- (a) The owner or operator of a cargo truck that is subject to this part shall operate the stage I system to recover at least 95% of all gasoline vapors released from the gasoline tank to which the fuel is being delivered during unloading operations at the facility or to be at least as efficient as the manufacturer’s design efficiency, whichever is higher. This standard shall apply to each cargo truck during each applicable gasoline delivery.
(b) During loading of gasoline at a bulk gasoline loading terminal and during loading or unloading of gasoline at a bulk gasoline plant, the owner or operator of the cargo truck shall verify that the cargo truck has a back pressure that does not exceed:
- (1) A pressure setting of 18.0 inches water column pressure; and
- (2) A vacuum setting of 5.9 inches water column vacuum.
- (c) During unloading of gasoline at a gasoline dispensing facility, the owner or operator of the cargo truck shall verify that the cargo truck has a back pressure that does not exceed a vacuum setting of 5.9 inches water column vacuum.
- (d) If a cargo truck does not meet the requirements specified in (b) or (c), above, as applicable, the owner or operator of the cargo truck shall repair and retest the truck within 15 days.
- (e) The owner or operator of a cargo truck shall securely fasten all hatches on the truck except when access is needed to take a measurement of gasoline level or perform maintenance activities.
- (f) No person shall unload gasoline from any cargo truck to any gasoline storage tank at any gasoline dispensing facility that is subject to Env-Or 504 unless the owner or operator of the facility has installed and is maintaining as operational a certified stage I vapor recovery system.
- (g) No person shall deliberately, recklessly, or negligently vent any vapors captured by the stage I system serving a cargo truck to the atmosphere.
- (h) No person shall deliberately, recklessly, or negligently mishandle gasoline being loaded to or unloaded from a cargo truck such that the gasoline could evaporate into the atmosphere. For purposes of this section, mishandling includes but is not limited to spilling, discarding into a sewer or storm drain, or storing in an open container.
Source. (See Revision Note #1 and Revision Note #2 at chapter heading for Env-Or 500) #10229, eff 11-17-12; ss by #13458, eff 10-7-23