Internal Correspondence cc: R.

(\Rl%-osi5 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G.

<OEH>s DuPont Legai RECEIVED' OPP CB'C m m 12 AH 6-. 09 Andrea V Malinowski Corporate Counsel DuPont Legal D-7078 Wilmington, Delaware 19898 Phone: 302-774-6443 Fax: 302-774-4812 AR226-1882 8 January 2004 Document Control Office (DCO) Office of Pollution Prevention and Toxics (OPPT) US Environmental Protection Agency EPA East, Room 6428 1201 Constitution Avenue, NW Washington, DC 20460 VIA OVERNIGHT MAIL Attention: Docket No.

TestResults AR226-2130 nie;///C|/WINDOWS/TEMP/PolymersC...2-2-8) thiu 8-24-01 121 pages.htm TestResults sample Data Range Concentration Range Action Level Industrial Hygiene 2/2/81 100% 8/24/01 Sample Dt Sample# Duration Type Employee Name Pers BTO: 18 TEFLON COPOLYMERS LOC : 001 FEP OVENSNORTH SIDE 1/4/83 39510 424 2 2/7/83 39511 415 2 ' 2/15/83 39512 458 Z 2/28/83 39513 424 z 3/21/83 39514 446 z 5/2/83 39515 428 z 6/28/83 39516 457 z 7/11/83 39517 452 z 8/2/83 39518 445 z 8/15/83 39519 510 z 8/29/83 39520 460 z 9/20/83 39521 469 z 10/7/83 39522 453' z 10/24/B3 39523 460 z 11/7/83 39524 451 z Chemical Cone u n it Percent C-8/FC-143 <0.03 MPB 5.4% C*8/FC-143 <0.03 MPB 5.4% C-8/FC-143 0.05 MPB 8.9% C-8/FC-143 0.16 MPB 28.6% C-8/FC-143 0.03 MPB 5.4% C-8/FC-143 0.07 MPB 12.5% C-8/FC-143 0.5 MPB 89.3% C-B/FC-143 0.09 MPB 16.1% C-8/FC-143 <0.03 MPB 5.4% C-8/FC443 0.08 MPB 14.3% C-8/FC-143 0.07 MPB 12.5% C-8/FC-143 C-8/FC-143 C-8/FC-143 0.05 MPB 0.06 MPB 0.06 MPB 8.9% 10.7% 10.7% C-8/FC-143 0.06 MPB 10.7% 1 o f 233 8'28/2001 5:0 EID129060 AJP006693 TestResults 11/7/83 39525 11/21/83 39526 12/5/83 39527 12/27/83 39528 1/31/04 39529 3/6/84 39530 3/6/84 39531 5/7/84 39532 6/19/84 39533 8/15/84 39534 10/19/84 39535 12/12/84 39536 2/11/85 39537 2/11/85 39538 3/19/85 39539 4/11/85 39540 451 Z 453 z 462 z 463 z 462 z 412 z 412 z 455 z 462 z 486 z 467 z 468 z 485 z 330 z 470 z 452 z Tuesday, August 28,2001 3:26:20 PM file:///C|/WTNDOWS/TEMP/Polymers C...2-2-81 ta u 8-24-01 121 pages.htm C -8/FC -143 0.06 MPB 10.7% C -8/FC -143 0.03 MPB 5.4% C -8/FC -143 0.04 MPB 7.1% C -8/FC -143 0.05 MPB 8.9% C -8/FC -143 0.08 MPB 14.3% C -8/FC -143 0.03 MPB 5.4% C -8/FC -143 0.03 M PB 5.4% C -8/FC -143 0.1 MPB 17.9% C -8/FC -143 0.23 MPB 41.1% C -8/FC -143 <0.03 MPB 5.4% C -8/FC -143 0.04 MPB 7.1% C -8/FC -143 0.08 MPB 14.3% - C -8/FC -143 0.11 MPB 19.6% - C -8/FC -143 0.3 MPB 53.8% C -8/FC -143 0.09 MPB 16.1% C -8/FC -143 0.15 MPB 26.8% Page 1 of 119 AJP006694 \ 2 o f233 Sample Dt Sample # Duration Type Employee Name Pers Chemical Conc Unit Percent 8/28/2001 5:05 EXD129061 1'estResults filc'.

