Challis city officials are trying to determine if they can dredge around Blue Mountain Pond before April 1 to check the condition of a fish screen in the pond. The work must occur before the April ...

Tailings Dewatering. The storage of tailings in sludge ponds is increasingly being replaced by the storage of dewatered tailings. Mining companies store the dewatered sludge on the ground ...

in which he brought together established facts and results contained in a great number of scattered papers dealing with the subject of the activated sludge process.

The 69-year-old retired veteran says he can’t after tests found dangerous contaminants in it that he says came from the next-door farm that spread sewage sludge — the byproduct of human waste — for ...

Over the past five months, Spectrum News investigated the use of sewage sludge — also known as biosolids — on farmland and efforts to ban it because it can be contaminated with cancer-causing “forever ...

Traffic crowds Highway 240 nearly every morning outside the Hanford Site’s sprawling, sage-studded industrial complex. This site churned out plutonium for nuclear weapons during World War II and ...