AR226-2688 10 AR226-2688 .^6- 11^ BIODEGRAOATION STUDY REPORT Revision 1 Wednesday, November 06,2002 ';'.'"'' '' '." '. 7

AR226-2('>- 695 AR226-2695 Biodegradability ofTelomer-Based Polymeric Products 1.

Biotransformation of ^C-Labeled Fluorotelomer Substances by Soil M Wane N,1, Szostek B.2, Buck R.C.3, Folsom P.W.1, Sulecki L.1, Powley C.2, Berti W.1, and Gannon J.T. 1 DuPont Central Research and Development, Newark, USA; 2 DuPont Haskell Laboratory; USA;3 DuPont Chemical Solu AR226-3364 Introduction Growing public interest in the environmental fate of fluorinated chemicals due to the global presence ofperfluorinated acids such as perfluorosulfonic acid (PFOS) and perfluorooctanoic acid (PFOA). 8-2 TelomerB Alcohol (8-2 TBA, CP3(CF;,)(,CF:;CH:,CH20H) is a major raw material used in the manufacture of sales products (e.g. fluorosurfactants and fluoropolymers).

Microbics saltof PFO ---I'@.--.-.1. pownwo MICROBICS MICROTOX@ TOXICITY TEST TEST SUBSTANCE Identity:PerfluorooctanesulfonaLtiet,hiumsaltm;ay alsobe referredto as PFOS LisaltF,C-94,orFC-94-X.

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| ARA2R2R6A-636_503644 Attachment A 000003 | SEVERN STL EE, | S3H5oo5n5sm,YeaCr5ro3w0s00s2 Tne8u3s0b3in7c3o6o0m100 Fas: 3034317171 ANALYTICAL REPORT | | PFOA Analysis | Lot#: D6A2I0318 Dale VanDeVelde | pa State RoutGeE8B5l2sDtiucPsontRoad `Washington, WV 26181 | Seven Trent Laboratories,Ino STL Dever | 2 | tidy | Project Manager February 13,2006 EE -- | 000000000033a Table Of Contents Standard Deliverables || Report Contents `Total Number | ofPages | TpShettCaoonvfedrhaiLsarStdtearnDadenadlrdiDhveeleRlrerapaboblslepeoosvckrapgeg: recroenpsiodretrsednctormpallte [] ts al oges ciate in hisToleofCotescre chute + Tableof Contents + Case Narrative Executive Summ--Da eter ctiy on Highlights * Methods Summary + Method/Analyst Summary + Lot Sample Summary + Analytical Results * QC Data Association Summary | + Chain-of-Custody 000004 CasDe6ANZaTr0r31a8tive "MTahneuraels.ulAtslilncrluedesdhuiavltehbites ersenpforotuhnadvteobmeeeent raelvrieeweqdfuoircromeopmlfieaNnEncLetAwCisthatnhdeaLnaybeorxatcoreypQutaalriietonyontesd below

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TEE The4ler -- "plied STL : SMueneurrdaa,le prE oomei msaraee oe md FrONPFOSAmin Lox prez soma ------ 0T rAinaoWi Tansmingam a et sop2200 oEp2.sowaontr METHODS SUMMARY DrG270329 | PEE ARJLeYaTInCAL rPeRTEaPoARnATION : Le/us/ns, pron Dex -1c-0012 References: omy OSepveerrantinTgrenPtrocLeadbuorrea.tores, Denver, Facility Standard | DEP2-SDWB-000002 METHOD / ANALYST SUMMARY DrG270329 | mmTLHrOTDICN, mer nave oan -1c-0012 Jaqueline Bonnett 003601 References: ax OSepveerrantinTgrenPtrocLeadbuorrea.tores, Denver, Facility Standard | DEP2-SDWB-000003 SAMPLE SUMMARY 76270329 | MnOa#msapororEs cmLaiEnverseumiesn 333300603 000032 sRovUaNmEDMAELDEE Fpo0z8 ooe ArmkE(d esr).ntse0mgeos rioerpsr mf12lr | TPeo r are tt begppee,s esi por i ty eepeercl, or ne.dn,ktpl,ho, hr.eype, vty, lspe ec t,t i,i,ml,ee, ty, we.

-'R DU FONT USE ONLY AR226-2903 'Copies to E.

Study Sponsor: Issue Date: Document Reference No.: ELFATOCHEM IO-Jul-95 95/SAE6/0548/HT AR226-3022 Ready Biodegradability Author(s): H.

Fr AR226-3267 ~~ `DuPonstodHaEsvkeilrloLnambeonrattaorSyeefnorceHesalth AR226-3267 March 6, 2003 wl) To sxrsufmagrocie nases FROM. 1.C.Muska ANCE STAB : ~~ Medical Resere rec Number: [mm] HHaasskkeellllSRaemfperleencNeumSbteanrdsard Number 22554025 AAnnaallyyttiiccaallRTeepsotrCtodNeo:raber CuHA20y03.032 Notebook References: [mm] FApotertrafccothrvemdedpius1rtphosseaesn.aylytpircoatlocroelposretqfuoiretmheensttsudfyodoesnttisfuibsdtaabnocvees,abTlhiityabnaultymsiasywaalssobe" used .

Mass 328 463 AR226._ 328] -_-- wDuePonnt. 1n2090 TRADE SECRET Study Title H-25767: Static,DAacupthen,i4a8m-aHgonura Screening Test to AUTHOR: Barbra D.

ARQRG -- 1476 D 000231 DRY RUN LANDFILL: C-8 HISTORY SUMMARY SUPERNATE POND SOIL DISPOSAL: = O7F10N0EATRONTSHEOFBOSTOTIOLNOCOFNTTAHIENLIANGND=FI8L5LP1P1M/8C8-.8 DISPOSED =THISSOILWAS MOVEDTOTHETOPOFTHE LANDFILL AND BURIED IN A CLAY-LINED SEPARATE CELL 10/91.

ARRIE - ISTH TSCA NCIC NOTIFICATION FORM FOR CBI DOCUMENTS !

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