane" (from its 2008-2012 10-K reporting)
      • 01/16/2014 - Some Observations on the Pall/Gelman 1,4-Dioxane Groundwater Contamination Site
      • 01/30/2017 - Pall/Gelman Avoids Mapping Deep Dioxane Contamination On Its Original Property
      • 02/08/2012 - Two Sets of "Books" to Monitor the Contamination -or- Cover Up of Faulty Database Conversion?
      • 02/11/2011 - MDNRE Approves Pall/Gelman Plan to Reduce 1,4-Dioxane Groundwater Cleanup
      • 02/14/2016 - Wells with Highest Ever Readings 2013-2015 - Pall Proposes Reduced Sampling
      • 02/20/2013 - Pall/DEQ Split Sample Results Jan 2013
      • 02/22/2018 - Michigan Senate Bills could limit MDEQ cleanup enforcement
      • 02/27/2013 - Pall/Gelman Groundwater Contamination Site - Maximum Dioxane Levels Per year
      • 03/01/2019 - First Detectable (almost undetectable) Dioxane in Ann Arbor's Drinking Water
      • 03/08/2016 - AANews Archive: Pall-Gelman clippings are up!
      • 03/11/2011 - Consent Judgment Changes Reduce Pall/Gelman Cleanup Requirements
      • 03/14/2016 - DEQ Proposes Tighter Dioxane Cleanup Standard
      • 03/21/2013 - Email to DEQ - troubling results ... and resulting thread
      • 03/25/2011 - AADL Video: Our Water, Our Future Panel
      • 03/26/2014 - 1,4-Dioxane Detected in More Drinking Water Supplies Nationwide
      • 03/27/2012 - Collaborative Stakeholders Initiative - Lacked Citizen/Environmental Group Reps
      • 03/30/2011 - Public Meeting
      • 04/02/2019 - A Compliance Well in name only: MW-103s
      • 04/09/2015 - High Readings - northward expansion
      • 04/15/2009 - Shocking news from Circuit Court Judge Donald Shelton
      • 04/27/2009 - Good News, Bad News Follow-up to Schedule Order
      • 04/27/2017 DEQ Extends Emergency Rules to Establish Safer Dioxane Standards
      • 04/28/2019 Bridge - Opinion | Six ways Gretchen Whitmer and lawmakers can protect Michigan water
      • 05/02/2018 - DEQ Tightens Groundwater-Surface Water Interface Standards for Dioxane
      • 05/13/2015 - Pall Corporation to be acquired by Danaher Corporation
      • 05/19/2009 - Pall/Gelman Proposes Major Cuts in Dioxane Cleanup
      • 05/20/2009 - CARD Annual Public Meeting
      • 06/14/2016 - Scio Township Passes Resolution Supporting Making the Gelman Site as EPA Superfund Site
      • 07/09/2015 -Long Term Thinking Needed
      • 07/17/2012 - Alarmingly High Dioxane Level
      • 07/21/2014 - DEQ Settles for $500K - may reduce public data
      • 07/25/2011 - E. coli pollution in Scio Township's Honey Creek
      • 07/31/2005 - Five Year Cleanup Plan Update
      • 08/02/2017 - CARD Responds to DEQ Regarding DEQ Vapor Intrusion Investigation & Dioxane Criteria
      • 08/02/2017 - DEQ Takes Action to Make 7.2 ppb Dioxane Standard Permanent
      • 08/07/2015 - Pall's Little Lake Report
      • 08/11/2010 - US EPA IRIS Report on 1,4-dioxane Human Health Assessment
      • 08/26/2010 - Senate Passes Changes to Part 201
      • 09/01/2013 - September 2013 Observations
      • 09/07/2017 - Industrial solvent widely found in U.S. drinking water
      • 09/15/2014 - Dioxane Travel Time Modeling
      • 09/19/2012 - Forbes Blogger Asks about Pall's 1,4-Dioxane Data
      • 09/19/2014 - Email response to 4/4/14 Sutton review of EG flow
      • 09/20/2011 - Still No Resolution on Pall/Gelman Database Anomalies
      • 10/03/2014 - Pall to Install Monitoring Wells in the Honey Creek Area
      • 10/18/2010 - Secret Negotitaions Continue on Pall/Gelman Proposal to Reduce Cleanup Activities
      • 10/28/2013 - Email to DEQ
      • 10/30/2017 - DEQ Makes 7.2 ppb Dioxane Standard Permanent
      • 11/05/2015 - Even Higher Readings - northward expansion
      • 11/07/2017 - EPA Issues Preliminary Assessment of Gelman site to be a Superfund site
      • 11/17/2010 - DNRE Tentatively Approves Pall/Gelman Cleanup Plan Changes
      • 11/22/2013 - MDEQ proposes outdated cleanup standards
      • 11/24/2010 - Flow Chart of Eastern System Cleanup Term Sheet
      • 12/09/2014 - Scientist with deep industry ties being considered for key EPA job
      • 12/15/2008 - Well Prohibition Zone Expansion?
