After fire crews cleared a hazmat in Menlo Park, investigators are now looking into why someone in a parked pickup truck was using a chemical to refine gold.
Several businesses around an AC Transit refueling station in Emeryville were evacuated Friday morning after a hydrogen tank at the facility caught fire and began leaking.
The St. James Park post office in downtown San Jose was reopened Tuesday after an evacuation prompted by a mystery powder in a package that sickened three employees.
Authorities have shut down an Interstate Highway 280 on-ramp near Portola Valley this morning as a hazardous materials team examines two mysterious containers found there Monday morning.
An explosion and fire at a commercial research laboratory in Menlo Park late Friday afternoon left at least one person dead and two others injured, fire officials said.
A shelter-in-place order was lifted late Thursday morning for a Santa Rosa neighborhood where a fire burned a pile of debris that included a leaking gas cylinder, officials said.
Residents of a Redwood City apartment building were evacuated Sunday night because of a chemical release related to an apparent suicide, police said.
State Route 237 in San Jose, the site of a toppled-over tanker truck that had been carrying liquid nitrogen has been cleared.
An 18-wheel tanker truck carrying liquid nitrogen toppled over, significantly injuring the driver and blocking state Highway 237 in San Jose on Saturday night.
People with respiratory problems such as asthma or emphysema were advised Friday to avoid the immediate vicinity of the Conoco Phillips Refinery while it carried out a flaring operation.