Section 264.10 - Applicability(a) The regulations in this subpart apply to owners and operators of all hazardous waste facilities, except as provided in § 264.1 and in paragraph (b) of this section.(b) Section 264.18(b) applies only to facilities subject to regulation under subparts I through O and subpart X of this part.46 FR 2848, Jan. 12, 1981, as amended at 52 FR 46963, Dec. 10, 1987