A hazardous materials license, as specified in Section 4-6-210, shall be required to generate or compress oxygen or hydrogen in any form of generator, holder, container or associated apparatus.
(Prior code § 90-22; Amend Coun. J. 11-30-88, p. 19547; Amend Coun. J. 2-7-96, p. 15616; Amend Coun. J. 6-6-12, p. 28356, § 37)