Atmospheric vaporizers employing heat from the ground or surrounding air shall be installed as follows.
- (1) Such vaporizers shall be buried underground or installed inside of building provided that in case where vaporizer is installed inside of building the vaporizer capacity shall not exceed one quart.
- (2) Vaporizers of less than one quart capacity heated by the ground or surrounding air need not be equipped with safety relief valve provided such equipment is approved by the Railroad Commission.
- (3) All vaporizers shall be protected against tampering or mechanical injury.
- (4) No gas in liquid phase shall be piped into any building for fuel purposes, except buildings devoted exclusively to gas manufacturing and distribution operations or buildings housing internal combustion engines.
Source Note:The provisions of this §9.202 adopted to be effective January 1, 1976.