Fracking poses risk to water systems, research suggests: U.S. study

Fracking poses risk to water systems, research suggests: U.S. study by Teresa Smith, August 7, 2012, The Calgary Herald
The paper, which appears in the August 2012 issue of the international journal Risk Analysis, says “even in a best case scenario, an individual well would potentially release at least 200 m3 of contaminated fluids.” Doctoral student Daniel Rozell and Dr. Sheldon Reaven, a professor in the Department of Technology and Society at Stony Brook University’s School of Marine and Atmospheric Sciences, partnered on the work. In order to identify where regulators should focus their efforts, the study model identified five ways fracking could contaminate water supplies: transportation spills, well casing leaks, leaks through fractured rock, drilling site discharge, and wastewater disposal.

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