AR 286 807 BIODEGRADATION (OECD 301E) TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfponoanteen,twhoficFhC-m2a0y6CalEs.o b(1eOctanesuifonic acid) (CAS # 2795-39-3).

AR 226 _ 0898 BIODEGRADATION (BOD/COD) TEST SUBSTANCE __ Identity: ArefmeirxrteudretocaosntPaiFnOiSng, pFeCr-f9i5u,oroorocatsanaescuoimfponoanteen,twhoficFhC-m3a0y41a.lso(1b-e Octanesuifonic acid) (CAS # 2795-39-3).

|f AR 226 _ 0g4.2, 10/13/00 Tidsmen lesear f Cup f7e0kes Charles Hao Osene Meonmnce Dedric Lez tes E44 forpr fee) EPA OPE 170) EY err ad (20 92co3 279 C202)24p 187 202 al BIEST Mars, Dominiak!

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oa SM SeettyMal S 3MComueMrNc 35144, -1000 smo aM VIAHAND DELIVERY Avg, D OfficoeofcPoClolnuuttrioolmnOPfrfeiecveen(tni4o0n7taMnd)Toxics (OPPT) DEoPcAkEeatsAtR,-R2o2o6m 6428 1201Constitution Avenue, NW WashinDgCt2o04n6,0 Phone:202-564-8930 AttQePPn TDot ckeitNo o.AnR-2:26 Re: EnaviirntosSnamdletnstaland HealthAssessmentofPerfluorooctane SulfonicAcid DearSiror Madam: AssessmTeennctloofsPeefrofrltuhoreodoocctkaenteaSnuellfeocntircAonviicdcoapndy otfs 3SMat'ss,""dEantveidroAnumgeunstta2la0n,d2H00e3a.lTthhis documentprovidesan assessmentintegratingall oftheavailabledataregardingPFOS.

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j NorthwestBioanalytical f RSetpuodryt NNoo..NNWWB'BRS0010--006951 Quantitative Determination of PFOS and Related Compounds Serum and Plasma by LC/MS/MS in Human Sample Analysis Report EPI-0012 for Protocol Northwest Bioanalytical (NWB) A Division of NWT Inc. 1121 East 3900 South Salt Lake City, UT 84124 PREPARED FOR: 3M Company Epidemiology, Medical Department 220-3W-05 St.

Report E01-1256 PFOS: A Reproduction Study with the Mallard Study Title ANALYTICAPLHASE REPORTFOR PFOS: A REPRODUCTIOSNTUDY WITH THE MALLARD Data Requirement FIFRA Subdivision E, Section 71-4 OECD Guideline 206 Author Lisa A.

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.

AR226-2361 September 2002 Through August 2003 Air Dispersion Modeling Analysis ofAPFO Emissions (Revised) May 24,2004 Page 1 of 9 SEPTEMBER 2002 THROUGH AUGUST 2003 AIR DISPERSION MODELING ANALYSIS OF APFO EMISSIONS .- _..-_ -_... -..--_^-_ __.---__--.-..

AR226-2566 .

AR226-2663 53 RESEARCH Proven Results.

AR226-2689 11 AR226-2689 Telomer Research Program ACC ASAH CLASS COMPOW 3S^ Clariant 8-2 Telomer B Alcohol Biodegradation Research Scope and Rationale The Telomer Research Program (TRP)1 is investigating the biodegradation potential and pathway(s) of 8-2 Telomer B Alcohol (CgFnC^CHbOH; CAS #678-39-7), a primary fluorotelomer intermediate.

AR226-2774 FOR DU FONT USE ONLY Copies co: Haskell E I> du Itont de Nemours and Co., Inc.