R226 JH 426 511024a67O:raScGohvaogne eSTyovmicyRas --_ `TRADE SECRET Study Title 90H--D2a4y67O8r:alSGuabvcahgroenSitcuTdoyxiinciRtayts Volume 2 of 4 Laboratory Project ID: DuPont-6554 ARRR6 -- 3244 Dupont PN || TEST GUIDELINES: U.S.

ARR_3R24C8 "0 `TRADE SECRET Study Tite H-24616: StatiPci,mAecpuhtaei,e9s6p-rHoomuerlSacsreening Test to LaboratoryProjectID: DuPont-6818 ARA26 3248 Duron818 AUTHOR: Daniel J.

BOILING POINT TEST SUBSTANCE ldent4: Perfluorooctanesulfonatmea;y alsobe referredto as PFOS or FC-95. (1-Octanesulfoniaccid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium salt,CAS # 2795-39-3) Remarks: Testingwas not conducted.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-206CE. (1Octanesulfoniaccid)(CAS # 2795-39-3).

3M Medical Department Study: T6316-S Analytical Report: FACT TOX-013 LRN-U2095 Study Title AnalyticSatludy2(N-Ethylperfluoroocstualnfeonamido)-ethainnol Two Generation Rat Reproduction AnaVical Laboratory Report Title Determinationofthe Presence and ConcentrationofPFOS, M556, PFOSAA, and PFOSA inthe Liverand PFOS, M556, PFOSAA, PFOSA, and ETFOS&OH inthe Sera ofCri:CCPBR VAF/Plue Rats Exposed to ETFOSE-OH Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date At signing Performing Sera Anatyses 3M EnvironmentalLaboratory Building2-3E-09, 935 Bush Avenue St.Paul, MN 55106 Laboratories Uver Analyses BattellMeemodal Institute 505 King Avenue Columbus, OH 43201-2693 Project ldentirication 3M Medical Department Study: T-6316.5 Argus In-LifSetudy:418-009 Analytical Report: FACT TOX-01 3 3M Laboratory Request No.

31t ARARG - 3% "9 000430 ARBRE - 3449 row, . : Renges EX C-Femeoyees C-8 Decay plot 2 .

afl AR 236 3457 63 { . 000478 | z, ; a T$ 8 | =~ 8 | 25 fs | 0 3 ~D g A= Ay = | on ~ | 8 || +Eo .g = | -- 0004779 > : a | aX | | E88 ~~ of 8 < = &288 a mn O scsn i 8 ervncacars ax stsesosszese Se sasusoosn oon = 2 Gain i 58 S8 giHc2-2efdudnidae naddan 33 a 8A 8 u Fogw Sus oS sne aat s 33 43 a : GS Bl5 agepzdgga$i8i5i4i,g8d33y fed gieas 2g IHiCciifiEdidfeiciviasnieinciEeds YJREiiliiess g E zgogpprEresssessy fg issss 000450 1 | | lo]: ~D = | 3 || BREgEo BEBEZsiZ emax |||] cy E 3 3 * i

pp --_ --_ - ARAA_6 D463 67 000650 AR RAG - 3463 [owe hd i] [eee TAS] I -- a-- [ose ~D bo oa a Es [eer 1Tar [2r| eee ee 1 --,.. -- [een As Fan [een er [em [em EE ae Foam [se [wee oer | eon | Le a| -- a de | r ---- r 1 CS i} |e JE CT mime 11.1 o So -- lm 000651

si - PN 3 ~ ARG- 3467 Ly : ARRR6 - 3467 . oRcaze sovoRocoMPomDS 1 BLOOD .

= 3 Perfluorosulfonamide Metabolism in Rat vs..

AR 836 _ 0926 SUMMARY FOR FOAMING STUDIES DONE ON VARIOUS AFFF PRODUCTS TEST SUBSTANCE Identity: bMiextreufreersrecdonttoaainsiPngFpOeSrfolruoFrCo-oc9t5aonresauslfaoncatoem,pownhiecnhtomfaAy FalFso products. (1-Octanesulfonic acid, s1a.l1t,,2C,2A,S3#,3,42,749,55-5,369,36),7,7,8,8,8-heptadecafiuoro-, potassium Remarks field: compositions.

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Attachment 2 AR 226-1772 CANCER PREVALENCE IN SUBJECTS EXPOSED TO ALKYLATED SUBSTANCES (PFAS) James Dahlgren MD', Ayman B forehir MD", Ray Warshaw?

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AR226-2060 "TEFLON" POLYMERS C-8 PERSONAL AIR MONITORING DATA PERS 30B O^ftA - F PJ'S>ispm\wFi-S e- '3>titijL^lief Fw^a^ * Sample Result <ppb> 0.03^ ^0, 0 3 <0,63 Sample Date ^ f^Ty/fy^ ^sy - A/?