      • 12/15/2010 - AnnArbor.com Pall/Gelman Article
      • 2009 News
      • 2016/11/29 - EPA will evaluate 1,4-dioxane under the Toxic Substances Control Act
      • 20170806 - Lack of Complete, Central Database Hampers Understanding of Dioxane Plumes
      • 20170914-EPA toxics nominee Dourson advocated for loose dioxane standard
      • List of AANews Gelman/Pall/Dioxane Articles Archive by Date
      • Michigan DEQ Issues Emergency Rules to Establish Safer Dioxane Standards
      • Moratorium on EPA Regulations
      • NGWA Award Questioned
      • Pall Proposes to Terminate Little Lake Dioxane Plume Cleanup
      • Pall's Transmission Pipeline Fails (again)
      • Pall/Gelman Database Changes
      • Prior News
        • 2008/12/15 - Status Conference - Well Prohibition Zone Expansion?
        • 2009/04/15 - Shocking news from Circuit Court Judge Donald Shelton
        • 2009/04/27 - Good News, Bad News Follow-up to Schedule Order
        • 2009/05/19 - Pall/Gelman Proposes Major Cuts in Dioxane Cleanup
        • 2010/08/17 - Senate Passes Changes to Part 201
        • 2010/10/18 - Secret Negotitaions Continue on Pall/Gelman Proposal to Reduce Cleanup Activities
        • 2010/11/17 - DNRE Tentatively Approves Pall/Gelman Plan to Modify the Cleanup
        • 2011/02/07 - Flow Chart of Cleanup Process if DNRE Approves Pall/Gelman's Proposed Changes
        • 2011/02/11 - MDNRE Approves Pall/Gelman Plan to Reduce 1,4-Dioxane Groundwater Cleanup
        • 2011/03/11 - Consent Judgment Changes Reduce Pall/Gelman Cleanup Requirements
        • 2011/03/25 - AADL Video: "Our Water, Our Future" Panel
        • 2011/07/25 - E. coli pollution in Scio Township's Honey Creek
        • 2011/09/20 - Still No Resolution on Pall/Gelman Database Anomalies
        • 2012/01/09 - Dispute Resolution Court Hearing January 11, 2012
        • 2012/02/08 - Two Sets of "Books" to Monitor the Contamination -or- Cover Up of Faulty Database Conversion?
