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Tlphona: (702] 385-4202 BRADLEY & MERRELL c/o joncs, Jonea, Close & Brow 300 South Fourth Srree.

7 1( Telephone: PAUL E.

ADELAIDE jkMSTEROAM ANCHORAGE AUCKLAND BOSTON BRUSSELS SUCHOS AWES H1CAGO * COPENHAGEN DUBLIN FORT LMJDCRQALE GOTHENBERG HAMBURG LEWES - U K . .

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/ UNITED STATES DISTRICT COURT FOR THE DISTRICT OF NEW JERSEY JOAN MAERTIN, Executrix the Estate of Lothar Maertin, JOAN MAERTIN, individually and in her of ) ) ) ) own right, et al., Plaintiff s, vs. ) ) ) .

UNITED STATES DISTRICT COURT FOR THE DISTRICT OF NEW JERSEY JOAN MAERTIN, Executrix of ) the Estate of Lothar Maertin,) JOAN MAERTIN, individually ) and in her own right, et al.,) ) v. ) ARMSTRONG WORLD INDUSTRIES, INC., ) ) ) ) v. ) MONSANTO COMPANY and ) ) AMERICAN MINERAL ) SPIRITS COMPANY. ) Civil Action L-95-cv 02849 (JBS) Simandle, U.S.D.J.

CT 3M MEDICAL DEPARTMENT CORPORATE TOXICOLOGY AR216-0150 To: Andrew Seacat 220-2E-02 cc: John Butenhoff 220-2E-02 From: Marv Case 220-2E-02 Subject: Pathology Review Date: 22 July 1999 On 19 July 1999 during my visit at Covance, Madison, 1 did a slide review of selected tissue sections on the PFOS six-month monkey toxicity study (Study 6329-223).

Corporate Toxicology Study Outline July, 1998 ARIG-0227T To Title: FC-129 Preliminary ADME Screen in Rats `Timeline: In Life Start Date: 7/13/98 In Life End Date: 7/17/98 `Purpose: This study is designed to `provide preliminary information on theabsorption, distribution, metabolism and excretion (ADME) of FC-129.

ARBRE _ 124-0 DRAPT REPORT WASHINGTON, WDOROYD RCUONUNCTRYE,EKWEST VIRGINIA NOVEMBER 1997 5TE RY --T_---T-- I =SZZo33n3% E3z8< PREPARED BY: EnvMiarroknmD.entSaplrenRgeesrp,onsPeh.DT.eam ap U.S.

FINAL REPORT PROTOCOL 418-015.

AR226-2039 INTEROFFICE MEMORANDUM Date: Prom: 21-Sep-1998 12:30pm EDT JACK OFFENBERGER OFFEMBJL Dept: Tel No: COPOLYMERS B-180T 863-4959 TO: 4 addressees CC; 5 addressees Subject: C-8 I have made charts showing the C-8 sample results for the past five years.

AR226-2441 TO: Rik Brandenburg INTEROFFICE MEMORANDUM Date: Froy: Dept: Tel No; 20-Mar-1997 14;42 C.de Heer HEERC RSD Lab Hoofdgebouw 31-786301944 ( BRANDERA ) Subject; C8 in P27-1047 dispersie Rik, voor het dispersie monster P27-1047 uit de U.S.A. heb ik de volgende CS-gehaltes gevonden: Hethyleenblauw methode: C8 = 998 en 999 ppm ' GC-methode: C8 = 955, 900 en 1041 ppm jij Zoals je ziet in beide gevallen veel hoger dan de U.S.A.

AR226-2960 DU FONT USE ONLY Du Font HLR 457-91 Study Title STATIC, ACUTE, 48- AND 64-HOUR EC50 O^II^JUr10 Paphnia aagna Data Requirement Organisation tor Economic Co-Operation and DevelopfBent (OECD) GuiHeifne for' festTng ChemicaTsY 2'02' Author Kevin N.