ACTIVATED SLUDGE RESPIRATION INHIBITION TEST EEX TESTSUBSTANCE -- _-- - Identity: PFCe-r8f5l.uor(o1o-cOtacnteasnuelsfuolnfaotnei;c macaidy,a1l,s1o,2b.e2.r3e,f3e.r4r,e4d.5t,o5,a6s.6P.7F.O7.S8.o8r.8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: from 3M lot nuTmhbeetres2t17s.ubsStaamnpcleeiswaaswhsittoerepdowudnedre.r Sample ambient was taken condifions, pNrMioRr taontdesteilnegm.enPturailtyandaeltyesremsinteedchtnoiqbuees9.0.49% by LC/MS, 'H-HMR, '*F- METHOD a EE Method: OECD 203 Test type: Stalic acute GYeLaPr: CYoemspleted: Study completed 1999.

AR226- 0o4H ACUTE TOXICITY TO THE SALTWATER MYSID LE-F TESTSUBSTANCE Identity: PFeCr-f9lu5o.ro(o1c-tOacnteasnuelsounlaftoen;icmaaciyd,al1s,o1,b2e.2r.e3f,e3r,r4e,d4,t5o,5a,s6,P6,F7O,7S.8o.r8.8heptadecafluoro-, potassium salt, CAS # 2795.35-3) fRreommar3kMsl:ot nuTmhbeetres2t17s.ubsStaamnpcleeiws aaswhsittoerepdowudnedre.r Sample ambient was taken conditions pNrMioRr taontdesetilnegm.enPturailtyandaeltyesremsinteedchtnoiqbuees9.0.49% by LC/MS, 'H-HMR, 'F- METHOD Method: OPPTS 850.1035 Type: Static acute GLP: Yes YSpeeacriecosm:pMlyestieddo:psSitsudbyahcioampleted 1999.

WW SAAaSSHHIaINNGeGST aOTsONS MUTAGENICITY TEST ON ns IN AN I VIVO RAT MICRONICLEUS ASSAY Dama sEouIERUENT 5.5.

TN Ags 3M gene | Foo 3CMopMeedicTa DepgartmenY t P S AR 226- 0950 = iNAY 2 0F00- 373 ~ = aFnludoFriolcmhePmliacnatlEEmxpploosyuerees(Serum) Assessment of Decatur Chemical E Historically, employees a the 3M Decatur chemical plant have voluntarily participated in & biennial fluorochemical medical surveillance program: Total organic fluorine was measured until 1994 when perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) were assayed.

SPONSOR ElfAtochemS.A.

AR226-3039 Study Title Approximate Lethal Dose (ALD) of H-21460 in Rats Laboratory Project ID HaskeH Laboratory Report No. 176-96 Author Tracy A.

AR226-3075 Study Title Inhalation Toxicity Screen wit Laboratory Project IP HL-1997-00600 Author David P.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:N-Ethylperfluorooctanesulfonamidmea;y alsobe referredtoas U1464, ETFOSA, ETPOSA, F-6309,or FX-12. (1Octanesulfonamide,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethylC-A,S # 4151-50-2) Remarks: Materialisa whitesolid.Sample purityand lotnumber were not recorded.

MICROBICS MICROTOX@ TOXICITY TEST TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonawtheich may alsobe referredto as PFOS, FC-95, or as a component ofFC-3003. (1Octanesulfoniaccid)(CAS # 2795-39-3).

AR226-3371 DuPont Central Research and Development April 11, 1994 3M Center Bldg?

N OTOX Sof ty a Environm*ntal Restarch LV.

MICROBIAL INHIBITION (DEHYDROGENASE ACTIVITY) TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonawtheich may alsobe referredto as PFOS, FC-95, or as a component of FC-201 F. (1-Octanesulfonicacid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium salt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was not noted.

AR EFT--{ TRANSPORT BETWEEN ENVIRONMENTAL COMPARTMENTS (FUGACITY) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,22,3,34,4556,67,7,8,8,8heptadecafluoro-, potassium salt, CAS #2795-39-3) Remarks: NA METHOD Test (test type): Fugacity Modeling Method: Level |, II, and Ill EQC Computer Modeling Year completed: 1999 Remarks field for Test Conditions: Modeling conducted by Don Mackay of D.

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AR 226 -- 0756 ACUTE TOXICITY 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-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).