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.