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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.

Industrial Safety Ordinance (ISO)


County Ordinance Chapter 450-8 expands on the California Accidental Release Prevention (CalARP) Program for facilities meeting the following:

  • The facility is within an unincorporated area of the County
  • The facility is either a petroleum refinery or chemical plant
  • The facility is required to submit a Risk Management Plan (RMP) to the U.S. EPA and Contra Costa County Health Service (CCHS)
  • The facility has at least one Program 3 process

The seven facilities currently subject to the County's Industrial Safety Ordinance (ISO) include: Air Products (within the Shell Refinery), Air Products (within the Tesoro Refinery), ConocoPhillips Rodeo Refinery, Air Liquide-Rodeo Hydrogen Plant, General Chemical West: Bay Point Works, Shell Oil Martinez Refinery and Tesoro Golden Eagle Refinery. The City of Richmond has adopted an Industrial Safety Ordinance (Municipal Code Chapter 6.43, RISO) that is almost identical (except for the 2006 amendment) to the County's Industrial Safety Ordinance. The two facilities located in the City of Richmond that are subject to this ordinance include: Chevron Richmond Refinery and General Chemical West: Richmond Works.