0750 ACUTE TO XIC ITY TO FISH TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

Ak R A 6 - 0 7 6 3 MICROBICS MICROTOX TOXICITY TEST TEST SUBSTANCE____________________________________________ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-203FC. (1Octanesulfonic acid) (CAS # 2795-39-3).

TO XIC ITY TO AQUATIC PLANTS TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FX-3103. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR Z 6 - 0 3 * 0 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfbnate, whichmay also be referred to as PFOS, FC-95, or as a component of FX-3104. (1Octanesulfonic acid) (CAS # 2795-39-3).

3M Specialty Materials 3M Center FihoWO- /37gSt.

. '00$9^05H W 14:38 t% 000112022608163 I I D I C KA WS A I R&D I R D P01/01 a f f M M G -0321}- received Dainippon Ink & Chemicals Inc.

^PRO 1 AZ 1 2 6 - I07Z UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 MAR 1 1 2002 OFFICE OF PREVENTION, PESTICIDES AND TOXIC SUBSTANCES Dear Interested Party: Attached please find copies of two related documents that published in today's Federal Register: a Final Rule (67 FR 11008) on 13 known discontinued perfluoroalkyl sulfonate (PFAS) chemicals making any new manufacture or importation a significant new use; and a Supplemental Proposed Rule (67 FR 11014) on 75 additional chemicals, proposing to exclude from the definition of "significant new use" specifically defined, low volume, controlled exposure uses in semiconductor manufacture, aviation hydraulics, and photography, but to otherwise require submission of a significant new use notice (SNUN) for any manufacture or import of these chemicals after December 31, 2002.

39 ff UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 1133 OFFICE OF PREVENTION, PESTICIDES AND TOXIC SUBSTANCES 21 October 2002 MEMORANDUM: SUBJECT: Focussed statistical analyses of APFO data on >and preweaning loss g?

NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2936 513-331-2839 FAX 513-381-6613 ROBERTA.

fi- R S .0 .& Document 10 of 20 _ u q if .

di f>p M A6 - I & 1 S ' March 21, 2003 ToMUEW1:2P.aaS0Ars.0yhEEiPFnnae.gvsnDttino,roosnMymn, lamDviinaleCinnaCiktaoa2ld0Ae4Pv6r7eo04nt0euc5etM,ioNnWAgency From: Katie Smythe, on behalf of the Telomer Research Program Subject: Final Study Report - Submission to AR-226 ret==o>> ~7rXo03 "T--O3rOrnn Of-rj ro tOhne UbeShaElPfAofftohreiTncelluosmioenr RineAsedamrcihniPsrtoragtriavme R(TecRoPrd), 2th2e6:following study report is submitted to B[TiohicsotnecsetnwtraastipoenrfToersmt eodf 2u-spinegrfl2u-o(proearfllkuyolro(Coc=t4y-l1)6e)thEatnhoalno(Tl einstCsuarbpstance number K1518)] NtIIdonniorsdpettueirctso:tutlvrtyTeyid,bh(eJuiMsattphsEaaetrTunrsda.It)nyuTgadwehnydadersefsthoctpueorodnrtfhytdinetuwoactlarttaehsrnedespspbUloaoyrStntiKoswEonuParreosAudfpm.trbheoyevLtirhadeebepodoJrartatpotiaontnrhtyoeM-ETinRCngiPhslet.irsmyhTi.ohcaefMlEsTEcREoTPvnIaodglmuiadavyten,iooTTntrRafauPdnnedpdaeRntrhmedesiessastruicodhny TonheisorfetphoertitwemassmtheantttihoeneTdRiPn twhoeuMldasrcuhbm14it, t2o0E03PATRinPMLeatrtcehr 2o0f0In3.tent - Appendix 3 (p. 11) as N(CoBnIe)oufntdheeraTttSaCchAe.dNfioletshicnogntianinthiinsftorarmnsamtiiosnsicolnaiims TedSCasACCoBnfIi.dential Business Information ooooov

^d fO O Z (pN ic Id O 03A303M VXD rA i?

37/f i R & A 6 - 1 ANALYTICAL METHOD VALIDATION FOR THE DETERMINATION OF PERFLUOROOCTANESULFONATE, POTASSIUM SALT (PFOS) IN PLANT TISSUES WILDLIFE INTERNATIONAL, LTD.

3*7 ff COLUM BUS.

AR226-1405 / ) R S . 6 -- \ M-OS~ "ATTORNEY-CLIENT PRIVILEGED INFORMATION" .Septeiber 19, 1991 7o: alt Stewart Pro: Terry Vandell Subject: Heetinq Minutes Of The On-Site Washington Works Meeting ( Septeiber 11, 1991, 9:00 AH-11:00 AM ) Regarding The Septeiber 4, 1991 Proposed C-8 Saipling Progra Present: John Doughty, Tony Zichstadt, Wendell Coin, Penny Mahoney, Mike McClusky, Carl Husca, Dave Raisey, Walt Stewart, Terry Vandell o Introduction: Walt Stewart, See Attachient 1 o Cheical Data Results: Penny Mahoney, See Attachient 2 Key Points: Appendix IX constituent levels and presence are inconsistent under the site, whereas the C-8 presence and levelsare uch ore consistent; C-8found at low ppb level on-site in wellsTV27 k T1M4, hut at uch higher levels inwells TW32 and TV33 which arecloser to the oldsupemate ponds(the exactquantitative results fro wells 32 &33 are still pending but arebelieved to be >1 pp). o HistoricalData Results: Mike McClusky, See Attachient 3 Key Points: In 1984 C-8 found <1.5 ppb .25 to 3 iles downgradient fro Washington Works.