3M Specialty Materials 3M Center St.

BACK TO MAIN ACUTE ORAL TOXICITY TO TERRESTRIAL INVERTEBRATES (HONEY BEE) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks field: The 3M production lot number was 217.

02/28/2001 ~ ~ ENVIRONMENTAL LABORATORY ARCHIVED FINAL REPORT B1ACK TO MAIN LAB REQUEST NO. 8442 REQUESTOR NAME: EAR DEPARTMENT: 0535 PROJECT NO: 9970012600 DATE RECEIVED: 0 9 / 0 7 / 1 9 8 2 DESC: ENVIRONMENTAL SCREEN ON L-6778 CONTRACT LAB(S): EXP COMP DATE: 11/12/1982 DATE COMPLETED: 1 1 / 0 9 / 1 9 8 2 PROJECT LEAD: PHONE NO: 3M FAX NO: 651-778-6176 EVAPORATE TO DRYNESS UNDER AIR OR N2.

PERFLUOROOCTANESULFONATE, POTASSIUM SALT (PFOS): A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE RAINBOW TROUT (Oncorhynchusmykiss) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

TITLE: SAMPLE TRACKING OF WILDLIFE SAMPLES ANALYZED FOR CONCENTRATIONS OF PERFLUO BY: John L.

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AR226-2106 Test Results Sample Date Range Concentration Range Action Level Industrial Hygiene lfl/79 1231/79 100% Sample Dt Sample?

AR226-2290 Chris E Shoop 09/05/2002 02:32 PM To: cc: Subject: Debbie J Mulrooney/AE/DuPontQDuPont, wevociaur@comcast.net Robert F Pinchot/DEV/AE/DuPont@DuPont, Karl G Kronberg/AE/DuPontQDuPont, Ta-Wei Fu/SE/DuPontQDuPont, Robert L Ritchey/CL/DuPontQDuPont Stacks & Emissions tor Current and 2003 Modeling Debbie / Bob, Please see the attached sheet named Stacks & Surfactant Emissions- 12c.zip for 2001,2002, and 2003 emission estimates.

AR226-2577 j'AndFewS'HarttBn ----:-- "^ ----------01/31/2002 O'^SSTVn To: cc; Subject: M.

AR226-2587 Division of Water Resources 1201 Greenbrier Street Charleston, WV 2531)-1108 304-558-2108 Fax: 304-558-2780 West Virginia Department of Environmental Protection Bob Wise Governor 3 July 2002 Miehtel 0.

AR226-3209 TRADE SECRET Study Title H-23926: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-2920 AUTHOR: Carol Finlay, B.A.

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TSCA Section 8(e) Office z 26 _ 37~ P. 1 October 23, 2006 Page 3 Attachment 1 First Chemical Corporation - Pascagoula, Mississipp i 2006 Update - Employee Blood Serum Results = Summary Job Name ~.

TesfResu|ts' AR226-2124 file:///C|/WIN!

AR226-2808 TRADE SECRET Study Title H-24750: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ED: DuPont-11561 AUTHOR: CarolFinlay,B.A.