AR226-2296 David M Rurak 02/06/2003 08:19 AM To: Patricia D Buoncuore/AE/DuPont@ DuPont cc: Ann Bradley, Robbin Banerjee/AE/DuPont@ DuPont, Andrea V Malinowski/AE/DuPont@ DuPont, Paul J Bossert/AE/DuPont@ DuPont, Catherine A Barton/AE/DuPont@ DuPont, Gerald L Kennedy/AE/DuPont@DuPont, J ill H Hogan/AE/DuPontVincent Atriano/SSD/DUP@DUP@DUPONT_MHUB, Paul J Bossert/AE/DuPont@ DuPont, John R Bowman/AE/DuPont@DuPont, Andrea V Malinowski/AE/DuPont@ DuPont, M.

AR226-2309 ^ Mark C Hause 03/12/2003 04:25 PM To: David M Rurak/AE/DuPont@DuPont cc: Catherine A Barton/AE/DuPont@DuPont, Charles J Zarzecki/AE/DuPont@DuPont Subject: ISC Model Dave, Per our discussion, I have spoken with Cathie on the need to investigate the model and its validity for 1 and 8 hour periods.

-S O T O H S Y 90S3-933HV WYA.ITTLESOURCE: U$GS QUADRANGLE HAPS LUBECK HOCKUS, OH SFIITGEURMEAP1 . ..... ..

AR226-2580 D ivision o f W ater Resources 1201 Greenbrier Street C harleston, W V 25311-1088 T elephone Number: (30 4) 558-2107 Fax Number: (304) 558-5905 W est Virginia Department o f Enviromnental Protection Bob Wise "~A " -- -- Michael O Callaghan Governor Secretaiy MEMORANDUM OF UNDERSTANDING between the OHIO ENVIRONMENTAL PROTECTION AGENCY and the WEST VIRGINIA DEPARTMENT OF ENVIRONMENTAL PROTECTION, WEST VIRGINIA DEPARTMENT OF HEALTH AND HUMAN RESOURCES, and E.I. du PONT de NEMOURS COMPANY (DuPONT) The W est Virginia Department of Environmental Protection [WVDEP], the W est Virginia Department o f Health and Human Resources [WVDHHR], E.I. du Pont de Nemours Company [DuPont], and the Ohio Environmental Protection Agency [OEPA] [collectively referred to as the "parties"] hereby enter into the following M EM ORANDUM O F UNDERSTANDING [MOU] related to the enforcement o f certain terms and conditions o f Consent Order Number GWR-2001-019 entered into by and between WVDEP, WVDHHR, and DuPont W hereas mmnnium perfluorooctanoate [C8], an unregulated chemical, was found to be present in the drinking water supply o f citizens o f the state o f W est V irginia living in and around Letart and Dry Run Landfills, and the Washington Works chemical facility located in Washington, W est Virginia, which are facilities owned and operated by D uPont [the Facilities].

AR226-2831 Copies to: Han, r vE ' 1 ` du Pnt de Nemours and Company Haskell Laboratory for Toxicology and Industrial Medicine HASKELL LABORATORY REPORT NO. 246-71 Procedure : The test material ~ : u " cs *' sln8le du Results: ACUTE ORAL TEST Suspens ion r/o) 25 25 25 25 25 12 12 <m g/fcg> 17,000t 11,000t 7,500t 5,000 3,400 2,250 670 Mortality* S - 14 d.

AR226-2882 -0.

DO PONT OSE ONLY AR226-2903 E.

AR226-2988 Study Title ~ Eye Irritation Test with H-19913 in Rabbits Author John V.

study Title Skin Irritation las. . 1 * B-203M i * M laboratory Project IP Haskell Laboratory Report No. 4-94 Author John V.

TRADE SECRET AR226-3191 DuPont-8838 Study Title H-24944: Static, Acute, 96-Hour Screening Test to Pimephales promelas Laboratory Project ID: DuPont-8838 Author: Laurie D.

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