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    Complyrpedia is the knowledge base for businesses that are required to comply with California environmental regulations

Aboveground Petroleum Storage

California APSA Compliance


The California Above Ground Petroleum Storage Act (APSA) applies to facilities with greater than 1320 gallons of petroleum stored in containers 55 gallons or larger. Large petroleum tank facilities, facilities with large stationary diesel powered generators, vehicle repair shops, and vehicle fueling facilities that store fuel in above ground tanks are typically subject to APSA. Above ground petroleum storage has been regulated under the Clean Water Act of 1973; under 40 CRF Part 112. In 1989, California adopted the the language of 40 CFR part 112 as the Aboveground Petroleum Storage Act. Originally, the UPAs (Unified Program Agencies) and the State Water Resource Control Board (SWRCB) were tasked with enforcement and administration. However, budget constraints in 2002-2003 terminated joint enforcement activities. In 2008, AB 1180 transferred APSA enforcement and administration to the UPAs. In 2012, California Assembly Bill 1566 transferred oversight responsibility to the State Fire Marshal. Under this new arrangement, enforcement and administration are still conducted by local UPAs. 

Regulatory Agencies

Conditions for inclusion of the program

If a facility has  more than 1320 gallons of above ground petroleum storage in containers with shell capacities of 55 gallons or larger, it is subject to California APSA compliance.

Required tasks

What to expect during an inspection

The local Unified Program Agency conducts APSA inspections, unless you are operating on Federal land. This is the same agency that inspects USTshazardous materials and hazardous wastes. An inspector will typically:
  • Physically inspect the facility to verify that all applicable tanks, prevention methods, and control measures match those listed in the SPCC.
  • Verify the following:
    • The physical condition of the tanks and containment structures.
    • Only qualified facilities utilize the Tiered SPCC option.
    • Inspections and maintenance are being conducted.
    • Monitoring system is operational and is being maintained.
    • Training is conducted annually.

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