ok PP AR226_ 113] REVISED DRAFT HAZARD ASSESSMENT OF PERFLUOROOCTANOIC ACID AND ITS SALTS U.S.

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ACTIVATED SLUDGE RESPIRATION INHIBITION TEST SUBSTANCE Identity: PreerfefrlrueodrotoocatasnPesFuOlSfoAnAy,lamFiCd-o1(2et8hyolr)aascetthaetem;ajmoarycaolmspoobneent of F((Ch-e1p2t7ad,ecFaCf-l1u2or9o,ocFtCy-l1js0u9l,foonrylFlC--,1p0o9t-aXs.si(uGmlyscailnt,e,CNA-Seth#y2l-9N9-1 51-7) Remarks: is a mixture ofT4h0e-t4e4st%staemstplseubisstFaCn-ce1,273.2%Curwarteenrt,i1nf4o%rmaitsioopnroipnadniocla,te4s%it ethanol, and 6-10% C4-C7 fluoroalkyl carboxylate compounds.

ARI2G-OHOY MICROBICS MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of eFtCh-y1l2-7N-,[(FhCe-p1ta2d8e,caFfCl-u1or0o9o,ctFyCl)-s1u0l9fo-nXylo]r-,R1p9o0t4a.ssi(Gulmycsialnte,, N- CAS # 2991-517) Remarks: The test sample is FC-129 referred to by the test laboratory as R1904.

AR226-048Y SOIL ADSORPTION TEsTsuesTANcE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, or FC-143.

ARNG-054?

AR 236 - 0830 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) IEstsusstANCE 000000000 Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonic acid, 1,1122,334,4556,6,7,7,88,8- heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was not noted.

AR 886 -- 0843 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIAMAGNA) TEST SUBSTANCE.

: AR 226 _ 08ST TOXICITY TO AQUATIC PLANTS IESTSUBS ~~ T0 A0 N0C 0E 0 Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-603EF.

Coy 8EHQ - 0200-373 AT 2 International Research and Development Corporation ond # v sors: TEST MATERIAL: susszCT: womey R226 -0955 Fluorad Fluorochemical Surfactant FC-95 ASctuutdey OirnalRatTso.xleity (LD;)) 3 Ss g os . & EPA-OTS - NIGHT 0 AsYYPoRs Collaborators: Gary Thompson, B.S.

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1p. 31 October 2003 To: Mary F.

ENVI RONblENTAL LABORATORY AOUATIC TOXICITY DATA SHEET EXPLORATORY (RANGE-F I ND I NG TEST) BACK TO MAIN LR 8!

BACK TO MAIN k u t o Toxicity O f U2803-2 to tho Daphnid, DapJJnfa n r g m Data Requiromontr Guidolino Numbor U.S.