        • 2013/01/07 - Ongoing Dioxane Sampling Problems
        • 2013/01/12 - Pall Eliminates All "Dioxane" (from its 2008-2012 10-K reporting)
        • 2013/02/20 - Pall/DEQ Split Sample Results Jan 2013
        • 2013/02/27 - Pall/Gelman Groundwater Contamination Site - Maximum Dioxane Levels Per year
        • 2013/09/01 - September 2013 Observations
        • 2013/10/28 - Email to DEQ
        • 2014/01/16 - Some Observations on the Pall/Gelman 1,4-Dioxane Groundwater Contamination Site
        • 2014/03/31 - Meeting to Discuss Fracking in Scio Township
        • 2014/04/01 - Advice on fracking rights from HRWC
      • 05/03/2021 - Gelman litigation hearing
    • Other Dioxane Sites
    • Petition to the MDEQ and Governor Rick Snyder to Restore Database Access
    • 2016/11/21 - Petition Requesting the Gelman Site Become a Federal USEPA Superfund Site
    • Prohibition Zone
    • Proposed 4th Consent Judgment Settlement
    • VIDEOS
      • 10/23/1995 DEQ Public Meeting video on Gelman 1995 cleanup plan
      • AADL Video: "Our Water, Our Future" Panel
      • Audio Recordings
      • CTN Other Perspectives: Toxic Plume
      • Robots Talk About Pall/Gelman Cleanup--obsolete-XtraNormal is gone
      • Videos of Earlier Public Meetings
      • Videos of Pall/Gelman Discharge Point
    • Volunteer
    • Previous SRSW Home Pages
      • Copy of SRSW.org-20240509
      • Copy of SRSW.org-20210928
    • 2022/12/01 Two Newly Published Articles about Gelman Site Dioxane
    • 01/24/2024 Public Notice of Gelman NPDES Permit Renewal
    • Dioxane Plumes 1992-2023
    • Dioxane Plumes 1992-2020
    • 20240603-Gelman NPL Superfund
  • Home
  • More
    • SRSW.org
      • ARCHIVES
        • 06/06/2005 Notice to SRSW subscribers - discharge to Honey Creek Tributary
        • 09/13/2005 Pall Permit Meeting/Hearing - comments
        • 1999-2004 SRSW News
          • 1999/07/09-Latest on the Pall-Gelman Contamination
          • 1999/10/05-The Contested Hearings Case
          • 2000/01/07-SRSW Press Release
          • 2000/02/02-Videotape to air on CTN
          • 2000/03/05-Michigan's Attorney General sues Pall-Gelman
          • 2000/04/12-Contested Case Results
          • 2000/06/25-Harding revises Pall-Gelman discharge permit
          • 2000/07/23-Shelton orders remediation enforcement
          • 2000/09/27-Comments on the Pall-Gelman 5 year plan
          • 2000/10/14-Comments on the Pall-Gelman 5 year plan (continued)
          • 2000/11/28-News from Pall-Gelman November report packet
          • 2000/12/04-News from Pall-Gelman November report packet (continued)
          • 2000/12/14-News from Pall-Gelman November report packet (continued)
          • 2000/12/24-News from Pall-Gelman November report packet (continued)
          • 2001/03/29-1,4-Dioxane found in deepest aquifer
          • 2001/04/11-1,4-Dioxane found in deepest aquifer (continued)
          • 2001/04/12-1,4-Dioxane pollutes Ann Arbor Municipal Supply Well
          • 2001/06/22-More 1,4-Dioxane found in deepest aquifer
          • 2001/10/14-Plume definition and capture still lacking
          • 2001/12/09-Deep aquifer contamination spread farther than expected
          • 2002/01/14-Contamination increases in newly discovered plume
          • 2002/01/28-Other contamination found in deepest aquifer
          • 2002/03/01-Public hearing on Pall's discharge permit
          • 2002/03/04-Permit would add Dioxane to drinking water sources
          • 2002/03/13-Public meeting on permit changes
          • 2002/04/04-Problems with permit changes aired
          • 2002/04/14-New Dioxane finds in Ann Arbor
          • 2002/05/08-DEQ approves permit changes
          • 2002/08/03-Community-Acceptable Cleanup in Court
          • 2002/08/14-Judge finds permit clause unlawful
          • 2002/10/22-Concerns about Pall-Gelman contamination site
