ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooetanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component ofFC-603F. (1Octanesulfoniaccid)(CAS # 2795-39-3).

AR 286 -- 0218 STUDY SUMMARY OF ENVIRONMENTAL EFFECTS OF LIGHT WATER BRAND AFFF AND COMPONENTS - 1991 TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfponoanteen,twhoficFhC-m2a0y6CaEl.so b(1e- Octanesulfonic acid) (CAS # 2795-39-3).

BACK TO MAIN MICROBICS' MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: Perfluorooctanoic acid, tetrabutylammonium salt; may also be referred to as PFOA tetrabutylammonium salt, tetrabutylammonium perfluorooctanoate, N2803-2, or as a major component of L -13492.

AR226-2409 INTEROFFICE MEMORANDUM Dates From; Dept: Tel No: 29-May-1990 12:23pm Peter D.

AR226-2799 Study Title Repeated Dose Oral Toxicity: 14-Day Feeding Study vith H-19683 and B-19704 in Hale Rats Author John V.

FOR DU FONT USE ONLY AR226-2969 Du Font HLR 802-91 gtudy Title Skin Irritation Test vith----------in Rabbits Author John V.

r^:'-'-'''-la',s^-f~--rs'- AR226-3015 Study Title Approximate Lethal Dose (ALD) of H-21095 in Rats Laboratory Project ID Haskell Laboratory Report Mo. 290-95 Author M.

CCoonnffiiddeennttiiaall BBuussiinneessss IInnffoorrmmaattiioonn FFLLUUOORROOCCHHEEMMIICCAALL UUSSEE,, DDIISSTTRRIIBBUUTTIIOONN AANNDD RREELLEEAASSEE OOVVEERRVVIIEEWW PPrreeppaarreedd bbyy 33MMMayCC2oo6mm,p1pa9an9ny9y May 26, 1999 CV-10.28887 `CCOONNFFIIDDEENNTTIIAALL -- SSUUBBJJEECCTT TTOO AA PPRROOTTEECCTTIIVVEE OORRDDEERR EENNTTEERREEDD IINN HHEENNNNEEPPIINN CCOOUUNNTTYY DDIISSTTRRIICCTT CCOOUURRTT,, NNOO.. 2277 22775544..00000011 Exhibit 2754 33MM_MMNN0033227700226600 CCoonnffiiddeennttiiaall BBuussiinneessss IInnffoorrmmaattiioonn T TABLAEOOFB FCCOOL NNTTEENE NTTSS PPaaggee Introduction ............................................................................................................................... 3 The 3M ECF Process ................................................................................................................. 3 3M Productionof Sulfonyl-based FIUOOCEICAS rccrcrnersrmnnnd 3M Production of Sulfonyl-based Fluorochemicals ................................................................. 4 33MM SSuullffoonnyylb-baasseedd FFIluUoGrFoOcChHEeMmIiEcAall PPFrOoUdUuCctSs vss ...........................................................................

PROTOCOL DETERMINATION OF THEOMFELPTRIONSG POINT/MELTING : RANGE (OECD Guidelinefor TesoftChi emin calgs, 103 `Melting Poin/Melting Range 3M Lab Request No.

H AR126- O73 FM-1) ou H MULTI-CITY STUDY H FIELD REPORT FOR CLEVELAND TENNESSEE AND DECATUR ALABAMA - BATTELLE DUXBURY ACTIVITIES H for un Project Number n N1100672-01 un `submitted to on Confidential un July 9,1999 un Prepared by un mn Scott C.

`Summary PFOS Rat Cross-Fostering Study Numbers: 3M T-6295.13, Argus 418-014 Compound & Lot: Analytical Request PFOS (Perfluorooctanesulfonate) 53030) ~Lot 217, 98.4% pure (SMD CAS.

AR 226 - 0692 BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referredtoas PFOS, FC-85 or as a component of FC-201AF. (1- Octanesulfonic acid) (CAS # 2795-39-3).

AR 226 - 0707 BIODEGRADATION (BOD/COD) EST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng,pFeCr-f9l5u,oroorocatsanaescuolmfponoanteen,twohficFhC-m2a0y1Fa-lXs.o b(e1Octanesulfonic acid) (CAS # 2795-38-3). 2R0e1mFa-rXks(:F-111T2h9)e. 3MCuprrroednutctinifoonrlmoattniounmibnedriwcaatses 1i.tiTshaemtiexsttusraem3p%lePiFsOFSC,S3o6d%iudimeotchtyyllesnuelfgaltyec,ol6b%utsyulleftohneart,ed36a.lk6y%l ewtahteerr,sa8l.ts2,53%%actrryileicthfaonaomlearm,in7e,%and 0.15% toluoltriazole. cThhaerafcotlelrowiiznegdscounmcmeantrryataipopnlsioesftiompaumriitxiteusr.eDiattha imnacyomnpoltetaeclcyurately reflect the biodegradabilityof the fluorochemical componentofthe test sample.

AR 226 _ 0890 BIODEGRADATION (BOD/COD) IEsTsuesTANCE Identity: MriefxetrurreedctoontaasinPiFnOgSp,erFfCl-u9o5r,ooocrtaansesaulcfoomnpaotneewnhticohf FmCa-y30a1l7so. b(e1- Octanesulfonic acid) (CAS # 2795-39-3).

Molecular Crystals and Liquid Crystals Science and Technology.