AR226-2849 LCUTE INHA: r ^ ^H----------' <-- -' Haskell Laboratory Report Ho.115-76 Report by: /\ /W^- 4 /^M^M^ yBfTic^A.

AR 2.26 0672 Centre Analytical Laboratories.

Bio/dynamics Inc.

ACUTE TOXICITY TO FISH (BLUEGILL SUNFISH) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component of FC-783. (1Octanesulfoniaccid)(CAS # 2795-39-3).

28 Day Percutaneous Absorption Study inw'iAeinbirngosRsabbits : 5 Z Srpesinent.

ACUTE TOXICITY TO FISH ARDE-0195 Frees TEST SUBSTANCE Identity: Perfluorooctanesulfonate, Ammonium salt; may also be referred to as PFOS NH," salt or FC-93. (1-Octanesuffonic acid, 1,1,2,2,33,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, ammonium salt, CAS # 29081-56-9) Remarks: Test sample was taken from 3M production lot #1.

AR 226. 0799 MICROBIAL INHIBITION (DEHYDROGENASE ACTIVITY) TESTSUBSTANCE Identity: ArefmeirxrteudretocaosntPaiFnOiSng, pFeCr-f9l5u,orooroactsaanecsoifmopnoanteen,twohficFhC-m2a0y6Aa.lso(1b-e Octanesulfonic acid) (CAS # 2795-39-3).

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: rNe-fmeertrheydltpoerafsluNo-rMooecFtOanSeEsAullcfoohnoalm,idFoCe-t7h9a0n,olo;r may also be FM-3925.

InternatioRneaslearcahndDevelopmenCtorporation SPONSOR: COMPOUND: SUBJECT: 3M Company FM-3422 Ninety Day Subacute Rat Toxicity Study.

ARQ26- 0722 ACUTE TOXICITY TO FISH (RAINBOW TROUT) IESTSUBSTANCE Identity: A mixturecontainingperfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR 226 - 076 ACUTE TOXICITY TO FISH (BLUEGILL SUNFISH) JESTSUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-783. (1Octanesulfonic acid) (CAS # 2795-393).

FROM PAUI- R WATKir45 iIS99 - 1973) DAp4A i-AT14AM (1808 - 10741 PHONC GnLLA.ua-n V F Ir F SE.RS rowt.. 3U,TE %BOO :..Oo

CHRONIC TOXICITY TO FISH TEST SUB TANCE Identity:N-ethylperfluorooctasnuelfonamidoethanolm;ay also be referredto as 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-hydroxyethyl)-, CAS # 1691-99-2) Remarks: Materialisan off-whitew,axy solidof uncharacterizedpurity.The laboratoryconductingthe study refersto N-ETFOSE Alcoholas "78.01".

BIOSEARCH.INC.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfoniaccid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium saltC,AS # 2795-39-3) Remarks: The 3M productionlotnumber was notnoted.