BACK TO MAIN BIODEGRADATION (Aerobic Soil and Sediment Cultures) 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 3M production lot number was 217 (TN-A-2130).

TOXICITY TO AQUATIC PLANTS (Duckweed, Lemna gibba G3) 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: Sample obtained from 3M production lot number 217.

BACK TO MAIN TOXICITY TO AQUATIC PLANTS (Duckweed, Lemna gibba G3) 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: Sample obtained from 3M production lot number 217.

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.

TECHNICAL REPORT SUMMARY TO: TECHNICAL COMMUNICATIONS CENTER - 201-2CN BACK TO MAIN IDiltv 8/25/81 1 - (1ttitwrt;iiit I f report is-prititcd on tmth sides of paper, send two copies to TCC.)

BACK TO MAIN i May 3,2001 . .

3M Environmental Technology and Services PO Box 33331 St.

9osy,t,_ on_, _.

.. . 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.

Study No.

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.