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Human Exposure

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USGS scientists collected water-quality samples for two national-scale reconnaissance studies on wastewater contaminants

Emerging Contaminants Targeted in a Reconnaissance of Ground Water and Untreated Drinking-Water Sources

Two national-scale reconnaissance studies recently conducted by the U.S. Geological Survey (USGS) were the first to collect baseline information on the environmental occurrence of pharmaceuticals, personal-care products, detergents, flame retardants, naturally occurring sterols, and other organic contaminants in ground water and untreated sources of drinking water in the United States. These...
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Ecosystems Mission Area, Contaminant Biology, Environmental Health Program, Toxic Substances Hydrology
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Emerging Contaminants Targeted in a Reconnaissance of Ground Water and Untreated Drinking-Water Sources

Two national-scale reconnaissance studies recently conducted by the U.S. Geological Survey (USGS) were the first to collect baseline information on the environmental occurrence of pharmaceuticals, personal-care products, detergents, flame retardants, naturally occurring sterols, and other organic contaminants in ground water and untreated sources of drinking water in the United States. These...
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