3M General Offices \W ^ 3M February 5, 1999 5\1 Center SH& - 02.ee. 373Si.

TRADE SECRET AR226-3202 DuPont-8778 Study Title H-25134: Acute Dermal Irritation/Corrosion Study in Rabbits Laboratory Project ID: DuPont-8778 Test G uidelines: OECD Guidelines for Testing of Chemicals Section 4: Health Effects, No. 404 (1992) Commission Directive 92/69/EEC EEC Method B.4 (1992) Author: Carol Finlay, B.A.

AU9M.70*t ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE_______________________________________________ Identity: Mixture containing periluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-201F. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was 1.

Ad slug - 0707 BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-201F-X. (1Octanesulfonic acid) (CAS # 2795-39-3).

M 9.SL6 - O73& 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-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

M A Z 6 - O S S *!

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.

&-&W- o*hf - lA.IS'Is i^f (<& ( QQ*) 4 > o o o IH Q , May 19, 1998 CONFIDENTIAL BUSINESS INFORMATION CERTIFIED MAIL TSCA Document Receipt Office (7407) Attention: 8(e) Coordinator Office of Pollution Prevention & Toxics U.S.

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HAZLETON WASHINGTON 9 2 0 0 L EE SB U R G PIKE V I E N N A , VA. 2 2 1 8 2 - 1 6 9 9 AR^-0^5 GENOTOXICITY TEST ON T-5711.1 IN THE IN VIVO/IN VITRO UNSCHEDULED DNA SYNTHESIS AND CELL PROLIFERATION ASSAYS IN RAT LIVER CELLS FINAL REPORT AUTHOR Maria A.

Corporate Occupational Medicine 3M Center, Building 220-3W-05 St.

Supervisory Information Manual Index 2 October 26, 1992 TO: ALL EMPLOYEES MORTALITY AMD CANCER INCIDENCE SURVEILLANCE UPDATES In response to employee Interest and Inquiries about the health of employees at Washington Works, the site's Employee Responsible Care Team produced two videotapes this year.

Corporate Occupational Medicine 3M Center, Building 220-3W-05 St.

AR226-2439 INTEROFFICE MEMORANDUM Date: From: Dept: Tel No: 04-Feb-1997 05:45pm DAVID S.

B R -ih June 6, 1997 CluPsnt WashingTM Worts P. 0.