As a Pollutant
Because humans and animals often do not fully metabolize pharmaceuticals in their body, they can excrete drugs or their breakdown products, which may the enter the environment.
In Sewage Sludge
4-Epianhydrotetracycline has been found in sewage sludge. In the Targeted National Sewage Sludge Survey, a 2009 test of 84 samples of sewage sludge from around the U.S., the EPA found 4-Epianhydrotetracycline in 31 samples (37%) in concentrations ranging from 126 to 2,160 parts per billion. There are no federal regulations governing how much of this drug may be present in sewage sludge applied to land as fertilizer.
Articles and resources
Related SourceWatch articles
- O.A.H. Jones, N. Voulvoulis, and J.N. Lester, Human Pharmaceuticals in Wastewater Treatment Processes, Environmental Science and Technology, 2005.
- Targeted National Sewage Sludge Survey Report, US EPA website, Accessed August 28, 2010.
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