FFIINNAALL RREEPPOORRTT PROTOCOL 418.011 PROTOCOL 418-011 ORAL ORAL (GAVAGE) (GAVAGE) DDEEVVEELLOOPPMMEEINNNTTRAAALLTTTSOOXXIICCIITTYY STUDY STUDY OOFF NN--EEtIFFOOSSEE IN RATS \ SSPPOONNSSOORR''SS SSTTUUDDYY NNUUMMBBEERR:: TT--66331166..77 FINAL REPORT DATE: 17 DECEMBER 1998 FINAL REPORT DATE: 17 DECEMBER 1998 22778888..00000011 1100117711118811 Exhibit 2788 rostivrtieiorl RN 3MA10083119 PPRROOTTOOCCOOLL 441188--001111 prot OORRAALL ((GGAAVVAAGGEE)) DDEEVVEELLOOPPMMEENNTTAALL TTOOXXIICCIITTYY SSTTUUDDYY OOFF NN--EEttFFOOSSEE IN RATS `SSPPOONNSSOORR''SS SSTTUUDDYY NNUUMMBBEERR:: TT--66331166..77 T TABLA EOOFB F CCOONL NTTEENE NTTS SSUUBBJJEECCTT | SUMMARY AND CONCLUSION I.

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IN SEARCH OF NON-INDUSTRIAL SOURCES OF ORGANIC FLUORINE IN SEARCH OF NON-INDUSTRIAL SOURCES OF ORGANIC FLUORINE IINN NNOORRMMAALL HHUUMMAANN BBLLOOOODDFFRROOM MT~ HE GGEENNEERRAALL PPUUBBLLIICC..

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COVANCE.> Sponsor St Pal TMMinnesota FINAL REPORT Study Tite 26Week Capsule Toxicity Study with Prfluoroocan Sufi Acid Potassium Salt (PFOS; T-6295) in Cynomolgus Monkeys Author Peter Thomond, PHD Study Completion Date Jamary 11,2002 Testing Facly C5o5v0a1neKeinLsambaonraBtooruileessalrnd Madison Wisconsin 37042595 Laboratory Study Identification Counce 6320223 Sponsor Study dentiication SM Study No.

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[Ear] Exhibit Number WaiBates 33MMPbPaatayeymmenenttssffoorr JJoohhnn GGFieiaeslysy;WWoorrkk |RwownePu | Come Date Entity Amount Paid 3M Contact 2773.0001 [2772370730.000022 [2772370730.000033 [2773000 TMVNOSS7800|TV T7319 | Ge alotrin]S931500|Dale eon | 2773.0004 [27300 VINO | T2-T0199| Giocal ori |STS6150 | Dole eon | 2773.0005 moos [sv smosserors| 72619 | nMietideSctonoeniUnofigvbermaGlnGys| 19857525| pe acon 2773.0006 [200 [NWN | TAT] Greycabot |Se00|Deen| 2773.0007 moos [sv amosserorz| 911mm | nMietedoSeoitnoen ngofibenemyGGn8o7s| 19857525| pe acon 2773.0008 3M_MN04734385 [S3M_MMNONS03563677660066| TS3M_MMN0NS0353667755994| 3M MN05367600 3M_MN05367598 3M_MN05367613 3M_MN05367592 3M_MN05367612 3/7/1993 John P.

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