- 1/4 . : . 331 General Offices 3StMPCaelnteMrN SS144-1000 S17 0 ;5 ws AR226- 0600 2 T7 wR 7 2 7 / 3M ; Jaly 7, 2000 Charles Auer (E403C) - Director, Chemical Control Division Office of Pollution Prevention and Toxics OUfSfiEcnevoifroPnrmeevnetnatlioPnr,otPeescttiicoindeAsgeanndcyToxic Substances 401 M.

AR&26 -- 0728 MICROBICS MICROTOX TOXICITY TEST IESTSUBSTA0N 000C 000E Identity: ArefmeirxrteudretocaosntPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfpoonanteen,twohficFhC-m2a0y3.al(s1o- be Octanesulfonic acid) (CAS # 2795-39-3).

From B Aa Aoen SJeRmaedeyye oSnTO1BU0InP1O8Ur7P2t tG0O0AU1vPi.1r2a:J3oJ0hMnPaMlnBoowwamk/aArEiIADEUDPGFra@nO@uOPLoPnto.rtPaMualrL sOusUSTBOUPGOUP pect FW Oct 12 Mesting wh EPA Region 3.Prvieged Communication --FRorowaarrdedbHayrBrem<aRUradJrrRiusy@eAnEiIrCoUncPoornp ocnom10>11o5n721000118/12203081P1M:1e 8:18 Am M " roo menAalcot R12res,tinSgwoinWEePA ReS gion 3 -Pu viegedKCeormmCunPca,teAn SDASS= RELI r deCen SnT e urs see B belocwhhecehpaaertraCmmtraahacneegi,eeseatlcvoieanychAgapgtwoeinBcsWhnIoiREnPcOAhNsevvgvaeeenrttsul1nfd3apioJsibMlnaytnAsdiwssetlholBan,BtOtIyho]oeuay sEO ThohuTledirbFCEeHynled ulTaaErcIsiOAthTFI)OfeF"n(s1rhAoecfmdefs3mel0ari/sun0ng0ccelrdieedesfonuastlue.tlstavBafeOosrMrsmuicmehpet12L)iioLVlnuelbeicsnnkaekecdacslonDomcuuRalmraLmtLoaiYlnn3lgyaw0tnihfeSdhintJoovuvaeTnHdD EREa aa iEl 98n4e]TepuroTcenTcdaeinlccihtaesnd;dwDco1huu3)aPntodTnthtbheea.srPheoFIuoOhlradsvsaenScmoeeuwrwa.ndhaqaituhtiaeceftnhree4awmBepiwrwtoortkoepefcrreoSsltoodcuveosolleuidlndgthseun SBr 5yha LAaSeeeAnaaPHe S0 Fa ateasS1l4aJnhoamuo.

AR226-1751 STUDY TITLE Extraction of Potassium Perfluorooctanesulfonate from Quail Serum and Quail Liver for Analysis Using HPLC-ElectrosprayMass Spectrometry DATA REQUIREMENTS Analytical Method Requirements STUDY DIRECTOR Sean Gallagher STUDY COMPLETED ON September 06,2001 -F'ERFORMING LABORATORY / TESTING FACILITY Centre Analytical Laboratories, Inc.

BACK TO MAIN 3M Environmental Laboratory Report No.

Study Title Soil Adsorption/Desorption Study of Potassium Perfluorooctanesulfonate (PFOS) Data Requirement Based on OECD 106 Author MarkE.

STATEMENT OF EXPENSES FOR ATTENDANCE AT SPECIALIST EXAMINATION CLAIM NO. c'Jp f 3-2-T- CLAIMANT: m/////S?

Law Offices Keller and Heckman llf 1001 G Street, N.W.

NUTTER, McCLENNEN & FISH ONE INTERNATIONAL PL ACE BOSTON, MASSACHUSETTS 02110-2699 TELEPHONE. 6P 439-2000 EACS1MILE: 617 973-974S DIRECT DIAL NDMBIR (617)439-2382 May 14, 1992 18371-1 VIA FEDERAL EXPRESS Keith Minoff, Esq.

NUTTER, McCLENNEN & FISH ONE INTERNATIONAL PLACE BOSTON, MASSACHUSETTS 02110-2699 TELEPHONE: 617 439-2000 FACSIMILE: 617 973-9748 October 29, 1991 18371-1 /; DIRECT DIAL NUMBER: (617)439-2382 John R.

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W aterworks m m A sso cia tio n ANNUAL CONFERENCE ft EXPOSITION PENNSYLVANIA CONVENT PHILADELPHIA, PA "Uniting the W4orTldhreoefSWesastieorn: TrFaicnkafnocr iWngafeOrpPtroiofensssioannadlsOpportunities" Survey after survey of the water sector confirms that the two top concerns are aging Infrastructure and how to fund capita!

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AR226-2227 ^y Roger J Zipfel ' 12/10/2001 02:15 PM To: cc: Subject: Steven L Grise/AE/DuPont@DuPont Robert F Pinchot/DEV/AE/DuPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont, Oscar T Garza/AE/DuPont@DuPont Updated spread sheet Steve, to the spreadsheet that I had sent to Rob indicating the gas/solids split in the C-8 scrubber exhaust stacks, I have now added the normal operating flow range coming out of these stacks.