3M 

3M Environmental, Health and 

Safety Operations 

3M Center, Building 0224·05-W-03 

St. Paul, MN 55144·1000 

AUG 02 2012 

July 27, 2012 

Federal Express 

Director, Chemical Control Division (7405M) 

Office of Pollution Prevention and Toxics (OPPT) 

Room 4146 EPA East 

U.S. Environmental Protection Agency 

120 I Constitution Avenue, NW 

Washington, DC 20460 

Attention: Docket No. OPPT 2004-0112 

PFOA Site-Related Environmental Assessment Program 

- .. -'' ' - :..,. 

I ' ·~ > ! • i , ·_ ! -· -~" .. ; ' -· ~-· j :_! 

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 April I to June 30, 2012 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 

737-3570. 

Sincerely, 

~~] f!ti!ffxi!h1i 

Gary ohenstein 

Man ger, Environmental & Regulatory Affairs 

Environmental, Health and Safety Operations 

3M- Building 224-5W-03 

St. Paul, MN 55144 

651 737-3570 

gahohensteinrdmmm.com CONTAtNS NO CB\ 
cc: Gloria Davis- Mail Code 740SM (w/o attachments) 

TSCA Confidential Business Infonnation Center (7407M) 

EPA East- Room 6428 Attn: EPA-HQ-OPPT-2004-0112 

1201 Constitution Avenue, NW 

Washington, DC 20004-3302 

Glenda Dean - AL Department of Environmental Management 

Enclosures 
From: (610) 701-3061 

D. R. Cosby 

WESTON SOLUTIONS, INC 

1400 WESTON WAY 

BUILDING 5-2 

WEST CHESTER, PA 19380 

Origin ID: BIGA 

J12201207160325 

SHIP TO: (610)701-3787 BILL SENDER 

Ms. Gloria Davis 

TSCA Confidential Business Info Ctr 

EPA-HQ-OPPT-2004-0012 ·EPA East 

1201 Constitution Ave NW- Room 6428 

Washington, DC 20004 

After printing this label: 

Ship Date: 30JUL12 

ActWgt 15.0 LB 

CAD: 2846628/INET3300 

Delivery Address Bar Code 

1111111111111111111111111111 

Ref# 02181009056 

Invoice# 

PO# 

Dept# 

~ 7938 4129 7658 ~ 

lllllllllllllllllllllllllllllllllllllllllllllllllllllllllll 

TUE- 31 JUL A1 

PRIORITY OVERNIGHT 

20004 

19 RDVA DC-US 

DCA 

515G11~701M44 

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