/IfttiG -cm R OCTANOUW ATER PARTITION COEFFICIENT TEST SUBSTANCE_____________________________________________________ Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethyl1 ,1 ,2 ,2 ,3 ,3 ,4 ,4 ,5 ,5 ,6 ,6 ,7 ,7 ,8 ,8 ,8 -h e p ta d e c a flu o ro -N -(2 -h y d ro x y e th y l)-, CAS # 1691-99-2) Rem arks: Material is an off-white, waxy solid.

AR AR6 - 0S 5!

f t k 26 - 0 ^ 0 0 BIODEGRADATION (MANOMETRIC RESPIROMETRY - ANAEROBIC) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate;, which may also be referred to as PFOS, FC-95, or as a component of FC-3041. (1Octanesulfonic acid) (CAS # 2795-39-3).

$ M .

UC DuPont-6711 Study Title 8-2 Telomer B Alcohol: Acute Oral Toxicity - Fixed Dose Method Laboratory Project ID: DuPont-6711 23E "Orn cn --^imO 32 3CST5p<yf^ 5 coQ o T est G u id elin e: OECD Guidelines for Testing of Chemicals Section 4: Health Effects, No. 420 (1992) A u t h o r : Carol Finlay, B.A.

L a rry R .

OuPonl WishinstKi Works P. 0.

gfltt Ml POUT USE ORLY AR226-2952 Du Pont HLR 101-91 Skin Irritation Test with in Rabbits Author John W.

AR226-3080 DuPont HLO-1997-00636 TRADESECRET g ta frjig s Toxicity o f H-22387 to the Freshwater Alga, Seknastrum capricormtom Haskell Laboratory Project IP Haskell Laboratory Outside Report No, 1997-00636 Tggg_ryij!

ii-/4Dio: suDcnromc toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations TRADE SECRET Study Title H-24516: Subchronic Toxicity with One9-G0-eDnearyaGtioanvaRgeepSrotudduyctiinonREatvsaluations Volume 3 of 5 Laboratory Project ID: DuPont-5386 DuPont-5368 AR226-3199 Test G u id elin es: U.S.

Aft _ 0 6 3 4 TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95 or as a component of FC-201AF. (1Octanesulfonic acid) (CAS # 2795-39-3).

_ 075S ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

Exhibit Number Bates 2773.0001 2773.0002 2773.0003 2773.0004 2773.0005 3M_MN04734385 3M _M N 05367606 3M _M N 05367594 3M MN05367600 3M_MN05367598 2773.0006 2773.0007 3M_MN05367613 3M _M N 05367592 2773.0008 2773.0009 2773.0010 2773.0011 2773.0012 3M _M N 05367612 3M _M N 05367587 3M_MN05367581 3M _M N 05367579 3M _M N 05367577 2773.0013 2773.0014 2773.0015 2773.0016 2773.0017 2773.0018 2773.0019 3M_MN05367611 3M_MN05367575 3M_MN05367571 3M _M N 05367556 3M_MN05367551 3M_MN05367548 3M _M N 05367546 2773.0020 2773.0021 2773.0022 2773.0023 2773.0024 2773.0025 2773.0026 3M _M N 05367614 3M _M N 05367537 3M _M N 05367540 3M _M N 05367542 3M_MN05367545 3M_MN05367533 3M_MN05367535 3M Payments fo r John Giesy Work Date Entity 3/7/1993 7/4 - 7/31/1998 8/29 - 10/2/1998 11/28 - 12/31/1998 1/2 - 1/29/1999 7/26/1999 7/31 - 8/27/1999 9/16/1999 10/2 - 10/29/1999 1/1 - 1/28/2000 1/29 - 2/25/2000 2/26 - 3/31/2000 3/16/2000 4/1 - 4/28/2000 4/29 - 5/26/2000 5/27 - 6/30/2000 7/1 - 7/28/2000 7/29 - 8/25/2000 8/26 - 9/29/2000 9/19/2000 John P.

Al IACHNENT D JMCBK WQSR Monsanto MKn.mOLaM(m.nU4bOt}fhwBeWMgunBtCfB13CMrt October l, 1990 OA4MWWUa0fsn.a1arTsx.dSsila*hMseDxStiaSansoainSgonndatttfaavorrlAgeiSdnMneao,dxtQoa,DatideSoliaCayWayWinaR2tteatr0taal4apm0Pca0rrnnodftoRcrtSsicaoarligdAaWgacenayccoRyaspousa RE: Wonsuso Ccopaay Sponsored HealASCJdtes D m Mr.

UNITED STATES DISTRICT COURT DISTRICT OF NEVADA *** NEVADA POWER COMPANY, Plaintiff, V.