AR226-2528 TOXICOLOGY LIMITS TLV AEL CEGA CEGW ufl/m3 100 10 0.3 jgpfa 5.6 0.56 0.0015 1.0 CALCULATED DOSE - AEL - CE6 100 ug/day 6 ug/day EID079258

AR226-2704 26 AR226-2704 TORONTO WORKSHOP MATERIALS September 13-14,2004 Fluorotelomer Alcohol and Fluorotelomer-Based Polym (Bio)degradation Bob Buck DuPont Chemical Solutions Enterprise Wilmington, DE Fluorotelomer-based Polyme Do polymers "degrade" to form fluorotelomer species that can transform, partition, migrate?

AR226-2768 FOR DU FONT USE ONLY Copies co: E.

FOR.PO' FONT USE ONLY AR226-2888 Copies to E.

AR226-2918 FOR DU PONT USE ONLY cc: Haskell E.

AR226-3108 Huntingdon CONFIDENTIAL DPT 438/984469 Ij >3 ASSESSMENT OF READY BIODEGRADABILITY MODIFIED STURM TEST Sponsor Dupont Speciality Chemicals, Jackson Laboratory, Chambers Works, Dcepwater, NJ 08023, USA.

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AR226-3336 DuPont Fluoroproducts Washington Works Melts Technology Report Contribution Name: Stephen R.

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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.

`CENTRE FOR XENOBIOTIC RESEARCH University of Dundee, Biomedical Research Centre, Level 5, Ninewells Hospital and Medical School, Dundee, DD1 9SY Study Report Determinationofcyanide insensitive Palmitoyl-CoA oxidation in samples from 3M Environmental Laboratory -- Covance Studies 6329-183 and 6329-212 Study Number XR0108 w pater: So fore lion .