COMMENTS OF 3M COMPANY TO THE EPA SCIENCE ADVISORY BOARD PFOA REVIEW PANEL Contact: Geary Olsen, D.V.M., Ph.D.

CAUSE NO. 2000-2113 PABLO AGUILERA; TOMAS TORRES; PEDRO PAZ BAEZA; ROBERT BAEZA; and MANUEL MACIAS VS.

GENERAL AND AUTOMOBILE LIABILITY SCHEDULE OPERATIONS INSURED PREMIUM BASE GENERAL LIABILITY ALL OPERATIONS EXCLUDING U.

CHICAGO LOS ANGELES WASHINGTON, D.C.

X. 2k-*' 3.

AR226-2155 Catherine A Barton j | a ^ ' g ^ ^ ^ ' s ^ ' s ^ s ^ ^ a ^ i a ^ s ' ' 06/27/2001 0334 PM To: cc: Subject: Debbie J Mulrooney/AE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont Catherine A Barton/AE/DuPontDuPont Recap of our meeting Just so we're on the same page (and so I can remember what we said we'd do a week from now), I've summarized some notes from our meeting today.

AR226-2201 ^ Debbie J Mulrooney 10/12/2001 04:00 PM To: cc: Subject: Robert F Pinchot/DEV/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont Met Data used in Modeling FYI, here is the met data for the day in question (November 12,1996).

AR226-2339 Fluoropolymers Monitoring Technical Group September 18,2003 Agenda Program Overview - EPA Suggested Priority Change Discussio Landfills Soil Sampling Biota Sampling -*\ Possible Sources of Exposure FPA Manufacture Non-Fluoropolymer Products P Impu POS Ma Fluoropolymer Manufacture S -0 0 0 0 01 (0 Ul High Heat Treated Applications Low Heat Treated Applications Point Source Emissions Population Exposure Material Flow Trans formatio to PFO APFO Manufacture Fluoropolymer Summary Processing Fluoropolymer Manufacture Dry Resin Processing Non Fluoropolymer Products Aqueous Resin Processing APFO Manufacture 99% Reduction in emissions as compared to prior manufacture Air dispersion modeling Water monitoring -- Prior Manufacturer - New technology baseline Program Plant Design LOI LOI/other LOI Tim In p Co Ong Ong >99% Emissions Reduction APFO Manufacture Air Dispersion Modeling Water Monitoring LOI ECA Fluoropolymer Summary Processing Fluoropolymer Manufacture Dry Resin Processing Non Fluoropolymer Products Aqueous Resin Processing Non-Fluoropolymer Products Program Tim Commitment to not sell APFO outside fluoropolymer industry LOI Ong >99% Emissions Reduction APFO Manufacture Air Dispersion Modeling Water Monitoring Fluoropolymer Summary Processing | Fluoropolymer _^ Manufacture Dry Resin Processing Aqueous Resin Processing LOI ECA Fluoropolymer Manufacture Global Material Balance 50% Emissions Reduction Commitment 2002 Status - 48% reduction from the baseline Monitoring/Modeling Commitments - Air dispersion modeling - Groundwater - Soil - Landfill Program pre-LOl pre-LOl LOI LOI/other Other Other Tim Com 2 12/3 Ong (Tod (Tod >99% Emissions Reduction APFO Manufacture Air Dispersion Modeling Water Monitoring LOI ECA Fluoropolymer Summary >50% Emissions Reduction Fluoropolymer Manufacture 1Mr Dispersiol[1 ^Modeling \ ^Vater Sampli]^ ^^lonitoring Processing -> Dry Resin Processing Aqueous -> Resin Processine A^^on ^ k Processing/Articles of Commerce Program nTni" m Articles of commerce testing - "New" Articles of Commerce LOI 12/ - "Aged" Articles of Commerce ECA 2Q Dispersion processors material LOI 12/ balance Incineration testing ECA 6/3 >99% Emissions Reduction APFO Manufacture Air Dispersion Modeling Water Monitoring LOI ECA Fluoropolymer Summary >50% Emissions Reduction Fluoropolymer Manufacture t\.ir Dispersior1 ^Modeling \ ^Vater Sampliing/ ^^[onitonng Processing -^ Dry Resin - Processing Aqueous -> Resin - Processing r ^ o n ^J Fluo^^lymer|]----------------------------------y Promts f Articles of Commerce Te Dispersion Processors M Aged Articles of Comme Incineration Testing EPA Proposal Delay "Articles of Commerce" testing and goal date an accelerate "Air dispersion modeling95 at Fluoropoly manufacturing sites in order to expedite the process determine if additional monitoring (and ECA) is nee these facilities.

APPENDIX 2 AR226-2379 AHALTOICAL TECHNIQUE USED TO DETERMINE C-8 CONCENTRATION IM AQUEOUS SOLUTION The basis for the analytical technique used to determine the C-8 concentration Itt an aqueous solution was Polymer Products Departnent method Code No.

Proceedings of WTC2005 World Tribology Congress III September 12-16, 2005, Washington, D.C., USA WTC2005-63881 NANO-TRIBOLOGY OF A POLYTETRAFLUOROETHYLENE TRANSFER FILMS USING MOLECULAR DYNAMICS SIMULATION AND MICROTRIBOMETRY Inkook Jang*, Pamela L.

AR226-2571 To: cc: Subject; Andrew S Hartten/AE/DuPont@DuPont Protocol for sampling and testing .....-------------- Forwarded by Isidores J Zanikos/AE/DuPont on 10/02/2001 02:55 PM ------------------------ ,y George H Senkler_Jr 10/02/2001 01:32 PM To; cc: Subject: Isidores J Zanikos/AE/DuPontQDuPont, Mary A Kaiser/AE/OuPont@DuPont John R Bowman/AE/DuPontfgjDuPont Protocol tor sampling and testing Per our discussion of last week, I have taken the materials that Mary had provided and crafted a document that might provide the "road map" for the procedures we use to map, sample and test. very much approcuiate your comments as to the adequacy of these instructions.

AR226-2591 Division of Water Resources 1201 Greenbrier Street Charleston, WV 25311-1108 '304-558.2108 West Virginia Department of Environmental Protection BGovernor o b W i s9 Au e' gust 2 ~002 " .Michael 0.

AR226-3178 Haskell Laboratory for Toxicology and Industrial Medicine June 11, 2001 TO: Hot Developmental Toxicity Study in Rats cc: L.

3M General Oflrices 3M Center St.Paul,MN 55144-1000 6127331110 May 4,2000 VIA FEDERAL EXPRESS Dr.CharlesAuer Director Chemical ControlDivision OfficeOf PollutioPnreventionAnd To)Cics UnitedStatesEnvironmentalProtectioAngency. 401 M Street,Southwest Room 403 EastTower (MailCode 7405) Washington,D.

t Cjlcl :,, kill Ices St@P@itiil',vl5n5'144-1000 6-S1 73 ")II10 3M July 24, 2000 Document ProcessingCenter (7407) Attn: SectionS(e)Coordinator Office of PollutionPrevention and Toxics US EPA 401 M Street,SW Washington, DC 20460 CERTIFIED MAIL TSCA 8(E) SUBSTANTIAL FJSK NOTICE ON: N-Methyl PerfluorooctanesulfonamidoEthanol Dear Sir: 3M isreportinginformationthatshows N-Methyl Perfluorooctanesulfonamido toxic;IL--iyscons:)Istewn-4@,t'@,Ullieo,ilrelatepde,7fuorooc*arylsulfona+,@p-rseviously submitted to EPA [see8(e)dockets #373 and 374].