ACUTE TOXICITY TO AQUATIC INVERTEBRATES (ACARTIA TONSA) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component of FC-602. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-780B. (1Octanesulfoniaccid)(CAS # 2795-39-3).

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooetanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-3017. (1Octanesulfoniaccid)(CAS # 2795-39-3).

AR 226 _ 3272 ; Co MRA2E_ 3492 -_-- ofvre TRADE SECRET Study Tike H-25914: Static, Acute, 48-Hour `Toxicity Screening Test with Daphnia magna AUTHORS: Laurie D.

#601 --_ ~ @ ~ AR226- 3429 33 000272 | ARAR6 = 3429 D> EXPOSURE ASSESSMENT PROTOCOL Work RequestNo.: Service Code No.: Performing Institution: Study Title: 15076 1361 Haskell Laboratory for Health and Environmental Sciences OEcxtpaonsouirceAAcsisdeAsnsimoenntinotfhMeeMaasnuurfeadctSuerreuomf APemrmflounoiriunmated Perfluorooctanoate (APFO) at Fayetteville, NC | | |Ji 3), | 2) || | | | || Study Director: Coinvestigators: SJeonsieoprhIFn.duVsitsrkioaolilH,ygJir.enCiIsHt H1a0s9k0elEllkLtaobnorRaotaodry for Health and Environmental Sciences Newark, DE 191714 S Hh-- e-- ------ Robin C.

1v2{lf Pp > i - ARRIE _ 34-50 54 000433 ree ] - E. 1.

------ 1371 Ps ~ { Pp EE -- AR2_324765 i 7 000728 | | Tlomres fluors Dosages sanguins +UVislilneerssdSeaJnatrPrae,ulPierre Baite, + EOHS, PNA,PFOA,PFOS +dPrcelmvbermeen2t0s0e1f,fjecatniviseenrt fvrier2002 +LaboratoireShiwara(Bremen, D) comms ARRRE IIS | o i 000729 Produitsdoss: +EOH8 `perfluorooctylethanol CsFi7CH2CH20H + PFNA perfluorononanoic `acid CsFI7COO + PFOA perfluorooctanoic acid C1F15000 PFOS pecfluorooctylsulfonate CsF17803. || 8 2 000730 , TM & F 7 \ po v agaga | ~B - 000731 ~ | |] | Lo] OS 4 00073, . | | ts st a rat se efixcpaossetlepsoturmloeinPsFdOiAff(itraeunxt5fois rieu, maisplusde30foisinfrieauuir esl3eMpleufsb2a0s0dfooisseicnhferzileeursop3lraavtaeluerusr. ls publiepar 3M quiest5000ppb) : difnefstpassrignieficantivecpouerle ,etprobapbasnloneplmspoeurnlePtF ch{e 81d'seplaaslimritdeedetqeucatntification) PFaleOAU,SleAs :tporumroPinFssOoSncteausonnitvealuapfoopiusllaers| 4 o , 000733 . : Pa PFOA Comparaisons des .

me 2930524 ReviDsiuopnoNnutm1b4e1r621 TRADE SECRET AR2RG. 3583 Study Title PFO (L1i4n-eDaary/BOrraanlchGeadv)a,gAePSFtOud(yLiinneMara)l,eaRnadtsAPanFdOM(iBcreanched): AUTHOR: Carol Finlay, B.A.

p. 1 n1 Q C*t Cll( llz< -E--+ %*0Cf)cuCU U C: ccu- ~ Ca 0 L.

8/15/00 LPSD Water Sample Analytical Results (Letter, R.

EXHIBIT A p. 2 36qq TM rrv,, .., . ,. " .

B~~fQ - 1006- j 65"9e oUPONT D Pu ont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P .O .

p. 1 73 March 7, DuPont Chemical Solutions Enterprise P . 0 .

P. z z6 -37773 ~~- PFOA : A 96-HOUR STATIC-RENEWAL ACUTE TOXICITY TEST WITH Chironomus tentans AMENDED FINAL REPOR T WILDLIFE INTERNATIONAL, LTD .

-- ' Commercial-in-Confidence Chemex reference : ENV8010/020737 P. 1 37 ,g ~ The growth inhibition of the marine alga Skeletonstatum by C ~ Report for Notox B.V - - _ -; ' Report issued by : Sponsor: Chemex Environmental International Limited Notox B .V Unit J Hambakenwetering 7 Broad Lane Industrial Estate P .O .