All portable cylinders used for storing and shipping compressed gases must be constructed and maintained according to DOT regulations.
Wash. Admin. Code § 296-307-48003
97-09-013, recodified as § 296-307-48003, 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-48003, filed 10/31/96, effective 12/1/96.