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ySouthern California Coastal Water Research Project Authority, Costa Mesa, California, USAzCalifornia Regional Water Quality Control Board, Los Angeles Region, Los Angeles, California, USAxAdvanced Water Technology Center, Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, Colorado, USAkChemical and Environmental Engineering, University of Arizona, Tucson, Arizona, USA#Los Angeles County Sanitation Districts, Whittier, California, USA(Submitted 2 July 2013; Returned for Revision 15 August 2013; Accepted 2 November 2013)Abstract: To inform future monitoring and assessment of chemicals of emerging concern (CECs) in coastal urban watersheds, theoccurrence and fate of more than 60 pharmaceuticals and personal care products (PPCPs), commercial/household chemicals, current-usepesticides, and hormones were characterized in 2 effluent-dominated rivers in southern California (USA). Water samples were collectedduring 2 low-flow events at locations above and below the discharge points of water reclamation plants (WRPs) and analyzed using gaschromatography–massspectrometryandliquidchromatography–tandemmassspectrometry.Approximately50%oftargetedCECsweredetectableatstationsdownstreamfromWRPs,comparedwith |
