California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 7 - General Industry Safety Orders
Group 20 - Flammable Liquids, Gases and Vapors
Article 145 - Tank Storage
Section 5585 - Atmospheric Tanks
Universal Citation: 8 CA Code of Regs 5585
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
(a) Atmospheric tanks shall be built in accordance with approved standards of design. Atmospheric tanks may be built in accordance with:
(1) Underwriters' Laboratories, Inc.,
Standard For Steel Aboveground Tanks for Flammable and Combustible Liquids
UL142-1972; Standard for Steel Underground Tanks for Flammable and Combustible
Liquids, UL58-1972; or Standard for Steel Inside Tanks for Oil Burner Fuel,
UL80-1968.
(2) American Petroleum
Institute Standards No. 12A, Specification for Oil Storage Tanks with Riveted
Shells, Seventh Edition, September 1951 or No. 650, Welded Steel Tanks for Oil
Storage, Fifth Edition 1973.
(3)
American Petroleum Institute Standards No. 12B, Specification for Bolted
Production Tanks, Eleventh Edition, May, 1958 and Supplement I, April, 1962;
No. 12D, Specification For Large Welded Production Tanks, Seventh Edition,
August, 1957 and Supplement I, March, 1965; or No. 12F, Specification for Small
Welded Production Tanks, Sixth Edition, March, 1968. Tanks built in accordance
with these standards shall be used only as production tanks for storage of
crude petroleum in oil-producing areas.
(b) Low pressure tanks and pressure vessels may be used as atmospheric tanks.
(c) Atmospheric tanks shall not be used for the storage of a flammable or combustible liquid at a temperature at or above its boiling point.
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