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

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, ...

One bill that would have required oil companies to help pay for damages from climate-driven disasters failed and another that ...

As Contra Costa County Fire and Martinez Refining Company investigators sift through the damage, refinery workers have ...

There has been “recent intermittent flaring” at Chevron’s Richmond refinery, but the flaring does not represent a threat to ...

A leak at Martinez Refining Company triggered an explosion, causing a fire and minor injuries to three personnel.

The weekend fire at the Martinez Refining Co.’s facility in Contra Costa County was caused by a leak of hydrocarbon material, company officials said Sunday night. The blaze broke out around 1:47 p.m.

According to officials with the Contra Costa County Fire Protection District, a fire broke out at the Martinez Refinery ...

There has been "recent intermittent flaring" at Chevron's Richmond refinery, but the flaring does not represent a threat to ...

At around 9:15 p.m., the Contra Costa Health Services department removed a shelter-in-place for Martinez and other cities ...