          • 2002/11/06-Chronic toxicity test failure shuts down Pall cleanup
          • 2002/12/22-Pall slow to delineate plume
          • 2003/02/11-Public meeting on Pall-Gelman contamination
          • 2004/03/24-Community Meeting
          • 2004/07/09-SRSW Response to DEQ E Unit Cleanup Plan
        • Ann Arbor News - dioxane search
        • Comments on April 2004 Sampling Data
        • DEQ-EGLE Legal Docs
        • Emails/Letters
          • 2016/01/29-Email to DEQ from Roger Rayle/SRSW - Data problems may mislead decision makers
        • hvcn.org-srsw--archive
        • Pall/Gelman Dispute Resolutions
        • Pall/Gelman Documents on Box.net
        • Past - Featured
        • Why Wasn't E Plume Caught Earlier
        • Flow Chart of Cleanup Process after Proposed Changes
      • Commentary
        • Examples of Pall's Understanding of the Site
      • Contact SRSW
      • DATA
        • 2004-2010 deep Evergreen SWLs
        • 2004-2010 deep Evergreen SWLs Motion Chart
        • Dioxane ppb/year motion chart
        • MotionChart-1986-2009Data
        • Water Levels Motion Charts
        • Wells by Screen Elevation (as of 2017)
      • Donate
      • EPA Petition
      • EVENTS
      • MAPS/IMAGES
        • 1986-2006-West-East-Well_Depths
        • 2009 Dioxane Plume Map
        • 2009 MotionChart-ppblog-time-ScrElev
        • 20121004-BOCworksession
        • 2015 dioxane level graphs - northernmost wells
        • 2015 hits - Honey Creek Trib - D0
        • 20160418-CARD-TownhallMtg-FINAL
        • 20160929-dioxane-update
        • 2017/10/19-Core Area Purge Wells to Shut Down for 10 Days
        • Dioxane by Aquifer - 1986-2010
        • Dioxane Plumes 1992-2009
        • Dioxane Plumes Under Pall 1998-2009
        • Dioxane Spread to Lower Elevations 1986-2006 -- west-east view
        • Dioxane Travel Time Modeling
        • Elevation of Wells with Dioxane Readings-1986-2006
        • Gelman Site Dioxane Studies by Dr. Lemke and his Students
        • Highest Ever reads 2012-2015
        • Hinkley CA hexavalent chromium plume vs Pall-Gelman dioxane plumes
        • Pall/Gelman Dioxane vs Old City Landfill - 3D Displays
        • Pall/Gelman Dioxane vs Old City Landfill - on Google earth
        • Pall/Gelman Site in Google Earth
          • 1995 Gelman Database
          • Google Earth Mashup - Components
          • Pall/Gelman Site in Google Earth-2016
          • ppb graphs - scr elev 720-780
        • PGhist-2012-keyslides
        • Timeline - Pall/Gelman Site
          • Timeline - from City of Ann Arbor - as of Feb 2004
      • NEWS
        • 01/06/2016 - State Dioxane Standards May (finally) Tighten in 2016
        • 01/07/2013 - Ongoing Dioxane Sampling Problems
        • 01/09/2012 - Dispute Resolution Court Hearing January 11, 2012
        • 01/10/2013-02/24/2013 - Pall Corp email exchange - cleanup concerns
        • 01/12/2013 - Pall Eliminates All "Dioxane" (from its 2008-2012 10-K reporting)
        • 01/16/2014 - Some Observations on the Pall/Gelman 1,4-Dioxane Groundwater Contamination Site
        • 01/30/2017 - Pall/Gelman Avoids Mapping Deep Dioxane Contamination On Its Original Property
        • 02/08/2012 - Two Sets of "Books" to Monitor the Contamination -or- Cover Up of Faulty Database Conversion?
        • 02/11/2011 - MDNRE Approves Pall/Gelman Plan to Reduce 1,4-Dioxane Groundwater Cleanup
        • 02/14/2016 - Wells with Highest Ever Readings 2013-2015 - Pall Proposes Reduced Sampling
        • 02/20/2013 - Pall/DEQ Split Sample Results Jan 2013
        • 02/22/2018 - Michigan Senate Bills could limit MDEQ cleanup enforcement
        • 02/27/2013 - Pall/Gelman Groundwater Contamination Site - Maximum Dioxane Levels Per year
        • 03/01/2019 - First Detectable (almost undetectable) Dioxane in Ann Arbor's Drinking Water
        • 03/08/2016 - AANews Archive: Pall-Gelman clippings are up!
