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Breaking News

Health Advisory Lifted for Pittsburg and Antioch

Last updated: 5:39 a.m. Friday, March 27, 2015

The health advisory for Pittsburg and Antioch has been lifted. The advisory was issued for people with respiratory sensitivities this morning after a chemical release at Dow Chemical in Pittsburg. Contra Costa HazMat staff are investigating the incident. More information will be posted as it becomes available.

Media Advisory

Refinery Accident

For Release November 9, 2005

Archived. This is an older press release from 2005 and may not contain the latest information. Please view our current press releases for 2015 items.


Contra Costa County Health Services' Hazardous Materials Program has issued a summary of the vapor cloud release at the Shell Martinez Refinery last night in which one worker was injured. There was no expected health impact related to the incident. Some Martinez residents near the refinery reported oil droplets on their vehicles.


The incident occurred at approximately 8:30 p.m. on Tuesday, November 8. The vapor cloud release was stopped within an hour. A written report will be submitted by Shell to the Hazardous Materials Program within 72 hours.


The Shell Martinez Oil Refinery is located at 3485 Pacheco Blvd in Martinez.


The summary is available online at or by calling 925-646-2286.*

* It is being transmitted to the media with this advisory

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Press Contact
  • Randy Sawyer
  • 925-646-2286