ARXlCrOW THE SCIENCE OF ORGANIC FLUOROCHEMISTRY 3M February 5,1999 000002 The Science of Organic Fluorochemistry Introduction The science of fluorochemistry begins with fluorine.

3M General Offices 3M Center F St.

Precise Research.

AR226-2057 C-B PERSONAL AIR MQNXT0RIN8 SATA WASHINGTON WORKS - SPD COPOLYMERS AREA 11988) (AEL ZB 0.96 PPB) JOB NAHE/PER8 CODE NO.

TRINITY BUILDING FILE 3 - BREEZE ISC SUITE ** BUILDING BLD 0 0 191.6 5.1 10 ** BUILDING IDN Bldg184 ** BUILDING NAM Bidg184 ** BUILDING CRN 441771.4 4346765.4 ** BUILDING CRN 441771.7 4346765.1 ** BUILDING CRN 441807.6 4346771.6 ** BUILDING CRN 441818.1 4346711.4 * BUILDING CRN 441812.8 4346710.8 * BUILDING CRN 441812.5 4346715.5 '* BUILDING CRN 441799.7 4346713.2 * BUILDING CRN 441797.9 4346723.1 * BUILDING CRN 441782.7 4346720.2 '* BUILDING CRN 441772.5 4346766.3 " BUILDING BLD 0 0 200.8 6.6 18 ** BUILDING IDN Bldg208 "* BUILDING NAM Bldg208 " BUILDING CRN 441837.4 4346545.5 * BUILDING CRN 441864.2 4346550.5 ** BUILDING CRN 441865.1 4346547.0 ** BUILDING CRN 441910.7 4346554.9 BUILDING CRN 441909.5 4346560.7 ** BUILDING CRN 441966.5 4346571.5 ** BUILDING CRN 441973.2 4346535.0 ** BUILDING CRN 441889.4 4346519.5 ** BUILDING CRN 441890.8 4346509.9 ** BUILDING CRN 441872.1 4346507.0 ** BUILDING CRN 441871.0 4346516.6 ** BUILDING CRN 441857.8 4346514.3 ** BUILDING CRN 441853.7 4346537.1 ** BUILDING CRN 441874.8 4346541.7 ** BUILDING CRN 441874.2 4346543.8 ** BUILDING CRN 441838.8 4346537.6 ** BUILDING CRN 441837.7 4346545.5 ** BUILDING CRN 441837.7 4346545.5 ** BUILDING BLD 0 0 194.2 5.9 8 ** BUILDING IDN Bldg204 ** BUILDING NAM Bldg204 ** BUILDING CRN 441828.5 4346609.0 ** BUILDING CRN 441857.4 4346614.6 ** BUILDING CRN 441856.5 4346618.7 " BUILDING CRN 441864.7 4346620.1 ** BUILDING CRN 441867.9 4346604.4 ** BUILDING CRN 441830.5 4346597.1 ** BUILDING CRN 441828.5 4346609.0 ** BUILDING CRN 441828.5 4346609.0 ** BUILDING BLD 0 0 196.5 10.5 5 ** BUILDING IDN Bldg210 ** BUILDING NAM Bldg201 ** BUILDING CRN 441729.7 4346552.6 ** BUILDING CRN 441738.4 4346553.8 ** BUILDING CRN 441740.8 4346542.7 ** BUILDING CRN 441732.0 4346540.9 ** BUILDING CRN 441730.3 4346553.2 ** BUILDING BLD 0 0 196.9 9.11 11 AR226-2172 EID420100 'BUILDING IDN Bldg325a 'BUILDING NAM Bldg325a BUILDING CRN 441656.8 4346577.6 'BUILDING CRN 441678.1 4346581.1 'BU ILD IN G CRN 441682.8 4346555.7 'BU ILD IN G CRN 441678.7 4346554.8 'BU ILD IN G CRN 441677.3 4346561.5 'BU ILD IN G CRN 441666.8 4346559.7 'BU ILD IN G CRN 441665.9 4346563.3 'BU ILD IN G CRN 441661.8 4346562.7 'BU ILD IN G CRN 441660.3 4346568.2 'BU ILD IN G CRN 441658.3 4346567.6 * BUILDING CRN 441656.8 4346577.3 * BUILDING BLD 0 0 188 8.1 5 'B U ILD IN G IDN Bldg21 'B U ILD IN G NAM Bldg21 'B U ILD IN G CRN 442001.9 4346620.1 'B U ILD IN G CRN 442018.8 4346624.2 'B U ILD IN G CRN 442022.3 4346606.6 'B U ILD IN G CRN 442004.8 4346603.1 'B U ILD IN G CRN 442001.9 4346621.2 'B U ILD IN G BLD 0 0 200.5 7.5 5 'B U ILD IN G IDN Bldg6 'B U ILD IN G NAM Bldg6 BUILDING CRN 442146.1 4346522.5 BUILDING CRN 442202.2 4346530.7 BUILDING CRN 442205.7 4346512.6 BUILDING CRN 442148.5 4346503.3 BUILDING CRN 442145.0 4346521.9 BUILDING BLD 0 0 190.6 6.1 23 BUILDING IDN Bldg3 BUILDING NAM B!

