Cal. Health & Safety Code § 40720
(a) Each marine terminal in the state shall operate in a manner that does not cause trucks to idle or queue for more than 30 minutes while waiting to enter the gate into the marine terminal.
(5) Any owner or operator of a marine terminal or port, or any agent thereof, who takes any action intended to avoid or circumvent the requirements of this subdivision or to avoid or circumvent the reduction of emissions of particulate matter from idling or queuing trucks is subject to a seven hundred fifty dollar ($750) fine per vehicle per violation, including, but not limited to, either of the following actions:
(b)
(f) For the purposes of this section, “marine terminal” means a facility that meets all of the following criteria:
(3) Contains one or more of the following:
(g) Notwithstanding paragraph (1) of subdivision (a), if a marine terminal implements a scheduling or appointment system for trucks to enter the terminal, the terminal shall be subject to a fine pursuant to subdivision (a) only for a truck that makes use of the system and that idles or queues for more than 30 minutes while waiting to enter the gate into the terminal, commencing from the start of the appointment or the time the truck arrives, whichever is later. The scheduling or appointment system shall meet all of the following requirements: