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allel TwhhE 2 ems Fr SUBJECT: I, Rebut)dine andRelce tion of mcm 3, 1 BTESELL ETWiteyge R Et ZT e II Sr O Aey .

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rt Expert Report ofMickael Doiflan 27-CV-10-28862 EXHIBIT 11.

i Centre Analytical Laboratories, Inc. 0 "504P8honeR:e(s8e1a4r)c2h3D1-i8v0e32 Fax: (814) 23S1-a1t25e3Coolrl(a6g1e4,) 2P3A1-161850810 i EN-5 i Analytical Report i Fluorochemical Characterization of Drinking Water Samples Port St.

PF pis senevt 1. nti, Dm. 502te ttn = Ta TL [er Sedan agente LBC petsit SSamyE------ Eemtepon comer: TR CAen r ST acerPart 721 gonerl informationcontact Tolfcation ropioments in 40CER ti": etramer Aogemen(o0Am) en Poon AcToN: Final rule.

AR 286 -- 14ST T |Cide -- .

Mare -- 469 ------ = E.

Fomareniva TECHNICAL REPORT SUMMARY TO: TECHNICAL COMMUNICATIONS CENTER -- 201-20 (1mporan--t If porti prinonteotdh siodfpeapse,sndtwocopietso TCC.)

!

AR 226_ 06S] PFOS Repeat Dose - Ib 000101 CIYTICS mse 3005 gages vo wor INCORPORATED 301-921-0168 Fax: 301-977-0433 Client: {3BS3MMeETaMCRuEERNDNITsEEECrRAeL2-30DS-EEa2P2A-tR0T2MEaNTno Date Reported: 05/02/2000 Date Date RCeoclelievcetde:d: 0042//1280//21090909-02/26/200( Client ro.itt1e4n5t2ion: Study: 6 ANDREW SEACAT HONTH PFOS STUDY Species: CYNOKOLGUS Rxooen$geas.ioGnp sex hee TSiantg CShORoEke EMRbR RWUSpE Wpohh: 2223 o08oa3oas8s8a8aRi1iid33ds8e fFHToaosesasaeeseann 111 e eecadds mWTMawWe TT E B B #8 E B Bog 3$33 A[A8dReaie Keane Ran 8 eeBB MBoHr B884 oga88 $ii sbetan E 4BO.

AR 226 - 0869 ACUTE TOXICITY TO FISH (MUMMICHOG) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a componentof FC-780. (1Octanesulfonic acid) (CAS # 2795-393).

Wildlife International, Ltd. ae Prost Number 454C-107 "DETERMINATION OF THE WATER SOLUBILITY OF PFOS BY THE SHAKE FLASK METHOD ADDENDUM `WILDLIFE INTERNATIONAL, LTD.

P Generation Group Group I Group II Group III Group IV Group V Group Summary NUMBER OF DAYS OF DATA NUMBER OF DAYS IN COLLECTION ESTRUS % OF DAYS IN ESTRUS NUMBEROF DAYS IN DIESTRUS % OF DAYS IN DIESTRUS NUMBER OF % OF DAYS DAYS IN IN PROESTRUS PROESTRUS 21 9 43% 21 8 41% 21 9 42% 21 8 39% 21 9 42% 9 41% 9 45% 9 45% 10 45% 9 43% 3 16% 3 14% 3 13% 3 15% 3 15% "N" FOR MEAN CYCLE MEAN CYCLE NUMBER OF LENGTH LENGTH CYCLES 30 4.3 4.6 30 4.0 4.6 28 4.1 4.3 30 4.3 4.4 29 4.1 4.6 P Generation Animal ID 13801 13802 13803 13804 13805 13806 13807 13808 13809 13810 13811 13812 13813 13814 13815 13816 13817 13818 13819 13820 13821 13822 13823 13824 13825 13826 13827 13828 13829 13830 13831 13832 13833 13834 13835 13836 13837 13838 13839 13840 13841 13842 13843 13844 13845 13846 13847 13848 13849 13850 Group 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 MEAN CYCLE LENGTH 3.75 3.20 3.75 3.67 3.75 5.33 4,00 4,25 4.25 4.25 4.50 9.00 4.00 5.00 5.00 4.33 4.00 4.00 4.00 4.00 4.25 4.00 4.00 3.40 4.67 3.75 4.25 3.75 4.00 4,00 3,67 4.25 4.00 3.75 4.00 4.00 4.00 4.50 3.75 4.33 3.75 4.00 4.25 3.75 4.00 4.00 4.00 4.00 4,00 4.25 NUMBER OF CYCLES 5.00 6.00 5.00 4.00 5.00 3.00 5,00 4.00 5.00 5.00 4.00 2.00 5.00 4.00 4.00 5.00 5.00 5.00 5.00 4.00 5.00 5.00 5.00 6.00 5.00 5.00 5.00 4.00 4.00 5,00 5.00 5.00 5.00 5.00 5.00 2.00 5.00 2.00 5.00 5.00 4.00 4.00 5.00 4.00 4.00 5.00 4.00 5.00 5.00 6.00 P Generation 13851 2 3.25 6.00 13852 2 3.75 5.00 13853 2 4.00 4.00 13854 2 4.00 5.00 13855 2 3.75 5.00 13856 2 3.75 4.00 13857 2 4.50 4.00 13858 2 4.00 5.00 13859 2 3.80 5.00 13860 2 4.25 5.00 13861 3 5.00 3.00 13862 3 3.75 5.00 13863 3 4.00 5.00 13864 3 4.67 4.00 13865 3 4.00 4.00 13866 3 4.67 3.00 13867 3 4.00 5.00 13868 3 3.75 5.00 13869 3 4.00 5.00 13870 3 4.00 4.00 13871 3 3.75 5.00 13872 3 3.75 5.00 13873 3 4.00 5.00 13874 3 5.00 3.00 13875 3 4.00 4.00 13876 3 3.75 4.00 13877 3 4.25 4.00 13878 3 4.25 5.00 13879 3 4.00 6.00 13880 3 4.00 4.00 13881 3 5.00 4.00 13882 3 4.00 5.00 13883 3 13884 3 3.75 5.00 4.00 5.00 13885 3 #DIV/0!