TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonicacid)(CAS # 2795-39-3).

ARI6- 013 EE-/F MICROBICS MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: Perfluorooctanesulfonate, Lithium salt; may also be referred to `as PFOS Li salt, FC-94, or FC-94-X. (1-Octanesulfonic acid, 1,1,2,2,3,34,4,55,6,6,7,7,8,8,8-heptadecafluoro-, lithium salt, CAS # 29457-72-5) Remarks: The test sample is a mixtureof the test substance in water (approximately 24.5% test substance and 75.5% water).

cl AR26-0187 OES -Y PROTOCOL PFOS: A96-HOURTOXICITY TEST `WITH THE FRESHWATER DIATOM (Navicula pelliculosa) U.S.

AR226-0384 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G.

ARRRG - 0735" STUDY SUMMARY OF ENVIRONMENTAL EFFECTS OF LIGHT WATER BRAND AFFF AND COMPONENTS - 1991 TEST SUBSTANCE Identity: A mixture containing perfiuorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS# 2795-39-3).

AR 226 _ 0882 BIODEGRADATION (BODICOD) IesTsuestance 0 Identity: MreifxetrurreedctoontaasinPiFnOgSp,erFfCl-u9o5r,ooocrtaansesauclfoomnpaotneewnhticohf mFCa-y30a0l3so. b(e1Octanesulfonic acid) (CAS # 2795-39-3).

AR226-2072 25fct50:L

AR226-2455 Ohio River monthly average flows at Cincinnati, OH River flow data from <np://wwwJrd-wc.usace.army.mil/MonthlyJrtm/> Assume: 1 fl3/sec= 0.0283m3/sec; 1 m3 = 1*10"6 om3; 1 cm3 s 1 mL E stimated Estimated Estimated ftMeasured Lorig-term normal normal normal Estimated Mo-Yr flow, ft3/sec of iwrmat, % flow, ft3/sec flow, m3/sec flow, m3/mo normal flow, Urno Jun-96 131.400 175 75086 2.12E+03 5.51E+09 5.51E+12 Jul-98 94.452 211 44764 1.27E+03 S.39E+09 3.39R+12 Aug-98 28,387 80 35484 1.00E+03 2.69E+09 2.69E+12 Sep-98 21,200 74 28649 8.11E+02 2.10E+09 2.10E+12 Ocl.98 21,065 77 27357 7.74E+02 2.07E+09 2.07E+12 Nov-98 21,400 40 53500 1.51E+03 3.92E+09 3.92E+12 Dec'98 34,548 35 98709 2.79E+03 7.48E+09 7.48E+12 Jan-89 178,190 131 136023 3.85E+03 1.03E+10 1.03E+13 Feb-99 134,860 81 166494 4.71E+03 1.146+10 1.146+13 Mar-99 180.260 85 212071 6.00E+03 1.61E+10 1.61E+13 Apr-69 118000 66 178788 5.06E+03 1.31E+10 1.31E+13 May-99 60226 49 122910 3.48E+03 9.32E+09 9.32E+12 Total 1.02E+06 1.18E+06 3.34E+04 8.74E+10 8.74E+13 C8 discharge to Ohio River in1996,!

AR226-2456 "DANIEL A.

Final Report AR226-3072 DiiPoi)IHl.O-IW7-(KK135 TRADE SECRET Study Title H-22051: MUTAGEN1CITY TESTING IN THE ^Al.MONI-'J.I.A /YI'HlMdfWIM AND 1-:SCHI:RU'HIA COI.I PLATE INCORPORATION ASSAY Laboratory Project ID Haskell Laboratory Repor* No. 1997-00035 Authors Valentine 0 Wagner, III, M.S John D Reece, B S Study Completed on 04-02-97 Performing Laboratory- E 1 du Pont de Nemours and Company Haskell Laboratory for Toxicology and Industrial Medicine Elkton Road, P. 0 Box 50 Newark, Delaware 19714 Microbiological Associates, inc.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES - Daphniamagna TEST SUBSTANCE IdentityN:-Ethylperfluorooctanesulfomnaaymaildseo;be referrteodas U 1464, ETFOSA, ETPOSA, F-6309, or FX-12. (1Octanesulfonamide,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethylC-A,S # 4151-50-2) Remarks: Materialisa whitesolid.Sample purityand lotnumber were not recorded.

418-011:PAGE F-1 FINAL PILOT REPORT StudyTitle Oral (Gavage) Dosage-Range Developmental Toxicity Study of N-EtFOSE in Rats Sponsor's Study Number: T-6316.7 Author Raymond G.

AR 226 -077 MICROBICS MICROTOX TOXICITY TEST IESTSUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng,pFeCr-f9l5uo,roorocatsanaescuolmfponoanteen,twhoficFhC-m7a8y7aolrsoFCb-e 787X. (1-Octanesulfonic acid) (CAS # 2795-39-3).

CrPe0ostwwonetuonPnRsPOlDsUCTS Wimagon Delswwe 9850071) May 31, 1991 AMrr.ionRobert Wilson 1Be1a0r0,GoDvEern1o97r01Lea Road Dear Bob: you eaErnlcileors.ed Tyhoeusewildlocufminedntscopgiievse aofstuhmemadroycuomfentthse Iexhfaauxsetd tgoas choamtposDuitiPoonntanodpevroalteudmetirnicFaierxfhiaeulsdt, raCTt.es Tfhreomteampceoraattiunrgestowtehrat Ftheinovzeonnezo1,nes530werdeegroepeesratFinign aztondeur2,ingantdhe730tesdtegvreeerse 1F80indezgorneees 3.

Test Substance: Toxicological Summary Pros Dietary Acute Northern Bobwhite Study Perfluorooctanesulfonate (PFOS) Structure: Remarks: p1o-tOacstsaineusmuslaflot,niCcASa#cid2,7951,.13,92..32.3,3,4,4,5,5,6,6,7,7.8,8,8-heptadecafluoro-, The test substance is stored under ambient caonwdhiittieonpsoawndderpuGriMty wloats#o21r7g)i.nallTyhedestaemrpmlienewdatso bteechn9i0q.ue4s9.% determined Ibny 10 a LsCu/bMsSeq,uen'tH-aHnaMlRy,sis "oFf-tNhMeRestandsubcslteamnecnet,alpuraintaylwysaess be 86.9%.