BACK TO MAIN BIOCONCENTRATION TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: Sample from 3M production lot number 217.

BACK TO MAIN 6t11dy Titlo Growth and Reproduction Toxioity Tort with N2803-2 and the rrorhwator Alga, Sol mnantrun caprdcornutua D a b Requiremntr Gu:Ldelino numIntr U.S.

BACK TO MAIN SANITIZED REPORT ,

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AR226-1891 Final Report Study Title (14C)-8-2 Telomer B Alcohol: Adsorption/Desorption using a Batch Equilibrium Method Data Requirement Protocol designed to meet the known requirements of OECD Guideline 106 (January 2000) Author S Swales Sponsor Test Facility Katie Smythe, Administrator Telomer Research Program The Rand Corporation 1200 South Hayes Street Arlington, VA 22202 USA Covance Laboratories Ltd Otley Road, Harrogate North Yorkshire HG3 1PY ENGLAND RECEIVED OPPT NCIC 2004 DEC 22 AM 11:20 Covance Study Number 2304/001 Covance Report Number 2304/001-D2149 Report Issued 16 July 2004 Page Number 1 of 89 Covance Study Number 2304/001 Final Report STATEMENT OF NO DATA CONFIDENTIALITY CLAIMS (14C)-8-2 Telomer B Alcohol: Adsorption/Desorption using a Batch Equilibrium Method No claim of confidentiality is made for any information contained in this study on the basis of its falling within the scope of FIFRA Sections 10(d)(1)(A), (B) or (C).

AR226-2176 Current Permit/Appllcatlon/PDF # 1823A 815D 815D 1353A Pra-Existing 614A 614A 781 1953 2365A Note: For some vents the surfactant rate Is less than the total particulate reported in Air Emissions Inventorywhich can Include polymer dust, Note: If emissions are sent to T6I2CE then emissions from T6IFCE are reduced.

AR226-2338 Fluoropolymers Monitoring Technical Group September 18, 2003 Agenda Program Overview - EPA Suggested Priority Change Discussion Landfills Soil Sampling Biota Sampling ssy ^E^y-^sl Possible Sources of Exposure PFO Impuri POSF R Mate Trans formation to PFOA APFO Manufacture w '< Fluoropolymer Summary Processing Fluoropolymer Manufacture Dry Resin Processing Non Fluoropolymer Products Aqueous Resin Processing APFO Manufacture 99% Reduction in emissions as compared to prior manufacture Air dispersion modeling Water monitoring - Prior Manufacturer - New technology baseline Program Plant Design LOI LOI/other LOI Timi In pl Com Ongo Ongo >99% Emissions Reduction APFO Manufacture Air Dispersion Modeling Water Monitoring LOI ECA Fluoropolymer Summary Processing Fluoropolymer Manufacture Non Fluoropolymer Products Dry Resin Processing Aqueous Resin Processing Non-Fluoropolymer Products Program Tim Commitment to not sell APFO outside fluoropolymer industry LOI Ong I 3s O, hrMi -- ID M m H 0 W M I-' 01 >99% Emissions Reduction APFO Manufacture Air Dispersion Modeling Water Monitoring Fluoropolymer Summary Processing Fluoropolymer Manufacture Dry Resin Processing Aqueous Resin Processing LOI ECA Fluoropolymer Manufacture Global Material Balance 50% Emissions Reduction Commitment 2002 Status - 48% reduction from the baseline Monitoring/Modeling Commitments - Air dispersion modeling - Groundwater - Soil - Landfill Program pre-LOl pre-LOl LOI LOI/other Other Other Timi Com 20 12/31 Ongo (Toda (Toda >99% Emissions Reduction APFO Manufacture Air Dispersion Modeling Water Monitoring LOI ECA Fluoropolymer Summary >50% Emissions Reduction Fluoropolymer Manufacture j-^ Dispersiola tVtodeling ^vVater Sampliing/ ^vionitormg ^/-<^n^--S^\ ------------------11 T31,,-N^/.1n^<' Processmg -> Dry Resin Processing Aqueous -> Resin -> Processing ------------------------k- W 0 I.J M H CT 0 w C.I 10 ^ aSu M CO I-' 0 W M It Processing/Articles of Commerce Program Tim Articles of commerce testing - "New" Articles of Commerce - "Aged" Articles of Commerce Dispersion processors material balance Incineration testing LOI ECA LOI ECA 12/3 200 12/3 6/30 >99% Emissions Reduction APFO Manufacture Air Dispersion Modeling Water Monitoring LOI ECA Fluoropolymer Summary >50% Emissions Reduction ^ Fluoropolymer Manufacture ^\ir Disperstoii ^viodeling \ Water Samplung/ 3v\ ionitoring ^C^S ^ ^Ton 1 k Processing ~> Dry Resin Processing Aqueous -+ Resin -^ Processing Articles of Commerce Tes Dispersion Processors Mat Aged Articles of Commer Incineration Testing sl a s s ro o ^ EPA Proposal Delay "Articles of Commerce" testing and goal date and accelerate "Air dispersion modeling" at Fluoropolym manufacturing sites in order to expedite the process to determine if additional monitoring (and ECA) is need these facilities.

