Contra Costa Health on Tuesday responded to a Martinez Refining Company report that chemicals and combustion byproducts from ...

Ten days after the refinery fire in Martinez, the Contra Costa Health says that cancer-causing chemicals were among the chemicals involved.

An explosive fire that ignited at a Martinez oil refinery and triggered shelter-in-place warnings spewed cancer-causing ...

WASHINGTON (AP) — Elon Musk has long railed against the U.S. government, saying a crushing number of federal investigations ...

Contra Costa County says a range of harmful chemicals were released, including some that pose risks for cancer and ...

Contra Costa County Health Officer Dr. Ori Tzvieli on Tuesday revealed how fortunate the Martinez community was on Feb. 1, ...