Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 548, Issue -, Pages 148-154Publisher
ELSEVIER
DOI: 10.1016/j.scitotenv.2016.01.051
Keywords
Pharmaceuticals; Cocaine; Submarine sewage outfall; Subtropical zone; Marine environment
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Funding
- CNPq [481358/2012-9, 481553/2012-6]
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The present study determined environmental concentrations of pharmaceuticals, cocaine, and the main human metabolite of cocaine in seawater sampled from a subtropical coastal zone (Santos, Brazil). The Santos Bay is located in a metropolitan region and receives over 7367 m(3) of wastewater per day. Five sample points under strong influence of the submarine sewage outfall were chosen. Through quantitative analysis by LC-MS/MS, 33 compounds were investigated. Seven pharmaceuticals (atenolol, acetaminophen, caffeine, losartan, valsartan, diclofenac, and ibuprofen), an illicit drug (cocaine), and its main humanmetabolite (benzoylecgonine) were detected at least once in seawater sampled from Santos Bay at concentrations that ranged from ng.L-1 to mu g.L-1. In light of the possibility of bioaccumulation and harmful effects, the high concentrations of pharmaceuticals and cocaine found in this marine subtropical ecosystem are of environmental concern. (C) 2016 Elsevier B.V. All rights reserved.
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