Journal
WATER RESEARCH
Volume 45, Issue 1, Pages 221-231Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.watres.2010.07.050
Keywords
Reclaimed water; River water; Pharmaceuticals and personal care products; Disinfection by-products; Pesticides; Micropollutant soil loadings
Funding
- Agencia Catalano de Seguretat Alimentaria (ACSA) of Catalan Government (Generalitat de Catalunya)
- CONACYT (Mexico)
- COLCIENCIAS (Colombia)
- Spanish Ministry of Science and Innovation
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Reclaimed water usage for crop irrigation is viewed both as an excellent sustainable water source and as a potential entrance for emerging organics into the food chain. This concern is backed by the already documented pollutant crop uptake potential. In the present study, irrigation waters used in agricultural fields (Torroella de Montgri, NE Spain) were screened for 47 analytes in a two year study (2007-2008). A total of 26 contaminants belonging to different chemical classes namely, pesticides, pharmaceuticals, personal care products, phenolic estrogens, antioxidants and disinfection by-products, were detected. Marked differences in concentration trends for the different chemical classes were evidenced from 2007 to 2008, and attributed to a persistent drought endured by the region in 2008. Also, loading mass rates of chemical classes were estimated based on crop irrigation regimes and they ranged from 0.8 to 121.3 g ha(-1) per crop cycle. These values were contrasted with those obtained for other water sources from countries where crop irrigation is commonly practiced. Finally, crops grown under these irrigation regimes, namely alfalfa and apple, were analyzed and 5 anthropogenic compounds were identified and quantitated, whose concentrations ranged from 13.9 to 532 ng g(-1) (fresh weight). (c) 2010 Elsevier Ltd. All rights reserved.
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