Surface water concentrations and loading budgets of pharmaceuticals and other domestic-use chemicals in an urban watershed (Washington, DC, USA)

Archives of Environmental Contamination and Toxicology
Lirije Shala, Gregory D Foster

Abstract

Pharmaceuticals and domestic-use chemicals (PDCs) are classes of emerging chemical contaminants thought to enter the aquatic environment primarily through wastewater treatment plant (WTP) discharges. The intent of this study was to quantify loadings of PDCs in an urban watershed. The watershed has two major branches but with wastewater discharge occurring in only one of the two major branches. Surface water from the Anacostia River (Washington, DC) was collected in base-flow and storm-flow regimes. Surface water was filtered to separate water and particles, and the PDCs were extracted from water with Oasis HLB solid-phase extraction cartridges and extracted from sediments using microwave-assisted extraction. The PDCs in the extracts were quantified using gas chromatography-mass spectrometry in the form of the trimethylsilyl ether derivatives. The most frequently detected PDC with the highest concentration was bisphenol-A in both branches of the Anacostia River watershed and the least frequently detected PDC was diclofenac. The overall median concentrations for all measured PDCs in surface water ranged from nondetectable to 54.9 ng/l. Alternatively, in the collected WTPs samples, naproxen was observed, with the highest concentra...Continue Reading

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Citations

Sep 29, 2011·Environmental Science and Pollution Research International·Nancy E GlozierDavid B Donald
May 1, 2012·Environmental Science and Pollution Research International·Victoria OsorioDamià Barceló
Nov 15, 2011·Environmental Science and Pollution Research International·Karen L Bushaw-NewtonStephen E Macavoy
Nov 26, 2015·Environmental Science & Technology·David J FairbairnDeborah L Swackhamer
Aug 25, 2016·Environmental Science and Pollution Research International·Osamu KiguchiTakashi Kobayashi
Apr 28, 2017·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Golala AryaGregory D Foster
Dec 18, 2015·Dose-response : a Publication of International Hormesis Society·Jone CorralesBryan W Brooks
Jan 1, 2013·Environmental Science. Processes & Impacts·Indrani MahapatraJamie R Lead
Nov 29, 2017·Journal of Toxicology and Environmental Health. Part B, Critical Reviews·Lisa M Weatherly, Julie A Gosse
Dec 2, 2017·Environmental Science and Pollution Research International·Diana Nara Ribeiro de SousaPedro Sergio Fadini
Jan 14, 2020·The Science of the Total Environment·Steven T GoldsmithAmanda M Grannas

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