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

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§471. Control of Products in Tanks and Cylinders.
(a) No LP-Gas shall be transported or delivered into any vessel covered by these Orders until first odorized using a warning agent of such character that the gases are detectable, by a distinct odor, down to a concentration in air of not over one-fifth the lower limit of flammability.

Exception: When the LP-Gas is to be used exclusively in a process where the presence of an odorant would make the LP-Gas unfit for use in the process and for deliveries between refineries or between producing wells and refineries, a waiver may be obtained from the Division upon written request.

NOTE

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

HISTORY

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

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

3. Repealer and new section filed 1-30-2002; operative 3-1-2002 (Register 2002, No. 5).

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