3 Minute Interview: Rolf Halden

Published August 21, 2008 4:00am ET



Rolf Halden, an adjunct associate professor at the Johns Hopkins Bloomberg School of Public Health and associate professor at Arizona State University, has done extensive research into contaminants in drinking water.

He spoke with The Examiner about pharmaceuticals and personal care products, such as cosmetics and vitamins, in the environment.

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