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List of abbreviations Acronym 3F 4:2 FTMA 4:2 FTO 8:2 FTSA 6:2 FTOH 6:2 FTSA 7:3 FTCA 8:2 Cl-PFESA 8:2 PTrMeOSi 9Cl-PF3ONS ADME ADONA AFFF ALT AOF AOP AR AR-AFFF ARFF AR-FFFP ATSDR BAC BAF BAU BCF BOD BP C CAA CAF CAR CBT C-E CIC CMR COP CSS CTD CTVs DMW DoD DONA Explanation Fluorine-free foam 4:2 fluorotelomer methacrylate fluorotelomer olefin 8:2 fluorotelomer sulfonic acid 6:2 fluorotelomer alcohol 6:2 fluorotelomer sulfonic acid 7:3 fluorotelomer carboxylic acid 8:2 Cl-polyfluorinated ether sulfonate 8:2 polyfluoroalkyl trimethoxysilane 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid Processes of absorption, distribution, metabolism, and excretion Ammonium 4,8-dioxa-3H-perfluorononanoate, 3H-perfluoro-3-[(3methoxy-propoxy)propanoic acid] Aqueous Film-Forming Foam Serum alanine transferase Total adsorbable organic fluorine Advanced oxidation process Androgen receptors Alcohol Resistant-Aqueous Film Forming Foam Aircraft Rescue & Firefighting Alcohol-Resistant Film-Forming Fluoro-Protein Agency for Toxic Substances and Disease Registry Biological activated carbon Bioaccumulation potential Business as usual Bioconcentration Factor Biological oxygen demand Biocidal products Carcinogenicity Civil Aviation Authority Compressed air foam Constitutive androstane receptor Closed Bottle Test Cost-effectiveness Combustion ion chromatography Carcinogenic, mutagenic or toxic for reproduction Conference of the Parties Chemical Strategy for Sustainability Characteristic Travel Distance Chronic toxicity values Distribution ratios for membrane-water Department of Defense Dodecafluoro-3H-4,8-dioxanonanoic acid DPW dw DWD EA ECHA EC50 ECOS ED EEA EFSA EOF EPAs EQSD ER EtFOSAA Eurofeu EUREAU EURITS F-53B FABPs FASAs FASEs FBG FCCC FFFC FFFP FHEA FI FOSA FMV FP FPA Australia FRV FPAR FTCA FTIs FTSAs FTTAoSs FTUCA GAC GDP GFK GGMs GHG GRP Distribution ratios for protein-water Dry weight Drinking Water Directive Endocrine Activity European Chemicals Agency Half maximal effective concentration Environmental Coalition on Standards Endocrine Disruption European Economic Area European Food Safety Authority Extractable organic fluorine Environmental Protection Agencies Environmental Quality Standards Directive Estrogen receptors N-Ethyl perfluorooctane sulfonamidoacetic acid European Committee of the Manufacturers of Fire Protection Equipment and Fire Fighting Vehicles European Federation of National Associations of Water Services European Union for Responsible Treatment of Special Waste 6:2 Cl-polyfluorinated ether sulfonate (6:2 Cl-PFESA) Fatty acid binding proteins Perfluoroalkane sulfonamides Perfluoroalkyl sulfonamidoethanols Fasting blood glucose US association Fire Fighting Foam Coalition Fire Fighting Foam Coalition Fluoroprotein foam concentrates and film forming fluoro-protein Perfluorohexyl ethanoic acid Fasting insulin Perfluorooctane sulfonamide Swedish Defence Materiel Administration Fluoro Protein Fire Protection Association Australia Fire Rescue Victoria, Australia Fluoro-Protein Alcohol-Resistant Fluorotelomer carboxylic acid Fluorotelomer iodides Fluorotelomer sulfonic acids Fluorotelomer thioether amido sulfonates Fluorotelomer unsaturated carboxylic acid Granular activated carbon Gross domestic product Glass fiber reinforced composite material Gaussian graphical models Greenhouse gas Glass-fiber reinforced plastic GWP