3E M nvir Laboo raton ry me ~~ ntal Final Report- Analytical Study Single-Dose Dermal Absorption/Toxicity Study of T6052 in Rabbits In-Vivo Study Reference Number: HWI#6329-135 TSetsutdySuNbusmtbanecre:: AFMCD-1T2-002(0T7-69055.21) Name and Address of Sponsor: 3M SCD Division 367 Grove Street St.

- 5 SM avpeciany Marais Nciamersin AR 226-1057 _ wo 859 Fyz_olo2-1378 ao osvey VRRIIGGINAL O g HR January 30, 2002 = 53 DOfofciucmeoefnPtoPlrloucteisosniPnrgeCveenntteiron(a74n0d7T)oxics i= 4U0.S1.MEnSvtirreoentmSenWtal Protection Agency I Washington, D.C. 20460 FYI-00-001378 Attention: For Your Information Docket - Docket No.

, A226 _ lle 4 `OHIO ENVIRONMENTAL PROTECTION AGENCY | MEETING COLUMBUS, OHIO : July 24,2002 , LITTLE HOCKING WATER COMMENTS : BHoyclkeitntegr WdaatteedrFAesbsroucairatyi2o1n,, 2r0e0q2u,esMtre.d tKheavtitnheHoOphpieorE,nevnivriornomnemnetnatlalPrcootuencsteilofnorAtgheencLyittle enter into aconsent order with DuPont for ofthe contaminationofthe "watersof the the purposeof State" by C-8 establishing thenatureand impacted aquifers in Ohio.

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AR 286 -- 14ST T |Cide -- .

BIOSEARCH.

BIODEGRADATION (BOD/COD) ITeEgSTToSuUBeSoToAMNCCEE LG, Identity: PPeFrOflAuoarmoomcotnaniouimc ascailtd,, Aammmmoonniiuumm psaelrtf;lmuoaryooacltsaoncbaeter,efPeFrrOe,d FtoC-as 116, FC-126, FC-168, or FC-143.

CAS Number 307-35-7 3M Company AR 226 - C 6 Voluntary Use and Exposure Information Profile Perfluorooctanesulfonyl fluoride (POSF) L mn \ II.

AR 226 _ 0784 ACUTE TOXICITY TO INVERTEBRATES (GRASS SHRIMP) IEST~ S~ U ~ BSTAN 0000C 0000E 0000 Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206 or L- 3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

AR R26 ~ 0788 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (SCUD) IESTSUBSTA00N 000C 000E Identity: ArefmeirxrteudretocaosntPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfponoanteen,twohficFhC-m2a0y6aolrsoL-be 3243. (1-Octanesulfonic acid) (CAS # 2795-39-3), RiseFmCa-r2k0s8:, ideTnthiefi3edMbpyrtohdeucltaiboonraltootrnyuamsbe"rSawmapslenoCt".noCtuerdr.enTthienftoersmtsataimonp.le i7n8d.i9ca1t%eswaittiesr,a 1m.ix3t3u%reSuolft0o.n6e7f%oaPmFerO,S,1%17s.o5d%iudimeotchtyyllensuelgflatyec,ol0b.u0t4yl%ether, 0s.od0i5u%mbleanuzroytlrisualzfoaltee., 0.5% polyoxyethylene monooctylpheny - ether, and The following summary applies to a mixture with incompletely crehfalreaccttteorxiizceitdycoofnctehentfrlautoirooncsohefmiicmaplurciotimepso. nDeanttaomfatyhentoetstacscaumrpaltee.ly METHOD: 0000 Method: Methods for Toxicity Tests with Aquatic Organisms as formulated by the Committeefor Toxicity Tests with AquaticOrganisms TGyLpPe:: NAocute static YSepeacriceosm:plGeatmemd:ar1u9s7f4asciatus Supplier: In-house cultures maintained at Bionomics, EG&G, Inc., WAnaarleyhtiacma,l MmAon.itoring: Not given.

AR 226 _ 0796 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206A. (1- Octanesulfonic acid) (CAS # 2795-39-3).

AR X26 _ O84 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) IEsTsuesTANCE 00000000 Identity: rMeifxetrurreedctoontaasinPiFnOgSp,erFfCl-u9o5r,ooocrtaansesaulcfoomnpaotenewnhticohf FmCa-y30a1ls7o. b(e1Octanesulfonic acid) (CAS# 2795-39-3).

.. 0 se 3M 3M General Offices.

vo NOTE TO FILE - OPPTS 50639 AR 226 _ 0946 Vy DATE: October 23, 2000 FROM: Karen Lannon SUBJECT: Revised PFOS Hazard Assessment ---- e-- ee ----re-------- by these changes.

BIOACCUMULATION TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N1.-1E,t2,F2O.S3.E3,A4l,c4o,h5o,l5,o6r,6F,M1-.374,82,28.,8-(h1e-pOtcatdaenceafsluulofroon-aNm-i(d2-eh,ydNr-oextyheytlh-yl)-, CAS # 1691-09-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.