BACK TO MAIN Focus Environmental, Inc.

BACK TO MAIN PFOS: A 96-HOUR TOXICITY TEST WITH THE: MARINE DIATOM (Skeletonema costaturn) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

BACK TO MAIN ACCUMULATION OF PERFLUOROOCTANESULFONATE AND RELATED FLUOROCHEMICALS IN FISH TISSUES John P.

BACK TO MAIN i May 3,2001 . .

ENV/JM/MONO(2009)1 Unclassified Unclassified ENV/JM/MONO(2009)1 Organisation de Coopration et de Dveloppement conomiques Organisation for Economic Co-operation and Development 27-Jan-2009 ___________________________________________________________________________________________ English - Or.

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.. . 3M Strategic Toxicology Laboratory Study Title: Acute Inhalation Limit Toxicity Study of Perfluoroctanesulfonyl Fluoride (POSF) T-7098.3 rest Number (sample): T-7098.3 (Perfluoroctanesulfonyl Fluoride (POSF) Laboratory Project Identification: ST64 [n-Life Initiation Date: 5/1/2001 [n-Life Completion Date: 5/14/2001 Research Client: 3M Specialty Materials Division 3M Center Building 236 Saint Paul, MN 55 133-3220 Testing Laboratory: 3M Strategic Toxicology Laboratory 3M Center Building 270-SB-181 Saint Paul, h8N 55133L3220 Study Director: Andrew M.

Lab0ratoyRep-t-Revision1 Analytical Reportof Data for PFOS Dietary LC50 Studiyn Northern Bobwhite (Sera and Liver) Laboratory Report No.FACT-TOX-129 (U2723) Testing Laboratory ~~~ ~ 3M Environmental Technology& Safety Services 3M Environmental Laboratory FluorineAnalybcal Chemistry Team (FACT) 2-3E-09 935 Bush Avenue, St.

Study Title TENNESSEE RIVER VALLEY SAMPLES Author Mark E.

L.T , /7 P 3M AEbi KSaSthVriicneeP.resRiedeendt, PhD.

AR226-2006 INTEROFFICE MEMORANDUM Date; From; Depts Tel No; 14-Mar-1983 l0:34om Hiiliarn A.

AR226-2270 GIST MEETING March 5,2002 Dave Wafkins, chairperson, called the meeting to order at 9:15 am on March 5,2002.

AR226-2350 Ohio EPA December 2,2003 Objectives Provide grounding/update on recent activities Solicit input on upcoming activities Agenda Water - GIST Final Report Recommendations - Proposed MOU Based on GIST Recommendations - OEPA Requests - DuPont Suggested Modifications Air - Review Recent Model Results - Air Permit Update - Additional Reduction Programs - Air Model Verification Plan Proposed Memorandum of Understanding-West Virgini DEP and Ohio EPA Summary of Activities December 2, 2003 GIST Report Recommendations Summary Final GIST report issued August, 2003 Continued quarterly/annual monitoring of certain Ohio River public water systems Quarterly/annual monitoring of private water supplies (10 locations West Virginia and Ohio - West Virginia: Wash Works 0-2 mile radius and Dry Run Landfill/Letart Landfill 1-mile radius - Ohio: Wash Works 0-2 mile radius - List to include wells, springs, cisterns Conduct C8 monitoring at all DuPont Washington Works facilities according to applicable West Virginia Solid Waste/NPDES, NPDES and EPA HSWA (Corrective Action) permit requirements Proposed MOU -Administrative Details Parties: - West Virginia Department of Environmental Protection - West Virginia Department of Health and Human Resources - Ohio Environmental Protection Agency - E.I. du Pont de Nemours & Company Objectives: - Continued monitoring and reporting ofC8 concentrations in groundwater and surface water - Implement recommendations of me GIST concerning continu sampling and monitoring in WV & Ohio ("in and around the facilities") - Begin first quarter 2004 Proposed MOU -Public Water System Sampling WV Public Water Systems: - Quarterly sampling 1Q2004-4Q2005 atLubeckPS DuPont WW, and GE production wells and finished water (if applicable) - Annual sampling 2004-2005 at Blennerhassett Islan State Park, Mason Cty.

AR226-2574 GROUNDWATER INVESTIGATION QUALITY ASSURANCE PROJECT PLAN FOR WASHINGTON WORKS PLANT Date: January 2002 Project No.: D6WV/7423.01 CHB^ ^ CORPORATE REMEDIATION GROUP..

AR226-2601 Ohio EPA December 2,2003 'W' Objectives Provide grounding/update on recent activities Solicit input on upcoming activities '^-^--s^-s-ss ^,^f Agenda Water - GIST Final Report Recommendations - Proposed MOU Based on GIST Recommendations - OEPA Requests - DuPont Suggested Modifications Air - Review Recent Model Results - Air Permit Update - Additional Reduction Programs - Air Model Verification Plan Proposed Memorandum Understanding-West Virg DEP and Ohio EPA Summary of Activities December 2, 2003 '^^' GIST Report Recommendations Summary Final GIST report issued August, 2003 Continued quarterly/annual monitoring of certain Ohio River water systems Quarterly/annual monitoring of private water supplies (10 loca West Virginia and Ohio - West Virginia: Wash Works 0-2 mile radius and Dry Run Landfill/Letart Landfill 1-mile radius - Ohio: Wash Works 0-2 mile radius - List to include wells, springs, cisterns Conduct C8 monitoring at all DuPont Washington Works faci according to applicable West Virginia Solid Waste/NPDES, N and EPA HSWA (Corrective Action) permit requirements hV~'WSsy^ ^ Proposed MOU -Administrative Details Parties: - West Virginia Department of Environmental Protection - West Virginia Department of Health and Human Resour - Ohio Environmental Protection Agency - E.I, du Font de Nemours & Company Objectives: - Continued monitoring and reporting of C8 concentration gromidwater and surface water - Implement recommendations of me GIST concerning co sampling and monitoring in WV & Ohio ("in and around facilities") - Begin first quarter 2004 g g 5 " ^ 5 S I-1 .j " ro ljL U} U) Proposed MOU -Public Water System Samplin WV Public Water Systems: - Quarterly sampling 1Q2004-4Q2005 at Lubec DuPont WW, and GE production wells and fin water (if applicable) - Annual sampling 2004-2005 at Blemierhassett State Park, Mason Cty.