Commercial vehicles must use either vapor withdrawal or liquid withdrawal systems.
Wash. Admin. Code § 296-307-43513
97-09-013, recodified as § 296-307-43513, 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-43513, filed 10/31/96, effective 12/1/96.