HCFCs HDL HDL-C HFCs HFEs HFOs HFP HFPO-DA HPG HPT HWI IBCs IC50 ICAO IED IMO Intertanko IPEN IPCC ITRC IX Kd kg KEMI L LAST LC LDL LDL-c LfU LOEC LoQ LRT LRTP M MAC Directive MoD MetS mg MFB MLB MoA monoPAPs/diPAPs MSFD Global Warming Potential Hydrochlorofluorocarbons High-density lipoprotein High-density lipoprotein cholesterol Hydrofluorocarbons Hydrofluoroethers Hydrofluoroolefins Hexafluoropropene Hexafluoropropylene oxide dimer acid, 2,3,3,3-tetrafluoro-2(heptafluoropropoxy)propanoic acid, FRD-903, GenX Hypothalamic-pituitary-gonadal Hypothalamic-pituitary-thyorid Hazardous waste incinerators Intermediate bulk containers The concentration of drug required for 50% inhibition International Civil Aviation Organization Industrial Emissions Directive International Maritime Organization International Association of Independent Tanker Owners International Pollutants Elimination Network Intergovernmental Panel on Climate Change Interstate Technology and Regulatory Council Ion exchange sediment/water distribution coefficients Kilogram Swedish Chemicals Agency Lactation effects Large atmospheric storage tank Lethal Concentration Low-density lipoprotein Low-density lipoprotein cholesterol Bavarian State Ministry for the Environment and Consumer Protection Lowest observed effect concentration Limit of Quantification Long-range transport Long Range Transport Potential Mutagenicity Mobile Air-Conditioning Directive Ministry of Defence Metabolic syndrome Milligram Victorian Metropolitan Fire and Emergency Services Board Mobile extinguishing water treatment plant (DE) Mode of Action Polyfluoroalkyl phosphoric acid mono-/diesters Marine Strategy Framework Directive MWV n:2 FTIs NDAA NIVA ng NHANES NK NPS NPV NTCP NTS OATs OATPs OBS OECD OF/AOF PAC PAHs PAPs PASF PBTK PBT PCBs PCTFE PEC PEG PFA PFAAs PFAEs PFASs PFBA PFBPA PFBS PFCAs PFDA PFDoDA PFECAs PFECHS PFESAs PFHpA PFHxA PFHxS PFMOBA PFNA PFOA Minerallwirtschaftsverband (German associations for Mineral oil Industry) n:2 Fluorotelomer iodides National Defence Authorization Act Norwegian Institute for Water Research Nanogram National Health and Nutrition Examination Survey Natural killer Nano-sized particle fractionator Net present value Na+/taurocholate co-transporting polypeptide Non-destructive Testing System Organic anion transporters Organic anion transporting polypeptides Additional PFASs such as F-53B and p-perfluorous nonenoxybenzenesulfonate Organisation for Economic Co-operation and Development Extractable/adsorbable organofluorine Powdered activated carbon Poly aromatic Hydrocarbons Perfluoroalkyl phosphate esters Perfluroalkane sulfonyl fluoride substances Physiologically based toxicokinetic Persistent, bioaccumulative and toxic Polychlorinated biphenyls Polychlorotrifluoroethylene Predicted Environmental Concentration Polyethylene glycol Perfluoroalkoxy polymer Polyfluoroalkyl acids Perfluoroalkylethers Per- and Polyfluoroalkyl Substances Perfluorobutanoic acid Perfluorobutyl phosphonic acid Perfluorobutane Sulfonic acid Perfluoroalkyl Carboxylic acid Perfluorodecanoic acid Perfluorododecanoic acid Perfluoroalkylether carboxylic acids Perfluoroalkane sulfonate Perfluorooctyl phosphonic acid perfluoroheptanoic acid Perfluorohexanoic acid Perfluorohexane sulfonic acid Perfluoro(4-methoxybutanoic) acid Perfluorononanoic acid Perfluorooctanoic acid PFOPA PFOS PFOSA PFPAs PFPE PFPiAs PFTeDA PFTrDA PFSAs PFUnDA PICs PMM PNEC