Toxicological Summary PFOS Dietary Chronic Pilot Reproductive Study: Northern Bobwhite Test Substance: Perfluorooctancsulfonate (PFOS) Structure: Test Remarks: METHODS h1e-pOtcatdaenceasfullufoornoi-cpaoctiads,si1u,m1,s2a,lt2,,3C34A.S4,H5,257.96,56-,319,-73,8.8.88Tw6ha.es9s%tteobtryesdLubuMsntdSaenr,caem"ibHsi-eaNnMwthRci,otneadnipdtoiewoldnesemraenn(td3aplMuraLnioatlyty#wsiass21td7e)ec,thenriTmqhiuenesedsatmopplee Method: ASTM Standard E1062-86and `Type: Dietary Reproduction FIFRA Subdivision E.

ENV/JM/MONO(2009)1 Unclassified Unclassified ENV/JM/MONO(2009)1 Organisation de Coopration et de Dveloppement conomiques Organisation for Economic Co-operation and Development 27-Jan-2009 ___________________________________________________________________________________________ English - Or.

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TestResults AR226-2130 !

Poly en perfluoralkylstoffen (PFAS) in de Rijkswateren Concentraties in water en biota tussen 2008 en 2020 M.T.O.

AR226-2188 ^y Debbie J Mulrooney 08/23/2001 09:53 AM ' To: cc: Subject Chris E Shoop/AE/DuPontQDuPont Question on Source Spreadsheet Chris, I noticed that on the revised spreadsheet you added a column showing the fraction of PM that is C8.

AR226-2292 ' ' Chris E Shoop 10/17/200210:07 -":::'::;^^;N%^^i;%i:-'; AM____________________ To: Robert LRitchey/CUDuPontQDuPont CK Oscar T Gaiza/ABDuPont@DuPonl, Ta-Wei Fu/SBDuPont@DuPont, Fred M Lentz/SE/DuPont@DuPont, Kari G Kronberg/AE/DuPon@DuPont,Debbie J Mulrooney/AE/DuPont@DuPont, Robert I Wevodau/SE/DuPont@DuPonl Subject Explanation ol Input Data far Modeling Studies Bob.

AR226-2552 -^ Washington Works EPA/COE Update Meeting July 18, 2002 Agenda Background/Receat Project Activity - RCRA Program Status - Multi-Media Consent Order Update - GW Modeling Project Review Preliminary GW Modeling Res RCRA Program Path Forward - RFI Report/EPA Review -El Status Meeting Objectives Provide brief overview of recent MMC activity at Washington Works Re-assess where we stand with regard t EPA Region HI RCRA program, determ next steps (i.e., RFI, EJ.s) Receive technical feedback from EPA/C on the newly constructed Wash Works Flow Model ^K Background/Recent Activi RCRA Program Status - EPA reviewing RFI report - C-8 screening levels needed for completio --- El evaluation also on hold pending C-8 screening levels - Ongoing GW Modeling project will addre EPA/COE 2001 comments on 1999/RFI version of GW Model Background/Recent Activi Multi-media Consent Order (WVDEP) Required Elements: - Toxicology/CAT: Develop RBC-Like screening levels for dw, soil, and air - GW/SW Investigation/GIST: Determme in groundwater & surface water at/near sit - Cap/reduce emissions to air & sw CAT Highlights Toxicology team met May 5-7.

Subject: Now available: Draft Guidance on use, storage and disposal of Class B Firefighting Foam containing POPs (C8) Forthcoming Engagement Importance: Normal Sensitivity: None Afternoon Please find attached the: DRAFT Guidance on the Use, Storage and Disposal of Class B Firefighting Foam Containing Persistent Organic Pollutants (POPs) SE PA* Scottish Environment Protection Agency Buidheann Dion Arainneachd na h-Alba Reminder that you can register for an information session on Tuesday 29th November from 14:30 - 16:00.

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P. 1 TSCA Document Processing Center August 10, 2006 Attn : Section 8(e)/FYI Page 5 of 10 Attachment 2 ~226_37 38 Tables and excerpts from the draft protocols that contain information related to C-8 blood levels .

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