BACK TO MAIN m 'ijy i TECHNICAL REPORT SUMMARY Ootu _ 1/7/80 TO: TECHNICAL COMMUNICATIONS CENTER - 201-2CN (Im portant -- Ifreport is printed on both sides o f paper, send two copies to TCC.)

BACK TO MAIN Study Title Microbial Metabolism (Biodegradation) Studies of Perfluorooctane Sulfonate (PFOS) 11!.

BACK TO MAIN Summary of Nave Rat/Rat Chow/Fish Meal Study Analyses Conducted by the 3M Environmental Lab (prepared 03/01/01) Nave Rats (Taken from summary report issued in 1998.)

Attachment to Letter to C.

ARZ%-ortH TOXICITY TO AQUATIC PLANTS (E.G., ALGAE) 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: The test substance is a white powder.

/IR33S-OIS6 28 Day Percutaneous Absorption Study with FC-99 in Albino Rabbits Experiment No Conducted At: Dates Conducted: Conducted By: 0979AB0633 Safety Evaluation Laboratory Riker Laboratories, Inc.

HAZLETON LABORATORIES AMERICA, INJC.

C O RN IN G Hazleton MUTAGENICITY TEST ON ; IN AN /A VIVO MOUSE MICRONUCLEUS ASSAY FINAL REPORT AUTHOR Hemalatha Murli, Ph.D.

AfW-ossH ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G.

ARX-OW BIODEGRADATION TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, orFC-109-X.

HAZLETON WISCONSIN O s T O F F I C E BOX 754$ ADlSON.

3M ENVIRONMENTAL LABORATORY REPORT NO.

3M ENVIRONMENTAL LABORATORY REPORT NO.

3M ENVIRONMENTAL LABORATORY REPORT NO. 07-0650 Final Report Analysis of PFBA, PFOA, PFBS, PFOS, FBSA, and FOSA in Aqueous Samples from 3M Decatur, Alabama 3M Decatur NPDES Permit Number AL0000205: Quarterly FC Monitoring of Outfall DSN001; 4th Quarter 2007 Sampling Laboratory Request Number: E07-0650 Method Requirement: 3M Method ETS-8-154.1 Report Date -December 10, 2007 Testing Laboratory 3M EHS Operations 3M Environmental Laboratory Building 260-5N-17 Maplewood, MN 55144-1000 Requester Gary Hohenstein 3M Building 42-02-E-27 PO Box 3331 Saint Paul, MN 55133-3331 Phone: (651)778-5150 Fax: (651)778-7203 1ir accredited] Certificate #2052-01 The testing reported herein meet the requirements of ISO/IEC17025-2005 "General Requirements for the Competence of Testing and Calibration Laboratories", in accordance with the A2LA Certificate #2052-01.

A R 226 'C o ' Oral Teratology Study of FC-95 in Rats Experiment No.: Conducted At: Dosing Period: Study Director: 0680TR0008 Safety Evaluation Laboratory Riker Laboratories, Inc.