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Subchapter 1. Unfired Pressure Vessel Safety Orders
Article 5. LP-Gas Systems.

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§472. Charging LP-Gas Containers.

(a) Air pressure shall not be used to displace LP-Gas during the transfer operation.

(b) All filling connections shall be kept effectively plugged or capped when not in use. These caps or plugs shall be so designed that they will vent to the atmosphere while at least 3 full threads are engaged.

(c) An accessible 24-hour communication service shall be required for self-service dispenser systems.

Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code; and Section 13241, Health and Safety Code.


1. Amendment of subsection (e)(1)(D) filed 3-15-77; effective thirtieth day thereafter. (Register 77. No. 12). For prior history see Register 78, No. 51.

2. Amendment of subsection (e)(3) filed 5-6-77; effective thirtieth day thereafter (Register 77, No. 19).

3. Amendment of section heading and section, including repealer of table 472, and new Note filed 12-4-96; operative 1-3-97 (Register 96, No. 49).

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