Environmentalists have challenged the proposed construction of a plant that would process waste water from natural gas drilling in Pennsylvania’s booming Marcellus Shale field, an activist group said on Tuesday.

Clean Water Action, a nonprofit, said the plant would discharge drilling waste into the Monongahela River in southwest Pennsylvania without testing for most of the toxic chemicals that form part of the fluid.

via Penn. natgas water treatment plant challenged | Markets | Markets News | Reuters.