radioactive

Another delay at Hanford nuclear reservation's plant due another spread of radioactive contamination, brought demolition to a still standing.

RICHLAND, Wash. (AP) — State health officials say radioactive plutonium and americium have been found in air samples collected where workers enter the secure area of the Hanford nuclear reservation in southeastern Washington. The Tri-City Herald reported Tuesday that the air samples were collected by the state Department of Health on June 8 at the Rattlesnake Barricade just off of public Highway 2

RICHLAND  (AP) — Radioactive contamination found on a piece of equipment on the Hanford Nuclear Reservation was not the result of a leak in an underground nuclear waste storage tank. The U.S. Department of Energy said Wednesday that an analysis has ruled out that the contamination came from a leak within double-walled tank AZ-101...

RICHLAND, Wash. (AP) — The federal Department of Energy says there is a slow leak in the oldest double-shell waste tank at the Hanford nuclear reservation that's allowing highly radioactive and hazardous waste to leak into the space between the inner and outer shells...