7MShAavmaoanrsamms@toatne TT SoeehJKEoemBR aGrotwmoaonnAsEDnUPGEEsDran eBraerrsa= R7ey ASEDTPOENDEGOOPPOrK Sohn ana Bem tE E ao chedd e e is anNelovsevcoetarorooandov+1ec5ari.sr2in0ao0gn1ct.oosfpsytAhaoetfadrI(oacnuLcamGoueaprnycatuoWmfaaeIltnlsevwrasaosusnbp1Drm5eoi0vctiepdmrsebodovenoirgdeA3wdin2un0nd0d(1eohr(ccuBonoevdvneeeirrrnTolcfaabslrat33wur)nrddeeartecdover A NyaorsTiadocu+a mwaaysramvoet bSemeintbeidw1ihaiarpersvitesgesd"s.abelP1le0aWseEIoPm.e k|rneowref ynoau have any quesians BOAm From BenarJdoReaiyt@OUoyRONTArannr1/a0o20S0T1BI0S3U3S2 23M12120020834 A rem To a eonmSr raSeTBaIo DrUoRn PGo OaU.Ph.n abPaalCaPoLrsdeCruicsLnKOSaaRTVRhoAIaOmEUAPEPSGIiODaUnLmPsPGOtOHNPeeGansOntGPteoa1rnscoJaRonmnaosSbTBeIOUPGOUP.

TECHNICAL REPORT SUMMARY " TO: TECHNICAL COMMUNICATIONS CENTER - 201-2CN (lttit~ortant-.

BACK TO MAIN CEntrE Analutical Laboratorks.

LPhone: (814)231-8032 BACK TO MAIN Fax:(814)231-1253 or (814)231-1 580 Analytical Report Fluorochemical Characterization of Surface Water and Sediment Samples Port St.

i P h o n e : (814) 231-8032 BACK TO MAIN Fax: (814) 231-1253 or (814) 231-1580 Analytical Repart Fluorochemical Characterization of Surface Water Samples Cleveland, Tennessee (W'I 973) Centre Analytical Laboratory Report No!.

BACK TO MAIN 3M Environmental Laboratory Biodegradation Studies Executive Summaw of Biodepradation $tudies 3M has completed a series of studies of the biodegradability of various fluorochemical materials based on EPA Guidelines OPPTS 835.3200, OPPTS 835.3210 and/or OPPTS 835.5045.

3MC w IRul,MN 5SI4+10oo 612733 Ill0 Deer Sir. . -.

Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendix F] Page 1 of 4 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________________________________________________________ Appendix F: PFOS in Liver Samples Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendix F] Page 2 of 4 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________________________________________________________ PFOS in Rat Liver [ppm] Animal No.

5s 5 &M 8gsE 8 $ oF 3 2 g "2=5 S8 & ge?

AR226-2095 i .

AR226-2569 [AndrewSHartten"'' "'" " " " """09/Tl/200202:26"'PM| To: cc: Subject.

AR226-2644 33 AR226-2644 SPRUANCE TEFLON PROCESS AND WASTE WATER TREATMENT SYSTEM CHARACTERIZATION FOR C8 The procedure, which follows, has been prepared to address the sample collection need for C8 analysis of waste water samples including: 1.

AR226-2653 43 AR226-2653 ISC Modeling Methodology and Results Introduction This report summarizes dispersion modeling that was completed for the DuPont Washington Works facility to demonstrate that the emission limits included in Permit Application 1823C for the Thermal Converter complies with the C-8 assessment oftoxicity (CAT) recommended airborne screening level of 1.0 ug/m3 at the property line fence.

AR226-2677 67 AR226-2677 DRL PROJECT ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 SRCNAME DRLEACHATE DRMW12 DRMW12A DRMW13 DRMW13A DRMW14 DRMW6 DRMW6A TRIP BLANKS DRLEACHATE DRMW12 DRMW12A DRMW12B DRMW13 DRMW13A DRMW14 DRMW6A OUTLET 001 PROPERTY BOUNDARY STREAM SAMPLING POINT#1 STREAM SAMPLING POINT#2 DRLEACHATE DRMW12 DRMW12A DRMW12B DRMW13 DRMW13A DRMW14 DRMW15 DRMW6A OUTLET 001' PROPERTY BOUNDARY STREAM SAMPLING POINT#1 STREAM SAMPLING POINT#2 DRLEACHATE DRMW12 DRMW12A DRMW12B DRMW13 DRMW13A DRMW14 DRMW15 DRMW6A OUTLET 001 PROPERTY BOUNDARY THEME Other liquid Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Blank Water Other liquid Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Other liquid Other liquid Other liquid Other liquid Other liquid Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Other liquid Other liquid Other liquid Other liquid Other liquid Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Other liquid Other liquid DATESMPL 7/22/1997 7/22/1997 7/22/1997 7/22/1997 7/22/1997 7/21/1997 7/22/1997 7/22/1997 7/22/1997 5/19/1998 5/26/1998 5/26/1998 6/16/1998 5/26/1998 5/26/1998 6/16/1998 5/26/1998 5/19/1998 7/14/1998 5/19/1998 5/19/1998 12/29/1999 7/21/1999 7/21/1999 7/21/1999 7/21/1999 7/21/1999 7/21/1999 7/21/1999 7/21/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 10/3/2000 7/19/2000 7/19/2000 7/20/2000 7/20/2000 7/20/2000 7/20/2000 7/20/2000 7/20/2000 10/3/2000 10/3/2000 SMPLT FS FS FS FS FS FS FS FS TB FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS SAMPLEJMUMBER WWK-DRLEACHATE WWK-DRMW-12 WWK-DRMW-12A WWK-DRMW-13 WWK-DRMW-13A WWK-DRMW-14 WWK-DRMW-6 WWK-DRMW-6A WWK-TRIP BLANK LEACHATE WWK-DRMW-12 WWK-DRMW-12A WWK-DRMW-12B WWK-DRMW-13 WWK-DRMW-13A WWK-DRMW-14 WWK-DRMW-6A 001 OUTLET PROPERTY LINE STREAM I STREAM II WWK-LEACHATE WWK-G-DR-MW-12 WWK-G-DR-MW-12A WWK-G-DR-MW-12B WWK-G-DR-MW-13 WWK-G-DR-MW-13A WWK-G-DR-MW-14 WWK-G-DR-MW-15 WWK-G-DR-MW-6A WWK-001_OUTLET WWK-PROPERTY_BOUNDARY WWK-STREAM_#1 WWK-STREAM_#2 DRL-Z-LEACHATE-UPPER_POND_INLE DRL-G-MW-12 DRL-G-MW-12A DRL-G-MW-12B DRL-G-MW-13 DRL-G-MW-13A DRL-G-MW-14 DRL-G-MW-15 DRL-G-MW-6A DRL-Z-001_OUTLET DRL-Z-PROPERTY BOUNDARY TOP C8 results Envista 111104-xls Page-l ^^a^^^^^TOSffi%^KSi^^ffi^a^K?

\ J - Copl;es to AR226-2857 Material Tested ------3 HaskelI HASKELL [ E.