        • 03/11/2011 - Consent Judgment Changes Reduce Pall/Gelman Cleanup Requirements
        • 03/14/2016 - DEQ Proposes Tighter Dioxane Cleanup Standard
        • 03/21/2013 - Email to DEQ - troubling results ... and resulting thread
        • 03/25/2011 - AADL Video: Our Water, Our Future Panel
        • 03/26/2014 - 1,4-Dioxane Detected in More Drinking Water Supplies Nationwide
        • 03/27/2012 - Collaborative Stakeholders Initiative - Lacked Citizen/Environmental Group Reps
        • 03/30/2011 - Public Meeting
        • 04/02/2019 - A Compliance Well in name only: MW-103s
        • 04/09/2015 - High Readings - northward expansion
        • 04/15/2009 - Shocking news from Circuit Court Judge Donald Shelton
        • 04/27/2009 - Good News, Bad News Follow-up to Schedule Order
        • 04/27/2017 DEQ Extends Emergency Rules to Establish Safer Dioxane Standards
        • 04/28/2019 Bridge - Opinion | Six ways Gretchen Whitmer and lawmakers can protect Michigan water
        • 05/02/2018 - DEQ Tightens Groundwater-Surface Water Interface Standards for Dioxane
        • 05/13/2015 - Pall Corporation to be acquired by Danaher Corporation
        • 05/19/2009 - Pall/Gelman Proposes Major Cuts in Dioxane Cleanup
        • 05/20/2009 - CARD Annual Public Meeting
        • 06/14/2016 - Scio Township Passes Resolution Supporting Making the Gelman Site as EPA Superfund Site
        • 07/09/2015 -Long Term Thinking Needed
        • 07/17/2012 - Alarmingly High Dioxane Level
        • 07/21/2014 - DEQ Settles for $500K - may reduce public data
        • 07/25/2011 - E. coli pollution in Scio Township's Honey Creek
        • 07/31/2005 - Five Year Cleanup Plan Update
        • 08/02/2017 - CARD Responds to DEQ Regarding DEQ Vapor Intrusion Investigation & Dioxane Criteria
        • 08/02/2017 - DEQ Takes Action to Make 7.2 ppb Dioxane Standard Permanent
        • 08/07/2015 - Pall's Little Lake Report
        • 08/11/2010 - US EPA IRIS Report on 1,4-dioxane Human Health Assessment
        • 08/26/2010 - Senate Passes Changes to Part 201
        • 09/01/2013 - September 2013 Observations
        • 09/07/2017 - Industrial solvent widely found in U.S. drinking water
        • 09/15/2014 - Dioxane Travel Time Modeling
        • 09/19/2012 - Forbes Blogger Asks about Pall's 1,4-Dioxane Data
        • 09/19/2014 - Email response to 4/4/14 Sutton review of EG flow
        • 09/20/2011 - Still No Resolution on Pall/Gelman Database Anomalies
        • 10/03/2014 - Pall to Install Monitoring Wells in the Honey Creek Area
        • 10/18/2010 - Secret Negotitaions Continue on Pall/Gelman Proposal to Reduce Cleanup Activities
        • 10/28/2013 - Email to DEQ
        • 10/30/2017 - DEQ Makes 7.2 ppb Dioxane Standard Permanent
        • 11/05/2015 - Even Higher Readings - northward expansion
        • 11/07/2017 - EPA Issues Preliminary Assessment of Gelman site to be a Superfund site
        • 11/17/2010 - DNRE Tentatively Approves Pall/Gelman Cleanup Plan Changes
        • 11/22/2013 - MDEQ proposes outdated cleanup standards
        • 11/24/2010 - Flow Chart of Eastern System Cleanup Term Sheet
        • 12/09/2014 - Scientist with deep industry ties being considered for key EPA job
        • 12/15/2008 - Well Prohibition Zone Expansion?
