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Concentrations of triclosan (TCS), triclocarban (TCC), dichlorocarbanilide (DCC), and carbanilide (NCC) in bed sediments located up- and downstream of WWTP discharge locations. Error bars represent the standard deviation of analyte concentrations determined in triplicate independent extractions. MDLs for TCC, TCS, DCC, and NCC by LC-ESI-MS/MS were 0.0003, 0.22, 0.01, and 0.003 μg/kg-dw, respectively.
