AR226-2657 47 AR226-2657 ISC Modeling Methodology and Results Introduction This report summarizes dispersion modeling that was completed in support of anticipated updates to R13 permits 1953A and 2365B at the DuPont Washington Works site.

AR226-2876 Material Tested ..a.s-'.'

AR226-3001 Performing Laboratory Haskell E.

Submitted to: BIOSEARCH, INC.

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34) Discussion of the photolytic decomposition of PFBS SANITIZED Discussion of the Photolytic Decomposition of Perfluorobutane Sulfonate ,Ph.D. 3M Environmental Laboratory, St Paul, MN, 7/22/02 MAY06 2004 (Amended on 03/24/04 to correct typographical error by .> Questions on the photolytic decomposition of perfluorobutane sulfonate (PFBS) can be satisfactorily addressed by examining the photolytic behavior and decomposition mechanisms of related compounds.

pt Perfluorinated Sulfonic Acids and Perfluorinated Carboxylic Acids by HPCL/MS n CPlrioejnetc:t: Sample Matrix: LaSabmpCloedeN:ame: Analytical Report BaCraomnp D&reBsusderdP&.CM/e9K5e7e7,0-I7n5co3r1p9orated (CDM) Water FKi1e0ld00B9l1an1k00#11 P2 SeDravtieceCoRlelqeucetsetd:: K2/10101009019143 DateReceived: 2/210 BUansiitss:: NnAp Perfluorinated Sulfonic Acids and Perfluorinated Carboxylic Acids by HPLCIMS APnraelpytMiectahloMde:thod: MPeFtOhAod Analyte Name PPerfleuoroo-ni-reinddeceacnaoincoacciaded Porfluarobuanesufonate PPeerrflluuoorrcobduecaannoeiScuAlfcoindate PerfluorodecanoicAcid PPeerrflluuaarroohdeopdeicaanniocieAcAicdid Perluorohexancsulfonate PePrelrufolrooronhoenxaannaciicc AAcciidd Perfluorooctanesulfonate PPeerrfflluuoorrooopcetnatnaonicciAccAicdid PerfluoroundecanaicAcid Rest@ NNDUU NDU [ENwU DU NNDUUT eR) 0N34DU 039) N0D0 1U NU MRL MDL DFialctwoorn ExtDraatceted AmDlayteed ExtrLaocttion AnaLloytsisNote 5300 005%5 T 1 i 2an0 uTmiR02O0sNe Tloossiaz T10o3a6 50 omy 1 Jamo 28nooeis isi isi 5500 000I95 11 22w4ln0o 2am9i0002604s6 1lo0s5i4e6z2 11950033662 50 08 1 4no amiss si loess: T5s0o 000858 11 2u4n0o0 a29m10o06s46 Il0ossiic2z 1190036s2 50 000 1 2410 29100686 losic2 looser SS000011 50006 11 1 u24o10 1290020604s6 1l0o5s2e 11930033662 2410 uss iosi2 looser 5S00 000066111 2244Nm00 21n002060d46 l100s5i4s6z2 115900336622 50 13 1 Jano moss losis 1o0s Surrogate Name %Rec CoLnimtirtosl AmDlatyeed Q Nowe PaPrefrlulolrioo-rno-a{1.1223344.51-31043)03b]utnanooi maacdd 8105 SS001100 I29O/1N00S6: PePrefrlfulouroor-on-.n(-1{.1221334C-21)3dCe4c]aoncotiacnaoiccidacid Perfluoro-n-[12-13C2] hexanoic acid 0100 1015500 228m110022005544 5 50150 29000646 PPeerrfflluucorroo--nn--{{11.22--1133CC22Jludnoddeeccaanncciic AAcciidd Solum pero 1,234.130H onesie a5 77 0000500 22110022005544 S150 M0208 Sodiumperhuoro--hexane{1802sulfonate 0 S150 200646 Comments -_-- -_ Fd im S 22u1013m35ss fomia Soames toms 12 Client: SPraomjpeclte:Matrix: Sample Name: Lab Code: Analytical Report BCaarmopn &DBruded&sPM.scCK9eSeTerT.0-I7nSc3or1p9orated (CDM) Water EKl1ly0s0o0n91"1R-a0w0"2 p.3 SeDravtieceCoRlelqeucetsetd:: K21010/1009111002 DateReceived: 2/210 Units: Basis: nglL NA Perfluorinated Sulfonic Acids and Perflsorinated Carboxylic Acids by HPLC/MS PAnraelpytMiectahloMde:thod: PFOA Method APnerae fllyvtoreo-e Nna-tmeetradecanoicacid.

AR126-0161 SUMMARY OF THE EFFECTS OF PFC's ON MITOCHONDRIAL BIOENERGETICS IN VITRO The attached diagram describes the metabolic relationship for the various PFC's that were selected for inclusion in this study.

sf AR 426 _ [203 To Mary CominakDCIUoSpEp PcA@oUpaSm@alEapPa A `Subject: DuPont submistosAiR2o26n.

AR2IG -- 1340 8-2 Telomer B Alcohol Repeated-Dose Oral Toxicity Range-Finding Study in Rats `Work Request Number 13690 Service Code 1583 LT0E3E8 = == = &S - Data Summary 12 Summary "The data in this document are from a range-finder study that was performed in order 10 set dose levels fora 90-day subchronic toxicity study with 8-2 Telomer B Alcohol.

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aM iREiCtLHY 651733 1110 AR22%--/3/5 SEP -2 F112: 58 en TEHR-0804. 03730: ALO 4TI T20 VIA EXPRESS MAIL BEHQ-20-377 Document Processing Center (7407M) EPA East - Room 6428 Attention: Section 8() Docket Officeof Pollution Prevention and Toxics UL.2S0.0 EPnevninreoynimveanntiaalAPvreontueec,tiNonWA.gency Washington, D.C. 20460 Re: PTeSrCflAuoSmescotcitoann8es)aloSnudptpeleDmoecnkteatlNNoso,tSiEcoHneO-1180:374 DeSei ant Mada Ce Uy.

AR226-2334 Modellne - CAB - 5/7/03 Source ID 1 Z Description Pre-scrubber exit for fine powder scrubber (called "AC Scrubber' on map) Post-scrubber exit for fine powder scrubber (called "AC Scrubber' on map) .