Larry R.

3M ENVIRONMENTAL LABORATORY REPORT NO.

Proposals for NEW POPs pplge 1 o f 3 A fU u - e/9 HOME UNECE United Nations Economic MTH1 SEARCH p MEETINGS URCES ABOUT UNECE CONTACT UNECE I Convention Home Convention on Long-range Transboundary Air Pollution Task Force on Persistent Organic Pollutants Chairs' reports M e eting s Proposals for new POPs WGSR Convention homepage Links: World Meteorological Organization European Environment Agency EANET NARSTO IGAC UNEP POPs 12, Print this page The technical review of dossiers of substances thal be proposed by Parties for inclusion into annexs I and III of the 1998 Protocol on Persistent Orgat Pollutants (POPs) This inform ation package has been prepared by the Co-Chairs of the Task Force on POPs.

AR226-3640 B B1 05P-0185-2 1 Sand to Silty Sand (Alluvium) 2 Silty Sand (Alluvium) 3 Sandy Silt (Till) 4 Silty Sand (Till) 5 Gravelly Sand (Alluvium) 6 Silty Sand (Alluvium) 7 Gravelly Sand (Alluvium) 8 Silty Sand (Alluvium) 9 Peat Grain size distribution and permeability data available I Well screen 0 250 500 750 1000 Horizontal Scale (Feet) Source: Barr Engineering Co.

AR226-3636 INTERIM REPORT #1 Analysis of Oakdale Water Samples STUDY TITLE Analysis of Perfluorooctanoic Acid (PFOA), Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, and Clams Using LC/MS/MS for the 3M Cottage Grove Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE May 19, 2005 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 .

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Precise Research.

Precise Research.

0730 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (COROPHIUM VOLUTATOR) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).