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Terrestrial and Aquatic Ecology

Graduate Student Theses, Dissertations, & Professional Papers

2014

Mercury

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Disturbed Waters – A Montana Chemist Searches For The Source Of A Persistent Poison, Kindra Mcquillan Jan 2014

Disturbed Waters – A Montana Chemist Searches For The Source Of A Persistent Poison, Kindra Mcquillan

Graduate Student Theses, Dissertations, & Professional Papers

In December 2008, when Montana's great Clark Fork River tested its historic banks for the first time in 100 years, a crowd of hundreds gathered to watch the removal of Milltown Dam at the confluence of the river with the Big Blackfoot. After a century of pollution from Butte's copper mines, the river was undergoing the nation's largest­yet restoration project, the Upper Clark Fork River Superfund Complex.

But in a windowless laboratory a mile away, University of Montana chemist Heiko Langner had troubling news. Toxic methylmercury flowed through the river at concentrations of concern, undetected and undermining the project. It …