WAC 296-52-68055. Vehicle fire protection

(1) Fire extinguishers. (a) Driver training. The driver must be trained to use the fire extinguishers on the vehicle; (b) Equipment specifications. Vehicles used for transporting explosive materials must be equipped with fire extinguishers according to the gross vehicle weight: (i) Less than 14,000 pounds: A minimum of two multipurpose dry-chemical extinguishers having a combined capacity of at least 4-A:20-B:C; (ii) 14,000 pounds or greater: A minimum of two multipurpose drychemical extinguishers having a combined capacity of at least 4-A:70-B:C. (c) Laboratory approval. Only fire extinguishers approved by a nationally recognized testing laboratory can be used on vehicles carrying explosives; (d) Condition and location. Fire extinguishers must be filled, ready for immediate use, and easily reached; (e) Inspection. A competent person must inspect fire extinguishers periodically. You must comply with the requirements of WAC 296-800-30020 , Inspect and test all portable fire extinguishers. (2) Vehicle inspection. Any motor vehicle used for transporting explosives must have a safety inspection. The inspection must verify that: (a) Fire extinguishers are filled and in working order; (b) All electrical wiring is protected and securely fastened to prevent short circuiting; (c) Chassis, motor, pan, and underside of body are reasonably clean and free of excess oil and grease; (d) Fuel tank and feedline are secure and have no leaks; (e) Tires are checked for proper inflation and defects; (f) Brakes, lights, horn, windshield wipers, and steering apparatus are functioning properly; (g) The vehicle is in proper condition in every other respect and acceptable for handling explosives. (3) Vehicle repair/servicing. Motor vehicles or conveyances carrying explosives, blasting agents, or blasting supplies cannot be repaired or serviced inside a garage or shop when carrying explosive material.