The anthrax cleanup at the Longworth House Office Building has been completed, but it will take about a week to renovate the offices to make the sure the building is habitable, said Capitol Hill ...

The state Department of Ecology invites the public to comment through 11:59 p.m., Feb. 19, on the proposed Interim Action Order for the cleanup of the Cosmo Specialty Fibers site.

Researchers say chlorine in combination with ultraviolet light works to degrade deadly toxins created by harmful algae blooms in drinking water. Treatment plants use a combination of tools to keep ...

Researchers have studied how combinations of different environmental factors affect the chlorination of organic matter in soils. The results show that the supply of fresh organic compounds, which ...