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i4l.-2fc-03T5 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identify: Perfluorooctanesulfonyl fluoride; may also be referred to as POSF, or FX-8. (1-Octanesulfonyl fluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, CAS #30735-7).

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ACUTE TOXICITY TO FISH (FATHEAD MINNOM TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatew,hich may also be referredto as PFOS, FC-95, or as a component of FC-206C and 81-2/8. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecaflpuootraos-s,ium salt,CAS # 2795-39-3) Remarks: The 3M producton lotnumber was not noted.

AR226-1429 DR.U.NOACK-LABORATORIUM FR ANGEWANDTE BIOLOGIE 1-Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10heptadecafluoro- Earthworm (Eisenia fetida), Acute Toxicity Test in Artificial Soil _______________________________ acc. to OECD Guideline 207 for Testing of Chemicals (adopted April 04, 1984) RECEIVED OPPT NCIC 2003 July 18 1:00PM Sponsor Telomer Research Project ASAHI GLASS CLARIANT DAIKIN INDUSTRIES LTD DUPONT Author Martina Noack Test Facility DR.U.NOACK-LABORATORIUM FR ANGEWANDTE BIOLOGIE Kthe-Paulus-Str. 1 D-31157 Sarstedt Laboratory Project ID Project-No.

AR226-03%9 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G..DAPHNIA) TEST SUBSTANCE Identity: Perfluorodecanesulfonate, ammonium salt; may also be referred to as PFDS, FC-121-X, or 3M Sample E2112 and E2566-1 a- Decanesulfonic acid, 1,1.2,23,34,4556,6,7,7.8,8,9,9,10,10,10-heneicosafluoro-, ammonium salt, CAS # 67906-42-7) Remarks: Test sample is a mixture of the test substance in water and 2propanol, 1-(1,1-dimethylethoxy).

MICROBICS MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: tPoerafsluPoFrDodSe,caFnCe-s1u2l1f-oXn,atoer,3aMmmSoanmipulem Esa2lt1;1m2aayndalEs2o56b6e-1r.efe(r1r-ed D1e,c12a,n2e.s3u.l3f,o4n.i4c.5a.c5i6d,.6,7,7,8,89.9.10,10,10-heneicosafluoro-, ammonium salt, CAS # 67906-42-7) pRreompaarnkosl,: 1T-e(s1t.1s-daimmpeltheylisetahomxiyx)t.ureThoifsthmeixtteusrtescuobnsttaainncseaipnprwoaxtiemraatenldy22-2- p2e6r%fltueosrtonsounbasnteasnuclef,on3a3t-e3,7a%mpmroonpainuoml, s1al-t(1a,n1d-d3im8e-t4h2yl%etwhatoexry))., 0.5-1.5% All values trheepoarctteudalrecloantceetnotrthaitsiomnixtoufrteh.e tNesotcsaulbcsultaatnicoensinwetrheetmesatdseamtpolaed.jusTtesftor material was from 3M production lot 1 Note: Only the summary page was available for this study METHOO Method: Microbics Microtox Procedure Test type: Static acute GLP: Year CNomopleted: 1987 ASnpaelcyiteisc:alPhmootnoibtaocrtienrgi:uNmopnheosphoreum TSteasttisotircgaalnmiestmhsoodusr:ceM:icMriocbriocbsiccsomMpiuctreortosxoftRweaargeepnatckage RTeepslticcoantdeist:ioTnws:o Per Microbics method RESULTS TNeosmtinSaalmpcloneceEnltermaetnitonvsa:lu1e2s5:, 2550-,mi50n0u,te1E0C0s0)m=g6/4L0 (605-670) mg/L 15-minute ECso =290 (260-310) mg/L All element values based on nominal concentrations.

BACK TO MAIN BIODEGRADATION (METHYLENE BLUE ACTIVE SUBSTANCE) 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 was 158.

AR.A3.6 - 07^6 A C T IV A T E D S L U D G E R E S P IR A T IO N IN H IBITIO N T E S T T E S T S U B S T A N C E ___________________________________________________ Identity: A mixture containing perfluorooctanesulfonate; m ay a lso be referred to a s P F O S , FC-95, or a s a com ponent of F C -2 0 3 C and L-5440. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, C A S # 2795-39-3) R e m arks: The 3M production lot num ber w as 501.

R a .6 _ 0 7 5 5 MICROBIOS M ICROTOX TO XIC ITY TEST TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR R36 -- 083% ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: AbemirxefteurrreedcotnotaaisnPinFgOpSe,rfFlCu-o9r5oo,cotranaessualfcoonmapteo,newnhitcohfmFaC-y60a0l.so (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) sRaemmpalreksis:FC-T6h0e0 3(fMropmroAdnutcwteiropn,loBtelnguimubm)e.r wCaursrenontt ninoftoerdm.atTihoneitnedsitcates ibtuitsylaemtihxetr,ur1e.o0f01%.s0o%dPiFumOSo,cty8l1s.u2lf0a%tew,a2te.r0,01%2p.r0o0p%andeieStuhiytleonnee gfloyacmoelr, h1e.x0a0m%isnoiduimucmhldoerciydle,su0l.fa8t0e%, 0st.a8r5ch%,xaanndth0a.n05gu%mt,ol0yl.t1ri%azNo-l(e3.