3M General Offices 3M Center F St.

Dynax Corporation 29, Hemlock Hill Road Poun^ Ridge, NY 10576 Tel 914 764 0202 Fax 914 764 0553 Ad S.&& . 0612 dynax August 2, 2000 .

%%' 0 O H (* ) 19:37 000112022608163 l D I C K A N S A I R & D IRD POl/O hk.Q.6- 06H-JL .Dainippon Ink & Chemicals, Inc 59200011-3 Takasago Takaishi-shi Facsimile Transmission 0sskilapa" NAME ............................Ms.

^ P ,,Z G - l g Jf. 3M Company EPI-0016 Page 1 of 30 FINAL REPORT Epidemiology Medical Department 3M Company S t Paul.

3M Medical Department Corporate Toxicology 3M Center, Building 220-2E-02 St.

61 f f 3M Specialty Materials 3M Center St.

A f i S.&6 - i S 06 90S Sheehy Drive, Bldg.

February 7, 2003 DRAFT Study Plan: Impurity Analysis of Products R A -- / *2- 7 & Telomer Research Program The following is a proposed study plan for the analysis of PFOA in 11 different telomer-based products (see below).

7D01 2510 OOOfl 2331 355 CERTIFIED MAIL - RETURN RECEIPT REOUESTE Rfatongton Worts P. .

3M Specialty Materials 3M Center St.

Krtfcsrtw E.

Hollvhouse Inc PO Box 474 1771 Sandy Point Rd.

AR226-2256 Chris E Shoop 02/18/2002 12:30 PM____________________________ _____ To: Debbie J Mulrooney/AE/DuPont@DuPont cc: Robert I Wevodau/SE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont Subject: Re: Case 10 Questions O Debbie, The production rates in Case 10 were from forecasts for about 2007.

AR226-2476 i t .. *. 8-14-00 Jim: Per your request fo r assistance in wording a letter to your customers, here is a draft th at m ay be helpful.

AH&&.6- $6(K A preliminary list of published references being considered in the update to the science Prepared following the completion of the environmental and human health risk assessments of the 4 notified polymers.