3M Report: Bioaccumulation Studies IW.

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: AR 286 _ 0685 BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng,pFeCr-f9lu5o,rooorcatsanaescuolmfopnoanteen;tmoafyFaCl-s1o85bFe. (1Octanesulfonic acid) (CAS # 2795-39-3) Remarks: FC-185F, cc The 3M 817-19.

cena ogan- 375 AR226- 09577 AIT-5 Draft Report Cnn TR ona 26-Week Capsule Toxicity Study with PerfluorooctaneSulfonic Acid Potassium Salt (PFOS; T-6295) in CynomolgusMonkeys TR& EPA-OTS 000811794u g z - SADFOR: or ro yee 8 E ro =J - | 002636 covaNCE Sponsor: St.

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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?

FOR DU FONT USE ONLY AR226-2884 Copiei.

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

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