MICROBICS MICROTOXC TOXICITY TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, oras a component of FC-203CE. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO AQUATIC INVERTEBRATES TEST SU STANCE (EASTERN OYSTER) Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referredtoas PFOS, FC-95, or as a component of FC-206 or L3243. (1-Octanesulfoniacid)(CAS # 2795-39-3).

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.: SM SRMCeorptoratSeeTrovey and 3S S M CnA BS ung 2200605 ---- Este ARR AC _ 3577 606JJK24 fii 1:00 oe -- 1305 00374 ies, Geap-a1-39Y4 Document rosssing Center (Mail Code 407M) Room 6428 Attention: TSCA 8(e) Coordinator OU1fS2fS0i.1cEeCnoovfnPisoriloulntumiteionotnnaAlPvrreetvneeunsteiiN,oo.nn.aAngdeTroxeics Washington, D.

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1) OECD 423-OPPTS 870.1100, Acute oral toxicity (rat), 132-002 Acute Oral Toxicity Study of T-7485 Administered to Spraque-Dawley Rats Study Number: 132-002 ACUTE ORAL TOXICITY STUDY OF T-7485 ADMINISTERED TO SPRAGUE-DAWLEY RATS STUDY NUMBER: 132-002 SANITIZED SPONSOR 3M Corporate Toxicology 3M Center, Building 220-2E-02 P.O.Box 33220 St.

3 1) TGA in air and helium (Decomp. onset: 505C (He), 522C (Air) and DSC Contains No CBI 100 - 80- 60- 8 sE.a 40- 20- 0 ~"'I"~'I'"""I'"'1'"'I'"'1"" 0 100 200 300 400 500 600 700 800 Temperature, C PFOS Salt (C8F17S03K) 100 ___.. 80 60 8 sE.s 40 20 0 0 100 200 300 400 500 600 700 800 Temperature, C PFBS Salt (C4F9S03K)

January 8, 2009 Via Federal Express Document Processing Center (Mail Code 7407M) Room 6428 Attention: 8(e) Coordinator Office of Pollution Prevention and Toxics U.S .

.iean B.

"McCrea, Deborah" <mccrea cQr taftlaw.com> 11 /02/2009 11 :42 AM To NCIC OPPT@EPA cc "Bilott, Robert A ."

3M Environmental, Health and Safety Operations 3M Center, Building 0224-05-W-03 St.

i Centre Analytical Laboratories, Inc. 0 "504P8honeR:e(s8e1a4r)c2h3D1-i8v0e32 Fax: (814) 23S1-a1t25e3Coolrl(a6g1e4,) 2P3A1-161850810 i EN-5 i Analytical Report i Fluorochemical Characterization of Drinking Water Samples Port St.

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