        • 12/15/2010 - AnnArbor.com Pall/Gelman Article
        • 2009 News
        • 2016/11/29 - EPA will evaluate 1,4-dioxane under the Toxic Substances Control Act
        • 20170806 - Lack of Complete, Central Database Hampers Understanding of Dioxane Plumes
        • 20170914-EPA toxics nominee Dourson advocated for loose dioxane standard
        • List of AANews Gelman/Pall/Dioxane Articles Archive by Date
        • Michigan DEQ Issues Emergency Rules to Establish Safer Dioxane Standards
        • Moratorium on EPA Regulations
        • NGWA Award Questioned
        • Pall Proposes to Terminate Little Lake Dioxane Plume Cleanup
        • Pall's Transmission Pipeline Fails (again)
        • Pall/Gelman Database Changes
        • Prior News
          • 2008/12/15 - Status Conference - Well Prohibition Zone Expansion?
          • 2009/04/15 - Shocking news from Circuit Court Judge Donald Shelton
          • 2009/04/27 - Good News, Bad News Follow-up to Schedule Order
          • 2009/05/19 - Pall/Gelman Proposes Major Cuts in Dioxane Cleanup
          • 2010/08/17 - Senate Passes Changes to Part 201
          • 2010/10/18 - Secret Negotitaions Continue on Pall/Gelman Proposal to Reduce Cleanup Activities
          • 2010/11/17 - DNRE Tentatively Approves Pall/Gelman Plan to Modify the Cleanup
          • 2011/02/07 - Flow Chart of Cleanup Process if DNRE Approves Pall/Gelman's Proposed Changes
          • 2011/02/11 - MDNRE Approves Pall/Gelman Plan to Reduce 1,4-Dioxane Groundwater Cleanup
          • 2011/03/11 - Consent Judgment Changes Reduce Pall/Gelman Cleanup Requirements
          • 2011/03/25 - AADL Video: "Our Water, Our Future" Panel
          • 2011/07/25 - E. coli pollution in Scio Township's Honey Creek
          • 2011/09/20 - Still No Resolution on Pall/Gelman Database Anomalies
          • 2012/01/09 - Dispute Resolution Court Hearing January 11, 2012
          • 2012/02/08 - Two Sets of "Books" to Monitor the Contamination -or- Cover Up of Faulty Database Conversion?
          • 2013/01/07 - Ongoing Dioxane Sampling Problems
          • 2013/01/12 - Pall Eliminates All "Dioxane" (from its 2008-2012 10-K reporting)
          • 2013/02/20 - Pall/DEQ Split Sample Results Jan 2013
          • 2013/02/27 - Pall/Gelman Groundwater Contamination Site - Maximum Dioxane Levels Per year
          • 2013/09/01 - September 2013 Observations
          • 2013/10/28 - Email to DEQ
          • 2014/01/16 - Some Observations on the Pall/Gelman 1,4-Dioxane Groundwater Contamination Site
          • 2014/03/31 - Meeting to Discuss Fracking in Scio Township
          • 2014/04/01 - Advice on fracking rights from HRWC
        • 05/03/2021 - Gelman litigation hearing
      • Other Dioxane Sites
      • Petition to the MDEQ and Governor Rick Snyder to Restore Database Access
      • 2016/11/21 - Petition Requesting the Gelman Site Become a Federal USEPA Superfund Site
      • Prohibition Zone
      • Proposed 4th Consent Judgment Settlement
      • VIDEOS
        • 10/23/1995 DEQ Public Meeting video on Gelman 1995 cleanup plan
        • AADL Video: "Our Water, Our Future" Panel
        • Audio Recordings
        • CTN Other Perspectives: Toxic Plume
        • Robots Talk About Pall/Gelman Cleanup--obsolete-XtraNormal is gone
        • Videos of Earlier Public Meetings
        • Videos of Pall/Gelman Discharge Point
      • Volunteer
      • Previous SRSW Home Pages
        • Copy of SRSW.org-20240509
        • Copy of SRSW.org-20210928
      • 2022/12/01 Two Newly Published Articles about Gelman Site Dioxane
      • 01/24/2024 Public Notice of Gelman NPDES Permit Renewal
      • Dioxane Plumes 1992-2023
      • Dioxane Plumes 1992-2020
      • 20240603-Gelman NPL Superfund
    • Home

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