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Medicineworld.org: Pharmaceutical Compounds Found in Fresh Water

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Pharmaceutical Compounds Found in Fresh Water

Pharmaceutical Compounds Found in Fresh Water
As per a research studyin the May/June 2007 issue of the journal Ground Water, pharmaceuticals are being found in septic tanks and, consequentially, ground water due to incomplete human metabolism and excretion into the waste stream or by disposal of unused medications in the toilet or down the sink.

This screening-level study investigated the occurrence of pharmaceuticals in areas receiving waste water from septic tanks located in sand and gravel deposits in Missoula, Montana.

A number of pharmaceutical and pharmaceutically-active compounds (e.g. caffeine) persist through the human body and are resistant to conventional waste water therapy practices. They are often detected in aquatic environments such as lakes, rivers and ground water, which can receive direct inputs of treated waste water.

"We don't know what toxicological effects these detectable concentrations of pharmaceuticals pose, eventhough typical concentrations in one liter of ground water are commonly much lower than a typical human therapeutic dose," says lead author Emily Godfrey.

While such low concentrations do not appear to pose a threat to human health, this research may help frame policy on the disposal of expired or unused compounds.


Posted by: Janet    Source




Did you know?
As per a research studyin the May/June 2007 issue of the journal Ground Water, pharmaceuticals are being found in septic tanks and, consequentially, ground water due to incomplete human metabolism and excretion into the waste stream or by disposal of unused medications in the toilet or down the sink.

Medicineworld.org: Pharmaceutical Compounds Found in Fresh Water

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