WAC 173-180-240. Communications

(1) The facility person in charge (PIC) must ensure continuous two-way voice communication is usable and available in all weather conditions and all phases of the transfer operation between the PICs. (2) The facility PIC must ensure at least the following are available for use during the oil transfer operation: (a) Two portable communication devices that are intrinsically safe; and (b) An air horn for emergency signals. (3) The PICs must ensure personnel involved in the oil transfer operation know and use English phrases and hand signals to communicate the following instructions during the oil transfer: "Stop," "hold," "wait," "fast," "slow," and "finish."