The lawsuit alleges that six manufacturers and two retailers that sell fish oil pills failed to warn consumers that the products contained a cancer-causing chemical as required by Proposition 65.

To measure PCB contamination, scientists looked at animal tissue and sediment samples taken last year from the Columbia River. In some cases, PCB-laden oil was found on the crawfish exoskeletons, as ...

"Sure enough ... it was PCB oil," said Cynthia Yost, who was among teachers who sent pieces of carpet and classroom air filters to a lab. Tests found elevated levels of the toxic chemicals, used as ...