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

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§484. Vaporizer Installation.

(a) Surge tanks, gas-air mix tanks, etc., containing vapor only, shall be located at least 3 feet from important buildings and property lines. Such tanks operating at pressures exceeding 20 psi shall be located not less than 10 feet from any building opening, whereas such tanks exceeding 501 gallons shall be located not less than 25 feet from any building opening.

(b) The use of direct-fired container heaters is prohibited.

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 filed 4-1-77; effective thirtieth day thereafter (Register 77, No. 14).

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

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