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

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§478. Skid and Trap Tanks, and Containers on Transportation and Bulk Delivery Vehicles.

(a) Unless installed in compliance with Section 477(a), skid and trap tanks shall not be used at any location for more than 180 days without written permission from the Division.

(b) Transportation tanks, or other tanks mounted on wheels, shall not be used in lieu of storage tanks or skid tanks without written permission from the Division. Such permission shall be granted for temporary use only and not to exceed 180 days.

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


1. Amendment filed 12-8-72 as procedural and organizational; effective upon filing (Register 72, No. 50).

2. Amendment filed 11-7-75; effective thirtieth day thereafter (Register 75, No. 45).

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

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