POP POPRC PPAR ppb PPE ppm PPP PTFE PXR QSAR R RAC RCF R&D RISE RIVM RMM RMO RO SDS SEA SEAC SFPs SHB SPM SS STOT RE SVHC TBG TC TDAR TERC Perfluorooctyl phosphonic acid Perfluorooctane sulfonic acid Perfluorooctanesulfonamide Perfluoroalkyl phosphonic acids Perfluoropolyether Perfluoroalkyl phosphinic acids Perfluorotetradecanoic acid Per-fluorotridecanoic acid Perfluoroalkane sulfonic acids Perfluoroundecanoic acid Products of incomplete combustion Perfluoro-N-methylmorpholine Predicted No Effect Concentration Persistent Organic Pollutants POP Review Committee Peroxisome proliferator activated receptors Parts per billion Personal protective equipment Parts per million Plant protection products Polytetrafluoroethylene Pregnane X-receptor Quantitative structure-activity relationship Reproductive toxicity Committee for Risk Assessment Root concentration factor Research and Development Research Institute of Sweden The National Institute for Public Health and the Environment NL Risk management measure Risk management option Restriction option Safety data sheet Socio-economic assessment Committee for Socio-economic Analysis Side-chain fluorinated polymers Southern Hudson Bay Suspended particulate matter Steady state Specific target organ toxicity on repeated exposure Substances of Very High Concern Thyroxine-binding-glubolin Total cholesterol T-cell-dependent antibody responses Toxicology & Environmental Research and Consulting, The Dow Chemical Company TF TFA TFE TFMP TG TMF TRR TSCA TOC TOF TOPA or TOP TTR TWI UBA UNECE UNFCCC UNEP US EPA US NFPA UWWTD UTV UV vPvB VTG WFBC WFD WFVD WHB ww WWTP Total fluorine Trifluoroacetic acid Tetrafluoroethylene 4-(trifluoromethyl)phenol Triglycerides Trophic magnification factor Total radioactive residue Toxic Substances Control Act (US) Total organic carbon Total fluorine Total oxidizable precursor Thyroxine transport proteins transthyretin Tolerable Weekly Intake German Environment Agency United Nations Economic Commission for Europe United Nations Framework Convention on Climate Change United Nations Environment Programme U.S.

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Responsible Substance group MS Acronym Structural Traits C1 C2 Perfluoroalkyl carboxylic acids Important PFCA precursors Perfluoroalkyl dicarboxylic acids Perfluoroether carboxylic acids Perfluoroalkyl sulfonic acids Important PFSA precursors Perfluoroalkyl disulfonic acids Perfluoroether sulfonic acids Perfluoroalkyl phosphonic acids PFCAs PFdiCAs PFECAs PFSAs PFdiSAs PFESAs PFPAs CnF2n+1-COOH HOOC-CnF2n-COOH -CnF2n-O-CmF2m-; -COOH CnF2n+1-SO3H HO3S-CnF2n-SO3H -CnF2n-O-CmF2m-; -SO3H (CnF2n+1)-P(=O)(OH)2 C3 C4 PFBA C5 C6 C7 C8 C9 C10 C11 C12 PFHxA PFHpA PFOA PFNA PFDA C13 C14 C15 C16 C17 C18

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3 GLP10-01-02 Interim Report 01: Analysis for PFOS, PFHS and PFBS in Decatur Site Soils Collected in March/April 2010 Study Title 3M Environmental Laboratory Analytical Protocol GLP-10-01-02: Analysis of Perfluorooctane Sulfonate (PFOS), Perfluorohexane Sulfonate (PFHS) and Perfluorobutane Sulfonate (PFBS) in Groundwater, Soil and Sediment for the 3M Decatur Phase 3 Site-Related Monitoring Program Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR Part 792 Study Director Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 Principle Analytical Investigator Cleston C.

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