AR226-2429 ^f^ ^ CONCEPTUAL CLOSURE PLAN gtf/MPDES PERMIT APPLICAT - I O ^ N ^.

-0000428-txt AR226-2451 June 24, 1998 Details of FC-143 Sample Data From CH2M Hill Available To-Date: Location Date Site Samp] Location Result ug/L Dry Run Landfill 5/19/98 II Stream I Stream 001 Outlet Leachate FBLK21 1.0 4.6 17 56 0.1 Letart Landfill 5/28/98 Lower Pond Upper Pond WWKLTLMW6 WWKLTLMW2A WWKLTLMW7 WWKLTLMW1 WWKLTLMW8 Trip Blank FBLK02 1100 480 30 990 260 24000 2700 0.1 0.1 Local Landfill 6/2/98 Outlet 101 54 Stream 2 15 Outfall 004 12 Outfall 005 39 FBLK05 0.1 Plant Site West WellFId 16 Page 1 EID086144 16058 (vlw) -0000428.txt Page 2 EID086145

AR226-2517 Mark E Reeder 05/21/2002 09:20 AM To: Michael G McClusky/AE/DuPont@DuPont cc: Ta-Wei Fu/SE/DuPorrt@DuPont Subject: Water Samples The C-8 results on the float tank samples you submitted are listed below.

AR226-2527 REMOVING THE 1.4X FACTOR FROM EXPERIMENTAL STATION C-8 IN MATER RESULTS, HERE IS A COMPARISON OF THE MOST RECENT SAMPLES: C-8 SAMPLE EXP ST (PPB) CH2MHILL CPPB) CH2M C9(?

AR226-2578 Lfiiirf) Waller DocumenI 10 of 16 ASB017491 EID477528 I I I I I I I I I III ^ ,^1\ - ) J '^SHiSy I I I I I I I I OHIO RIVER WATER SAMPLING PROPOSAL FOR THE WASHINGTON WORKS FACILITY AND THE LETART LANDFILL Date: February 2002 Project No.: D6WW7423 CORPORATE REMEDIATION GROUP An Alliance between DuPontand URS Diamond Barley Mill Plaza, Building 27 Wilmlngton, Delaware 19805 AJ3H017492 EID477529 Jp ,, ~1 1 1 1 Bill) ,i(;"aB^ -\ J - " 1 1 1 1 1 1 Ohio River Water Sampling Proposal Table Of Contents TABLE OF CONTENTS 1.0 Introduction.--.............,,,........,,........,.,..,...,.........,...,,....................,...,... 1 2.0 River Water Sampling Approach Near The Washington Works Facility................ .,3 3.0 River Water Sampling Near the Letart Landfill.................................................. 5 Table 1 Figure 1A Figure 1B Figure 2 TABLES Proposed River Water SamplingPlan DuPont Washington Works Facility and Letart Landfill FIGURES Proposed Ohio River Water Sampling Locations - Upstream, DuPont Washington Works Facility Proposed Ohio River Water Sampling Locations Downstream, DuPont Washington Works Facility Proposed Otuo River Water Sampling Locations, Letart Landfill Site revZrtwr.dOC F8b. 27,02 ( Wilrnlngton, DE ASH0174&3 EID477530 I Ohio RIvar Water Sampling Proposal Introduction ] 1.0 INTRODUCTION I I I I 1I A multi-media Consent Order (Order No.

AR226-2588 rAndrBwirRartteh" ---- ' "'^n^02?

AR226-2642 31 AR226-2642 Shimizu C8 Modeling Results -10/4/04 Scenario PlanB-1 (w/oDBS) Plan B-2(w/o DBS) Plan B-3, DBS @95% Plan B-3, DBS @96% Plan B-3, DBS @98% Plan B-4, DBS @95% Plan B-4, DBS @96% Plan B-4, DBS @98% Maximum Annual Average (all concentrations in ug/m3) 1997 0.836 0.637 0.283 0.234 0.099 0.191 0.161 0.076 1998 0.992 0.762 0.338 0.279 0.118 0.233 0.196 0.092 1999 0.824 0.622 0.276 0.228 0.097 0.184 0.154 0.074 Note: All maximum predicted annual average concentrations occur on the plant fenceline.

AR226-2659 (!