期刊
ENVIRONMENTAL POLLUTION
卷 174, 期 -, 页码 305-315出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2012.11.022
关键词
Pharmaceuticals; Transformation products; Metabolites; Urban groundwater; Field scale; Barcelona
资金
- Spanish Ministry of Science and Innovation [CGL2007-64551/HID, CSD2009-00065]
- SGR of Generalitat de Cataluna [2009-SGR00796]
- Spanish Ministry of Economy and Competitivity through the FPI pre-doctoral grant
- ICREA Funding Source: Custom
The present paper presents the occurrence of 72 pharmaceuticals and 23 transformation products (TPs) in groundwaters (GWs) underlying the city of Barcelona, Spain. Thirty-one samples were collected under different districts, and at different depths. Aquifers with different geologic features and source of recharge were included, i.e., natural bank filtration, infiltration from wastewater and water supply pipes, rainfall recharge, etc. Antibiotics were the most frequently found compounds detected at levels reaching 1000 ng L-1. Natural bank filtration from the river that receives large amounts of effluents from waste water treatment plants (WWTPs), turned out being the most influencing source of contamination, thus GW showed high range of compounds and concentrations as high as or even higher than in the river itself. In general, TPs were found at lower concentrations than the corresponding parent compounds, with some exceptions, such as 4OH propranolol and enalaprilat. (c) 2012 Elsevier Ltd. All rights reserved.
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