More Waters Test Positive for Drugs

By Janet Raloff, 15:47 PM April 15, 2008

Over the past decade, European chemists have been documenting widespread pharmaceutical contamination of their lakes, streams, and groundwater. In San Francisco this week, U.S. and Canadian scientists offered preliminary confirmation that traces of drugs, excreted by people and livestock, similarly pollute American waters.

Water pollution by drugs "is a newly emerging issue," observes Christian G. Daughton, a symposium co-organizer and chief of environmental chemistry at the Environmental Pro...

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