A R HHG - O &KQ ACUTE TO XICITY TO FISH TEST SUBSTANCE ______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-185F. (1Octanesulfonic acid) (CAS # 2795-39-3) Remarks: The 3M production lot number was 1-2303.

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M <6 - 0 7 5 8 EFFECT OF DEGRADATION ON FOAMING TEST SUBSTANCE________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203A or FC203 NFP. (1-Octanesulfonic acid) (CAS # 2795-39-3).

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Acute Oral Toxicity Screen with T-3065COC in Albino Bats a S iV' ,$ ^ < sj u v-^V Kxpr'ri.incnt No. : Conducted At: Dates Conducted: Conducted By: 0981AR0145 Safety Evaluation Laboratory Riker Laboratories, Inc.

Wia.6-ozod ACUTE TO XIC ITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE_________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

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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.)

Pathology and Toxicology Riker Laboratories, Inc.