Article: Dentists filtering out mercury; But nearly one-fifth miss MMSD deadline

Dentists throughout Wisconsin are being told they must end routine flushing of mercury to sewage treatment plants, where the toxic metal is released to the environment.

Removing silver-colored fillings from patients' mouths, and placing new silver fillings in, are ongoing and significant sources of mercury to sewers, say federal and state environmental regulators. They are curtailing discharges of the metal as part of a strategy to reduce both contamination of fish in lakes and rivers, and the risk of ill health effects to the people who eat those fish.

Unless there is a large industrial source in a community, about 50% of the mercury in wastewater flowing to sewage treatment plants comes ...

Related newspaper, magazine, and journal articles:

Newsweek Harper's Magazine The Washington Post Chicago Tribune Crain's Chicago Business PRNewswire Pediatric News The Nation Advertising Age The Economist (US) A FREE trial gives you access to over 80 million articles! Access over 6,500 publications with a FREE trial!