REPORT AE2201779 Stuy Tie ASSESSMENT OF ACUTE ORAL TOXICITY WITH T7868 IN THE RAT (ACUTE TOXIC CLASS METHOD) Author Ors Ms.

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AR226-2336 DuPont Modeling Methodology and Result DRAFT Shimizu Site June 2003 About the Model Industrial Source Complex Short Term 3 (ISC Sold/used globally, including in Japan http://www.phoenix-r.co.jp/products/products.htm Input Stack height, diameter Flowrate, temperature Mass of pollutant (kilogram per hour) Local meteorological data (Shizouka 1997, 98, 99 Output Ambient air concentrations in ug/m3 Max values and locations outside the property lin 'asr Prevailing wind Facility Ambien ground concent ug/ Model Calculations Ambient air concentrations based on Gaussia Equation Concentration a function of a vertical term a dispersion term Vertical term based on stack height, recepto elevation, plume rise, mixing Dispersion parameters describe distribution o pollutant in lateral and vertical '^f^^S^^?

TRADE SECRET AR226-3177 DuPont-6087 Study Title H-24516: Skin Irritation Test in Rabbits Laboratory Project ED: DuPont-6087 AUTHOR: Carol Finlay, B.A.

AR226-3183 TRADE SECRET Study Title H-24616: Developmental Toxicity Study in Rats Laboratory Project ID: DuPont-4902 TEST GUIDELINES: U.S.

ATTACHMENT TO LETTER TO C.AUER DATED AUGUST 31,2000 SUPPLEMENTAL SUBMISSION FOSA or PFOSA Perfluorooctanesulfonamide MedicalSurveillanacnedEpidemiologic See item I under PFOS: InterimReport #1,Determinationof Serum Half-Livesof SeveralFluorochemicals,June 8,2000.

ATTACHMENT TO LETTER TO C.

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From: To: Sent: Subject: Attachments: McCrory Dennis M NSSC #NSSC SEA05L4; Gannon Kevin P CDR NSSC; Merten Thomas M NSSC; Wang YeLing NSSC; DiValentin Mario NSSC; 'fwilliam@ccs.nrl.navy.mil'; 'harmon.timothy@hq.navy.mil'; 'leachwb@navair.navy.mil' 4/30/2001 1:31:08 PM FW: Request Information on Usage of PFOS Containing Material (Draft M emo) AFFF Tasker to Services.doc; Attachment.PDF Folks I am planning to e-mail Col Atkins that we need an additional 30 days extending the deadline to Aug 8.

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).

Case 1:06-cv-01810-RMB-AMD Document 459-7 Filed 09/21/10 Page 1 of 8 PagelD: 21878 v(S0 Si.*, II UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 2 290 BROADWAY NEWYORK, NY 10007-1866 OCT 2 4 2009 C E R T IFIED MAIL-RETURN RECEIPT RffiOTrF.STff.

Via electronic mail Andrea V.

3M ENVIRONMENTAL LABORATORY REPORT NO.