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3M Environmental Laboratory AlWo e-os-ftyo M ethod Determination of Perfluorooctane sulfonate (PFOS), Perfluorooctane SULFONYLAMIDE (PFOSA), AND PERFLUOROOCTANOATE (POAA) IN W ATER BY LlQUIDSolid Extraction and High-Performance Liquid Chromatography/Tandem Mass Spectrometry (HPLC/MS/MS) Method Number: ETS-8-154.0 Adoption Date: Author: Kristen J.

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AR226-2219 EXD294947 Stock Parameters 1823A 815D 813D 1353A Pre-Existing 614A 614A 781 1553 2365A Seimworks Application Seiiiiworka Application Seimworks Application Sciniworks Application ' Vcni IDT61ZCE consists o f 18 onc-foot diameter vents.

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AR226-2682 RECYCLED AR226-2682 i C-8 BIODEGRADATION IN ---------- GROUND WATER------ Andrew Hartten Dave Ellis May 7, 1998 g N O W 0o) >J EID473110 \ GEOLOGICAL CROSS SECTION S d rfih RJZ036078 SAMPLING LOCATIONS SITE CONCEPTUAL MODEL Source Areas Former anaerobic digestion ponds (sludges removed) C-8 up to 614 mg/kg @ 8 - 1 0 foot depth Ground water at 30' q ESI O w 0o) 00 EID473113 SITE CONCEPTUAL MODEL - 2 Hydrogeology Sand and gravel 65-100 feet deep Yields up to 300 GPM Production wells influence GW flow paths Linear velocity 1 ft/day K= loo ft/day ta H o it #* RJZ036081 LUBECK WELL FIELD I Travel time from anaerobic ponds is about 5 years / **" -* 2 ppb discharge concentration M Ha RJZ036082 M w \ WHY STUDY C-8 DEGRADATION IN GROUND WATER?

AR226-2710 AR226-2710 Aerobic Biotransformation o f 14C-labeled 8-2 Telomer B Alcohol by Activated Sludge from a Dom estic Sewage Treatment Plant Ning Wang*f, Bogdan Szostekf, Patrick W Folsomf, Lisa M.

L _ s a fe H AAS- DuPont-10819 TRADE SECRET Study Title Bacterial Reverse M utation Test w ith an Independent Repeat Assay Authors Valentine O.

V 460 M M 6 - 3278 DR.U.NOACK-LABORATORIUM FR ANGEWANDTE BIOLOGIE Earthworm (Eisenia fetida), Acute Toxicity Test in Artificial Soil acc. to OECD Guideline 207 for Testing of Chemicals (adopted April 04, 1984) Clariant Daikin Industries Ltd Dupont Author Martina Noack Test Facility Dr .U.Noack-Laboratorium FOR ANGEWANDTE BIOLOGIE Kthe-Paulus-Str. 1 D-31157 Sarstedt Laboratory P\ Project-No.

AR226-3357 Application of L G M S /M S Methodology to Determination < Telomer B Alcohols, Perfluorinated Acids, and Fluorosurfactants in Environmental M atrices.