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Subchapter 7. General Industry Safety Orders
Group 20. Flammable Liquids, Gases and Vapors
Article 145. Tank Storage
§5587. Pressure Vessels.
(a) The normal operating pressure of the vessel shall not exceed the design pressure of the vessel.
(b) Storage tanks designed to withstand pressures above 15 psig shall meet the requirements of the Unfired Pressure Vessel Safety Orders.
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