AR226-2062 ^ ^ v^f?

Z-7 BEV 1-80 ssawtwawa E.

AR226-2198 Chris E Shoop 08/28/2001 04:10 PM To: cc: Subject Stephen J Gissy/AE/DuPont@DuPont ' Karl G Kronberg/ABDuPont@DuPont, Robert I Wevodau/SE/DuPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont Emissions Modeling for Permit Applications Steve, Karl, Bob, and I feel that we will need to have modeling data for the applications we plan to submit or have already submitted Tor FP, PEP, and PFA.

AR226-2236 Henry's Law Constant for C-8 in Water f Henry's Law for a component in water is a useful approximation of the partial pressure of that component above a specified composition in aqueous solution.

AR226-2340 Item 10: Monitoring - Fluoropolymers EPA Data Needs: (Draft 9-21-03) Data Need LOI Commitment Manufacturing Releases Data on releases to air, water, wastewater, landfill leachate Information on release of PFOA to air, water, wastewater, landfill leachate from manufacturing facilities Continued monitoring of releases Manufacturing Sites Concentration of PFOA in air, surface water, groundwater, soil, biota, wastewater, landfill leachate at manufacturing facilities Surface water, groundwater, wastewater, landfill leachate concentrations at manufacturing sites Limited biota data Modeling of PFOA in air Additional data needs beyond LOI .EPA Proposal to Address Data Needs Manufacturing none Monitored concentrations of PFOA in air, soil, additional biota Screening level monitoring of PFOA in air to quantif concentration and extent Screening level monitoring of PFOA in biota (eg. fish aquatic species, plants, herbivores, avian, terrestrial s manufacturing facilities Item. 10: Monitoring - Fluoropolymers EPA Data Needs: (Draft 9-21-03) Data Need Off Site from Manufacturing Concentration of PFOA in air, surface water, groundwater, soil, and biota down gradient from manufacturhg facilities LOI Commitment PFOA concentrations in surface water and groundwater from manufacturing sites Additional data needs beyond LOI Monitored concentrations of PFOA in air, soil, additional biota Limited biota data Modeling of air contamination EPA Proposal to Address Data Needs Monitoring of PFOA in air to quantify concentration and ex of off site contamination Additional groundwater monitoring, similar to Washington Works, to quantify PFOA in groundwater of&ite contamina at additional manufacturing sites, Groundwater samples s be collected to determine the extent and level of contamina away fro.rn.ttie ske Soil sampling for PFOA to quantify and determine axtent o site soil contamination Monitoring additional biota for PPOA (plants, herbivores, avian terrestrial species, fish and other aquatic species)nea manufacturing facilities Item 10: Monitoring - Fluoropolymers EPA Data Needs: (Draft 9-21-03) Data Need Use Releases Information on release ofPFOA to air, water, wastewater, sludge from use facilities LOI Commitment Composite information on process releases from user facilities representing different use industries Modeling of releases from user facilities (carpet initially) Additional data needs beyond LOI EPA Proposal to Address Data Needs Use Monitoring data on release of PFOA to air, water, wastewater, sludges from processing/use facilities Screening level monitoring studies to measure PPOA r to air, water, wastewater, and sludgesat representative sites.

AR226-2647 37 Z-47 REV 6-82 <^M> ESTtBl.lRrl& 1603 E. 1.

AR226-2704 26 AR226-2704 TORONTO WORKSHOP MATERIALS September 13-14,2004 Fluorotelomer Alcohol and Fluorotelomer-Based Polym (Bio)degradation Bob Buck DuPont Chemical Solutions Enterprise Wilmington, DE Fluorotelomer-based Polyme Do polymers "degrade" to form fluorotelomer species that can transform, partition, migrate?

Copies to: E. 1. du Font de Nemo'rs and Company Haskell Laboratory for Toxicology and Industrial Medicine HASKELL LABORATORY REPORT NO. 58-78 MR KO Haskell -So. 11,890 Sample Ready for Testing 12/2/77 Other Codes Material Fextlle Fibe Seaford, Del 96-HOUR LC502 TO nLUEGITLL SUKFISK Procedure; The test material, in original form, was introduced into all-glass exposure vessels and di supply aCer~6o~yield the desired'concentrations in a'7.5 S. final volume.

FOR DU FONT USE ONLY AR226-2884 Copiei.

FOR DU FONT USE ONLY AR226-2891 Copies Co E.

FOR DU PONT USE ONLY AR226-2909 W.

AR226-3111 TRADE SECRET Study Title H-23746 and H-23747: Skin Irritation Test in Rabbits Laboratory Project ID: DuPont-1977 AUTHOR: Carol Finlay, B.A.

SPONSOR ElfAtochemSA Cours Michelet La Defense 10 92091 Paris-la-Defense CEDEX France AR226-3172 TEST SUBSTANCE ^STUIfTTITLEr SKIN SENSITIZATION TEST IN GUINEA PIGS (Maximization method ofMagnusson and Kligman) STUDY DIRECTOR Xavier Manciaux STUDY COMPLETION DATE 14 December 2000 TESTFACILITY err Centre International de Toxicologie BP 563 - 27005 Evreux - France IFM Recherche SM.C.AU wn'/u.

ee | ARAR6 -- 3234 | || | | | 416 || | | 1502-4D5u1y6:GavSaugbechSriodnyi iTnoRxsicihOneGenero Repoducion alton "TRADE SECRET Study Tie 1:24516: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Revision No. 1 Volume 1 of5 AR226 _ 3234 DuRreovnd 3Pa8g5e "TEST GUIDELINES: U.S.

Effects of Fluorotelomer Products on the Bacterial Growth, Degradation of Organ Microbial Population from Activated Sludge of a Domestic Sewage Treatm i N.1.