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SUNDAY, NOVEMBER 8, 2009
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Pharmaceutical residues in the drinking water supply: modeling residue concentrations in surface waters of drugs prescribed in the United States.

Article from: Puerto Rico Health Sciences Journal Article date: September 1, 2008 Author: Guerrero-Preston, Rafael; Brandt-Rauf, Paul

Pharmaceutical compounds prescribed for human and veterinary treatment are mostly organic compounds designed to persist in organisms, which exert their impact on the environment at relatively low (ug/L - ng/L) concentrations (1-4). Most pharmaceuticals used by humans are introduced directly or indirectly into wastewater after their use, excreted with feces and urine unchanged and/or as metabolites. The regulatory bodies that oversee their production have mainly overlooked their environmental impact at low concentrations (5).

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