p.1 

3M Environmental, Health and 

Safety Operations 

3M Center, Building 0224-05-W-03 

St. Paul, MN 55144-1000 

April 29, 2013 

Federal Express 

Director, Chemical Control Division (7405M) 

Office of Pollution Prevention and Toxics (OPPT) 

Room 4146 EPA East 

U.S. Environmental Protection Agency 

1201 Constitution Avenue, NW 

Washington, DC 20460 

Attention: Docket No. OPPT 2004-0112 

PFOA Site-Related Environmental Assessment Program 

Subject: Status Report Pursuant to the Memorandum of Understanding between 

and 3M Company and Dyneon LLC dated October 2004 

Dear Sir or Madam, 

On November 19,2009, U.S. EPA approved the Phase 3 Work Plan under the subject 

Memorandum of Understanding (MOU), Accordingly, and per the MOU, 3M and 

Dyneon have resumed the submittal of quarterly status reports. Enclosed for your 

information and records are two paper copies of the January 1 to March 31,2013 report 

(one includes a copy of the raw data) and one electronic version that has been copied to 

a CD (also including the raw data). 

Two paper copies of the report (one with a copy of the raw data) and a CD (also 

including the raw data) have also been sent to the referenced docket as noted in the cc 

list below. 

If there are any questions or comments concerning this matter, please contact me at 651 

Gary Hohenstein 

Manager, Environmental & Regulatory Affairs 

Environmental, Health and Safety Operations 

3M - Building 224-5W-03 

St. Paul, MN 55144 

651 737-3570 

aahohenstein^mmm.com 

737-3570. 

Sincerely, 

CONTAINS NO CBl 

From: $10)701-3061 

D. R. Cosby 

WESTOfl SOLUTIONS, INC 

1400 WfeSTON WAY 

BUILDING 5-2 

WEST CHESTER, PA 19380 

Origin ID: BIGA ffg^ ^ 

Express 

J13111302120326 

SHIP TO: (610)701-3787 BILL SENDER 

Ms. Gloria Davis-Mailcode 7405M 

TSCA Confidential Business Info Ctr 

EPA-HQ-OPPT-2004-0012 - EPA East 

1201 Constitution Ave NW- Room 6428 

WASHINGTON, DC 20004 

p. 2 

Page 1 of2 

Ship Date: 29APR13 

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CAD: 2846628/INET3370 

Delivery Address Bar Code 

Ref# 02181009056 

Invoice # 

PO# 

Dept# 

TM# 7996 3871 7823 

19 RDVA 

TUE-30APR3:00P 

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20004 

DC-US 

DCA 

518G1S983J93AB 

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