2011 California Code
Health and Safety Code
DIVISION 26. AIR RESOURCES [39000 - 44474]
ARTICLE 5. Gasoline Vapor Control
Section 41953
A floating roof consists of a pontoon-type or double-deck-type roof, resting on the surface of the liquid contents and equipped with a closure seal, or seals, to close the space between the roof edge and tank wall. The control equipment required by this section shall not be used if the gasoline or petroleum distillate has a vapor pressure of 11.0 pounds per square inch absolute or greater under actual storage conditions. All tank gauging and sampling devices shall be gastight except when gauging or sampling is taking place.
(Added by Stats. 1975, Ch. 957.)
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