(1) Fuel may be used from the cargo tank of a truck while in transit, but not from cargo tanks on trailers or semitrailers. Fuel may be used from the cargo tanks to operate stationary engines if the wheels are securely blocked.
(2) Passenger-carrying vehicles must not be fueled while passengers are on board.
(3) Industrial trucks (including lift trucks) equipped with permanently mounted fuel containers must be charged outdoors. Charging equipment must meet the requirements of WAC 296-307-440
(4) LP-gas fueled industrial trucks must comply with the Standard for Type Designations, Areas of Use, Maintenance and Operation of Powered Industrial Trucks, NFPA 505-1969.
(5) Engines on vehicles must be shut down while fueling if the fueling operation involves venting to the atmosphere.
[Statutory Authority: RCW 49.17.040. 98-24-096, § 296-307-42503, filed 12/1/98, effective 3/1/99. 97-09-013, recodified as § 296-307-42503, filed 4/7/97, effective 4/7/97. Statutory Authority: RCW 49.17.040, [49.17.]050 and [49.17.]060. 96-22-048, § 296-306A-42503, filed 10/31/96, effective 12/1/96.]