AR226-1974 { U^ To; (-row' Ou^-fe, CLo^^SJ- ^a>2-' (7)crei<-A-Ma-t/o . ... . .. ... .. 3>cdbL-; 4?

InternatioRneaslearcahndDevelopmenCtorporation SPOLNSOR: TEST -M&TERI-kL: SUBJECT: 3M Company (D Fluorad Fluorochemical Surfactant FC-95 Acute Oral Toxicity (LD50) Study in Rats.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component of FC-201. (1Octanesulfoniaccid,perfluoroalksyulffonatesalts(5)+ (5140P)) (CAS # 2795-39-3) Remarks: The 3M productionlotnumber was not noted.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, oras a component of FC-780B. (1Octanesulfoniaccid)(CAS # 2795-39-3).

RIKER LAU DRAT0131E S, IN C.

WARF INSITI-U-I-EI,NC.

BIOCONCENTRATION TEST SUBSTANCE Identity:N-ethylperfluorooctanseulfonamidoethanolm;ay alsobe referredto as N-ETFOSE Alcoholor FM-3422. (1-OctanesulfonamideN,-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS # 1691-99-2) Remarks: Materialisan off-whitew,axy solidof uncharactedzedpurity.

Bio/dynamics Inc.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfbnatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-201.

.

AR226-1970 .

WATER SOLUBILITY TEST SUBSTANCE Identity:N-methylperfluorooctanseulfonamidoethanolm;ay alsobe referredtoas N-MEFOSE Alcohol,FC-790, or FM-3925. (1Octanesulfonamide,N-methyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-(2-hydroxyethyClA)S-,# 24448-09-7) 'Remarks: Materialisan off-whitew,axy solid.Sample was taken from 3M lotnumber 505.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredtoas PFOA ammonium salt,Ammonium perfluorooctanoateP,FO, FC116, FC-1 26, FC-1 69, or FC-143.

FUR DU FONT USE ONLY AR226-2892 Copies Co E.

BIOACCUMULATION (ANALYTICAL ONLY) TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acmeatyatael;sobe referredtoas PFOSAA, FC-128 oras themajor component of FC-127, FC-129, FC-109,or FC-109-X.