SOIL ADSORPTION TEST SUBSTANCE Identity:N-ethylperfluorooctasnuelfonamidoethanolm;ay also be referredtoas N-ETFOSE Alcoholor FM-3422. (1-Octanesulfonamide,N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyly, CAS # 1691-99-2) Remarks: Materialisan off-whitew,axy solidof uncharacterizedpurity.

BIODEGRADATION TEST SUBSTANCE Identity: Nre-fmeertrheydltpoerafsluNo-rMooecFtOanSeEsAullcfoohnoalm,idFoCe-t7h9a0n,olo;r mFaM-y3a9l2s5o.be(1Octanesulfonamide, N-methyi-1,1,2,2.3.34,4,5,5,6,6,7,7,8.8,8heptadecafluoro-N-(2-hydroxyethyl)-, CAS # 24448-09-7) Remarks: Material number is an were off-white, waxy not recorded.

AR 226 - 0723 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (GRASS SHRIMP) IESTSUBSTANCE ~~~ 0000000 Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95,or as a component of FC-203.

: AR R26 -- O776 BIODEGRADATION (BOD/COD) IESTs0u 000B 000 sTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95,or as a component of FC-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

AR 826 -- 0794 BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng,pFeCr-f9l5u,oroorocatsanaescuolmfponoanteen,twhoficFhC-m2a0y6Aa.lso(1b-e Octanesulfonic acid) (CA#S 2795-39-3).

BACK TO MAIN BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: Potassium Decafluoro(pentafluoroethyl)cyclohexanesulfonate may also be referred to as FC-98.

L P h o n e : (814) 231-8032 BACK TO MAIN Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Sediment, POTW Sludge, and Landfill Leachate Samples Decatur, AL (W1979) Centre Analytical Laboratory Report No. 023-014R (Revision 1) Revision Date 3/28/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 168011 3M Environmental Laboratory Contact Kent R.

InterofficeCorrespondence 30"m", c:kl.E.

BIODEGRADATION (ABS/LAS Shake CultureTest) TEST SUBSTANCE Identity:Perfluorooctanoaiccid,ammonium saltm;ay alsobe referretdo as PFOA ammonium saltA,mmonium perfluorooctanoatPeF,O, FC-116,FC-126,FC-169,orFC-143.

AR226-2840 BIOASSAY REPORT SUBMITTED TO E.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (GRASS SHRIMP) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonicacid)(CAS # 2795-39-3).

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AR260-0350 BIOCONCENTRATION TEST SUBSTANCE Identity: CAS # 1691-09-2) N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N1-1E1t2F,2O,S3E,3,A4l,c4o,h5o,l5,o6r,F6,M7-.374.28,28.,(8-1h-eOpcttaadenceasfullufooron-aNm-i(d2e-h,Nyd-reotxhyyelt-hyl)-, Remarks: Material is an off-white, waxy solid of uncharacterized purity.

AR 226 -- 0780 MICROBIAL INHIBITION (DEHYDROGENASE ACTIVITY TEST) IESTSuesTANCE Identity: ArefmeirxrteudretocaonstaPiFnOiSng,pFeCr-f9i5u,oroorocatsanaescuolmfponoanteen,twohficFhC-m2a0y6aolrsoL-be 3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

AR 286 - 0790 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) IESTSU~B ~~ STANGE Identity: rAefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfponoanteen,twhoficFhC-m2a0y6aolrsoL-be 3243. (1-Octanesulfonic acid) (CAS# 2795-39-3).