P. 1 o~ nON~ January 30, 2006 AR226-3586 DuPont Corporate Remediation Grou p Barley Mill Plaza - Bldg . 19 4417 Lancaster Pike Wilmington, DE 19805 G6 F E ~ - ` 5 : 0 5 I III I VIA OVERNIGHT MAi t: Ii111111lI 1i1 IlII,1ilHI III,il TSCA Confidential Business Information EPA Docket OPPT-2003-0012 Center (7407M) c/o Ms .

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From: To: CC: Sent: Subject: Barylski Doug J NSSC 'skiely@mrosenblatt.amsec.com' Hunstad Mary P NSSC; Plunkett R Bryan CONT NSSC; Solomon Carmelita J CONT NSSC 8/26/2003 3:48:20 PM RE: Ban on AFFF The below is old news.

NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-321-2833 513-381-2838 FAX: 513-381-6613 Robert a .

S(f March 24, 2003 To: Mary F.

r t R S . 6 _ /ms Telomer Research Program Ciariant Report Title: In Vivo Rat Micronucleus Assay Author(s): Gregory L.

ARJJ6-H55 PFOS: A REPRODUCTION STUDY WITH THE NORTHERN BOBWHITE FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

AR226-2133 Test Results Sample Date Rang concentration Range Action Level Industrial H ygiene 1/ 1/2002 11/ 2 2 /2 0 0 2 100% Sample D t Sample# Duration Type Employee Name Peis Chemical BTO : 08 LOC : 045 TEFLON B-162 ROOF 2nd Level - General & HSV Unite 3/5/2002 10445 0/11/2002 10514 9/11/2002 10631 360 A 360 A 360 A C-8/FC-143 C-8/FO-143 C-8/FC-143 BTO: 08 LOC: 048 TEFLON B-162 OUTSIDE SMOKING AREA - 2ND LEVEL 3/5/2002 10446 5/11/2002 10515 9/13/2002 1063?

Ta~Wei F u 10/11/02 11:57 AM To: Katsunosuke Kitagawa/PO/DuPont@DuPont cc: Hidetaka Hiromatsu/PO/DuPont@DuPont Subject Re: C-8 in the AirD Kitagawa-san, It is rather complicated to explain on paper concerning the C EG issue.

AR226-2582 Ohio Envtronmanial Protection Agency TO: Dave Watkins, Division of Water Resources, W VD EP FROM: Steve Williams, Division of Drinking and Ground Waters, S E D O DATE:March 12,2002 RE: Ohio River Water Sampling Proposal The Division of Drinking and Ground Waters and Division of Surface Water at the Ohio EPA Southeast District Office K S S i i , inter-office communication Proposai for the Washington Works Facility and the Letart Landfill", The following comments are Ohio EPA 's recommendations for additional samples to more thorouahlv define the extent of C-8 In the Ohio River. 1.

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Technology an d T rad itio n Construction M aterials Engineering arm Testing Enrironmcnlsi Engineering and Consulting m Gsotachmcai Engineering m Aaaivticgi Services M TRANSMITTAL TO: Weston Solutions, Inc.___________ D A TE: April 20, 2005_______ 1625 Pumphrev Ave_____________ TT L JO B N U M B E R : 020504-041 Auburn.

0730 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (COROPHIUM VOLUTATOR) 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).

Katherine E.

OFFICE OF THE UNDER SECRETARY OF DEFENSE 3 0 0 0 D EFEN SE PENTAGON W A SHIN GTO N, DC 2 0 3 0 1 -3 0 0 0 ACQUISITION TECHNOLOGY AND LOGISTICS AUG 0 7 2008 MEMORANDUM FOR ASSISTANT SECRETARY OF THE ARMY (ACQUISITION, LOGISTICS & TECHNOLOGY) ASSISTANT SECRETARY OF THE NAVY (RESEARCH, DEVELOPMENT AND ACQUISITION) ASSISTANT SECRETARY OF THE AIR FORCE (ACQUISITION) CHAIRMAN OF THE JOINT CHIEFS OF STAFF (J-4) SUBJECT: Phase-Out of Perfluorooctanoic Acid (PFOA) Perfluorooctanoic Acid (PFOA) is used in the formulation o f products critical to the Department of Defense (DoD).