Accidental Release and Prevention Program

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The intent of the program is to prevent the accidental release of regulated flammable and toxic materials that could cause harm to the public or the environment, and to ensure there are proper mitigation measures in place should a release occur.

There are approximately 350 hazardous materials regulated under this law. The regulated materials can be either acutely toxic (chlorine, ammonia, sulfur dioxide, and hydrogen fluoride) or are highly flammable (propane, butane, hydrogen and acetylene). A facility that utilizes over a specified threshold quantity of one of these materials must prepare an Accidental Release Prevention Program. Threshold quantities range from 1 pound to 20,000 pounds depending on the material.

The main elements of a CalARP program include: accident history, consequence analysis, prevention program and emergency response element.