Polychlorinated biphenyls, or PCBs, are man-made chemicals that have been recognized for the last 30 years to be toxic and potentially carcinogenic. They can affect the immune system, reproductive ...

MONROE, Wash — At first, teachers at Sky Valley Education Center simply evacuated students and used fans to clear the air when the fluorescent lights caught fire or smoked with noxious fumes. When ...

The purpose of this procedure is to provide guidance for the disposal of electrical light ballasts that are removed from service during routine maintenance at various North and South campus locations.

Millions of fluorescent light ballasts containing PCBs probably remain in schools and day care centers across the U.S. four decades after the chemicals were banned over concerns that they could cause ...

MONROE, Wash. — At first, teachers at Sky Valley Education Center simply had students evacuate and used fans to clear the air when the fluorescent lights caught fire or smoked with noxious fumes. When ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. MONROE, Wash. — At first, teachers at Sky ...

In this Sept. 12, 2019, photo, Cynthia Yost, who used to teach at the Sky Valley Education Center in Monroe, Wash., poses for a photo in Mercer Island, Wash. Yost was among teachers who sent pieces of ...