Accidental Release Prevention (ARP) Permit - Issued Through Counties

Authorizes a business to have more than a threshold quantity of a regulated substance is regulated under the California Accidental Release Prevention (CalARP) Program.

Agency Type



This program is intended to prevent the catastrophic release of hazardous substances that could cause immediate harm to the public and the environment. Since chemicals regulated under the CalARP Program are a subset of hazardous materials, all businesses regulated under the CalARP Program must obtain and maintain a valid Hazardous Materials Certificate of Registration.


Please see the San Francisco Environmental Health Hazardous Materials & Waste Program webpage for more information.