| Aboveground Petroleum Storage Tank Program (AST)
Certified
Unified Program Agency (CUPA)
Owners or operators of aboveground petroleum storage tanks are required to file a storage statement and implement spill prevention measures according to the Aboveground Petroleum Storage Act of 1990.
Facilities with
a single tank or cumulative aboveground storage capacities of 1,320
gallons or greater of petroleum are covered by this law.
Petroleum means crude oil or any fraction that is liquid at 60 degrees Fahrenheit at normal atmospheric pressure. This includes petroleum-based substances comprised of a complex blend of hydrocarbons, such as gasoline, diesel, jet fuels, residual fuel oils, lubricants, some petroleum solvents, and used oils. Petroleum does not include liquid propane gas (LPG).
Spill Prevention Control and Countermeasure Plan (SPCC)
An SPCC plan must be prepared in accordance with the oil pollution prevention guidelines in the Federal Code of Regulations (40 CFR, 112). This plan must include procedures, methods, and equipment at the facility to prevent discharges of petroleum from reaching navigable waters. An SPCC plan must be certified by a Registered Professional Engineer and a complete copy must be maintained on site.
Facilities with
a single tank or cumulative aboveground storage capacities of 1,320
gallons or greater of petroleum are required to prepare an SPCC
plan. Exceptions to this rule include farms, nurseries, logging and construction sites if these businesses have a total storage capacity of less than 100,000 gallons or if the individual storage tanks are less than 20,000 gallons.
Inspections
The California Regional Water Quality Control Board may conduct periodic facility inspections to verify compliance with the SPCC plan. CUPA staff will verify that an SPCC plan is in place for each facility and refer the findings to the Regional Water Quality Control Board.
More information on aboveground petroleum storage tanks may be obtained by contacting a Specialist with the CUPA Program at (714)
433-6000, or by contacting one of the following:
State Water Resources Control Board
Division of Clean Water Programs
P.O. Box 944212
Sacramento, CA 94244-2120
(916) 227-4364
Regional Water Quality Control Board-San Diego
9174 Sky Park Court, Suite 100
San Diego, CA 92123-4353
Regional Water Quality Control Board-Santa Ana
3737 Main Street, Ste 500
Riverside, CA 92501-3339
(909) 782-4130
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