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2020.01.22_CCO.p11.2_SedimentCharacterizationPlanUpdatedTable1Table 1 PFAS and Associated Methods Chemours Fayetteville Works, North Carolina Geosyntec Consultants NC, PC TestAmerica Eurofins Lancaster PEPA Perfluoroethoxypropyl carboxylic acid 267239-61-2 C5HF9O3 1.00 -- PFECA-G Perfluoro-4-isopropoxybutanoic acid 801212-59-9 C12H9F9O3S 1.00 -- PFMOAA Perfluoro-2-methoxyaceticacid 674-13-5 C3HF5O3 1.00 -- PFO2HxA Perfluoro(3,5-dioxahexanoic) acid 39492-88-1 C4HF7O4 1.00 -- PFO3OA Perfluoro(3,5,7-trioxaoctanoic) acid 39492-89-2 C5HF9O5 1.00 -- PFO4DA Perfluoro(3,5,7,9-tetraoxadecanoic) acid 39492-90-5 C6HF11O6 1.00 -- PMPA Perfluoromethoxypropyl carboxylic acid 13140-29-9 C4HF7O3 1.00 -- Hydro-EVE Acid Perfluoroethoxsypropanoic acid 773804-62-9 C8H2F14O4 1.00 -- EVE Acid Perfluoroethoxypropionic acid 69087-46-3 C8HF13O4 1.00 -- PFECA B Perfluoro-3,6-dioxaheptanoic acid 151772-58-6 C5HF9O4 1.00 -- R-EVE R-EVE NA1 C8H2F12O5 1.00 -- PFO5DA Perfluoro-3,5,7,9,11-pentaoxadodecanoic acid 39492-91-6 C7HF13O7 1.00 -- Byproduct 4 Byproduct 4 NA1 C7H2F12O6S 1.00 -- Byproduct 6 Byproduct 6 NA1 C6H2F12O4S 1.00 -- Byproduct 5 Byproduct 5 NA1 C7H3F11O7S 1.00 -- NVHOS Perfluoroethoxysulfonic acid 1132933-86-8 C4H2F8O4S 1.00 -- PES Perfluoroethoxyethanesulfonic acid 113507-82-7 C4HF9O4S 1.00 -- PFESA-BP1 Byproduct 1 29311-67-9 C7HF13O5S 1.00 -- PFESA-BP2 Byproduct 2 749836-20-2 C7H2F14O5S 1.00 -- HFPO-DA Hexafluoropropylene oxide dimer acid 13252-13-6 C6HF11O3 0.25 3.0 PFBA Perfluorobutanoic acid 375-22-4 C4HF7O2 0.200 2.0 PFDA Perfluorodecanoic acid 335-76-2 C10HF19O2 0.200 0.60 PFDoA Perfluorododecanoic acid 307-55-1 C12HF23O2 0.200 0.60 PFHpA Perfluoroheptanoic acid 375-85-9 C7HF13O2 0.200 0.60 PFNA Perfluorononanoic acid 375-95-1 C9HF17O2 0.200 0.60 PFOA Perfluorooctanoic acid 335-67-1 C8HF15O 0.200 0.60 PFHxA Perfluorohexanoic acid 307-24-4 C6HF11O2 0.200 0.60 PFPeA Perfluoropentanoic acid 2706-90-3 C5HF9O2 0.200 0.60 PFTeA Perfluorotetradecanoic acid 376-06-7 C14HF27O2 0.200 0.60 PFTriA Perfluorotridecanoic acid 72629-94-8 C13HF25O2 0.200 0.60 PFUnA Perfluoroundecanoic acid 2058-94-8 C11HF21O2 0.200 0.60 PFBS Perfluorobutanesulfonic acid 375-73-5 C4HF9SO 0.200 2.0 PFDS Perfluorodecanesulfonic acid 335-77-3 C10HF21O3S 0.200 0.60 PFHpS Perfluoroheptanesulfonic acid 375-92-8 C7HF15O3S 0.200 0.60 PFHxS Perfluorohexanesulfonic acid 355-46-4 C6HF13SO3 0.200 0.60 PFNS Perfluorononanesulfonic acid 68259-12-1 C9HF19O3S 0.200 0.60 PFOS Perfluorooctanesulfonic acid 1763-23-1 C8HF17SO3 0.500 0.60 PFPeS Perfluoropentanesulfonic acid 2706-91-4 C5HF11O3S 0.200 0.60 10:2 FTS 10:2-fluorotelomersulfonic acid 120226-60-0 C12H5F21O3 0.200 2.0 4:2 FTS 4:2 fluorotelomersulfonic acid 757124-72-4 C6H5F9O3S 2.00 2.0 6:2 FTS 6:2 fluorotelomersulfonic acid 27619-97-2 C8H5F13SO3 2.00 2.0 8:2 FTS 8:2 fluorotelomersulfonic acid 39108-34-4 C10H5F17O3S 2.00 3.0 NEtFOSAA NEtFOSAA 2991-50-6 C12H8F17NO4S 2.00 2.0 NEtPFOSA NEtPFOSA 4151-50-2 C10H6F17NO2S 0.200 2.0 NEtPFOSAE NEtPFOSAE 1691-99-2 C12H10F17NO3S 0.200 2.0 NMeFOSAA NMeFOSAA 2355-31-9 C11H6F17NO4S 2.00 2.0 NMePFOSA NMePFOSA 31506-32-8 C9H4F17NO2S 0.200 2.0 NMePFOSAE NMePFOSAE 24448-09-7 C11H8F17NO3S 0.200 2.0 PFDOS Perfluorododecanesulfonic acid 79780-39-5 C12HF25O3S 0.200 2.0 PFHxDA Perfluorohexadecanoic acid 67905-19-5 C16HF31O2 0.200 0.60 PFODA Perfluorooctadecanoic acid 16517-11-6 C18HF35O2 0.200 0.60 PFOSA Perfluorooctanesulfonamide 754-91-6 C8H2F17NO2S 0.200 0.60 Notes: PQLs are as of January 2020 EPA - Environmental Protection Agency ng/g - nanograms per gram PFAS - per- and polyfluoroalkyl substances PQL - practical quantitation limit SOP - Standard Operating Procedure -- - analysis is not offered NA1 - no CAS number assigned NA2 - Eurofins Lancaster uses EPA Method 537 Mod for these analytes. See EPA Method 537 Mod list for the associated PQL. NA3 - Table 3+ Method is used by TestAmerica for these analytes. See Table 3+ list for the associated PQL. *Depending on the laboratory, HFPO-DA may also appear on the EPA Method 537 Mod analyte list EPA Method 537 Mod Chemical Formula Soil/Sediment (ng/g) Table 3+ Lab SOP Analytical Method Common Name Chemical Name CASN January 2020