An operational permit is required for the storage, use or handling at normal temperature and pressure (NTP) of compressed gases in excess of the amounts listed in Table 105.6.8.
Exception: Vehicles equipped for and using compressed gas as a fuel for propelling the vehicle.
|TYPE OF GAS||AMOUNT |
(cubic feet at NTP)
|Flammable (except cryogenic fluids and liquefied petroleum gases)||200|
|Highly toxic||Any Amount|
|Inert and simple asphyxiant||6,000|
|Oxidizing (including oxygen)||504|
|For SI: 1 cubic foot = 0.02832 m3.|