AR226-2264 EID294840 Vapor Scavenging Coefflcent Liquid Precipitation = ______________________ Frozen Precipitation a C8 Particle Penalty *2 ,2 g/cm* Data Is based on tasting conducted atthe Washington W ort site In September, 1996.

C;\Documcn(:5 and Settings'^ARTONC\Dcsktop\c6\iaodelmg * AR226- CAB000362 E ID 7 4 4 0 5 5 w IO V __> Minimize Uncertainty Option 1 Option 2 Minimize Model Uncertainty EPA recognizes model uncertainty, especially in short timeframes but doesn't specify over-prediction.

AR226-2464 LX,!'

AR226-2555 Robert F Pinchot 05/11/2000 07:31 A M ______ To- David M Rurak/AE/DuPont@PuPont, Michael McCord/AE/DuPont@DuPont, Robert J Cavanaugh/DuPont@DuPont, Luk Q'Haenens/UR/DuPont@DuPont, Roger J Zipfel/AE/DuPont@DuPont, Anthony J Playtis/Cl/DuPont@DuPont, Arie J Vermeulen/6UR/DuPont@DuPont, Gerald L Kennedy/AE/DuPont@DuPont, William R Berti/Ai/DuPont@DuPont, John Gannon/AE/DuPont@DuPont, Robert L Rltchey/GUDuPont@DuPont, Andrew S Hartten/AiyDuPont@DuPont, Susan S Mileti/DuPont@DuPont co: Andrea V Malinowski/A/OuPont@DuPont, Maurice Astorga/AE/DuPont@DuPont, Richard J Angiullo/AE/DuPent@DuPont, Bernard J Reilly/AE/DuPont@DuPont, Gary W Jepson/AE/DuPont@DuPont Subject: PFOA EPA Request As many of you know, the Office of Pollution Prevention and Toxics in the US EPA has requested that DuPont supply a large amount of information on Perfluorooctanoate (PFOA or G-8).

FOR DU PONT USE ONLY AR226-2944 Du Pont HLR 444-89 Study Title Static Acute 96-Hour LC50a o Fathead Minnows (Plmephale to Author David G.

FOR DU PONT USE ONLY AR226-2943 Ou Pont HLR 651-89 Study Title Inhalation Approximate Lethal Concentration and Pulmonary Pathology of Exposed Rats Author Rudolph Valentine Study Completed On November 22, 1989 Performing Laboratory E. !.

Study Sponsor: Issue Date: Document Reference No.: ELFATOCHEM 04-Jul-95 95/SAEK/0489/AMP " AR226-3021 Bacterial Growth Inhibition Author(s): H.

AR226-3074 gTliriv T i t l e Inhalation Toxicity Screen with T,n^r-a t-Qrv P ro ject-IB HL-1997-00599 author David P.

Katherine E.

3M Katherine E, Reed.