Attachments to Letter to C.

ARu .6-0337 ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to as U1464, EtFOSA, EtPOSA, F-6309, or FX-12. (1Octanesulfonamide, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethyl-, CAS # 4151-50-2) Remarks: Material is a white solid.

BIOACCUMULATION (ANALYTICAL ONLY) AR23&0354 TEST SUBSTANCE_______________ Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or 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: Material is an off-white, waxy solid of uncharacterized purity.

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M AS6 - 07- ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE___________________________ Identity: Mixture containing periluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfonic acid) (CAS #2795-39-3).

Ar < - 0223 BIODEGRADATION (BOD/COD) TEST SUBSTANCE_____ 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, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was not noted.

AA 6 - Oi3^ 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-600. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was 2367.

A ft. 3.6 - 0 & < f 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-600. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was not noted.

AR9.A 6 - $ l BIODEGRADATION (BOD/COD) TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FX-3104. (1Octanesulfonic acid) (CAS # 2795-39-3).

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if VsSb- V-. * 4 P R O l^ t4sa>_ M f.lt UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D C. 20460 DEC - 9 2002 OFFICE OF PREVENTION; PESTICIDES AND TOXIC SUBSTANCES Dear Interested Party: eMMdo2a7xnet50hoacfd0pierlnn3uicredme,hdrmadfaeayl,1nAadgu,1lndiootuD,nutrpwsag2foeerca,0acoshcv0ale.mtkeos2muTdlyu)ruwh.blelpmegeTesloaleruefhlrtai,l9eenafisc,omssaefo2nlitunpnfh0arsitoaue0tnreerllo2dtesarl(uuols(aPre6plfneFade7pqtnAehleueFeleixxSiemnRrscpc)etelteeoscu7rcrnsohds2mhutnueea8eremibsle5mcdmp4fiuiicrcr)acsioo.oasteameplpsTslsisoyh,otitosnaiwnhoesfpesfdhotfreetdifiorhrmcneuadehDafliuliescfpenciroicugpienuntenbuailcdmoeilblhfuinlisSbbecichmseoeitagoehcrfnindroec3"tidmmas1ifnnlii,eesaegc2watnsansh0runioel0efuftilfi2easeFfcNrcee.layetectnundhwttfiroeiovenstrUr,eieaycowasleoenveRan(eiurRaSeJsotg(Naeui6ofin"lUs7entutshNeaF(phorSr)eRysyNocedfino8r1Ufa,ri1ucR0aaln1)ilcly4oys,,n tpeeEaschuoasnanetrbrpdvaltmiNiibieeeerlsnoirosisstnnposseEh-mihufrCeoiabgttdenohshmhnsenoeettsistflatpdheietlodeacorfPdoedtrcrttnourkoihloetcageniitsutshateiecmlsoncrucuutIudeionbltmoonemfmtncmtohbskmirAeetamentrekertgon,auidOetnttOlnisegaPtoi.cPvmPmnpyAaPTraeiCTowllk-llac2ye-ieob2ne0nbclfe0g0teosedt02ihmtriet2h-neeli0-maesgn0a0tec,e0t4ttwhcncr4w3oaoete3.swnnmr.ETeoiwbYmcPhnmea.eAoeeltafunlhpdoydDteaoucset.

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AR226-1431 DR.U.NOACK-LABORATORIUM FR ANGEWANDTE BIOLOGIE 1-Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoro- Effects on the Development of Caenorhabditis elegans in a Water-Sediment System acc. to T r a u n s p u r g e r et al. (1997) Sponsor Telomer Research Project Asahi Glass Cl a r ia n t Da ik in In d u s t r ie s Lt d Du p o n t RECEIVED OPPT NCIC 2003 July 18 1:09PM Author Gunda Winkelmann Test Facility Dr .U.No a c k -La b o r a t o r iu m Fr A n g e w a n d te Bio lo g ie Kthe-Paulus-Strae 1 D-31157 Sarstedt Laboratory Project ID Project-No. 020719CK Study-No.

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