Any regulation of the Environmental Protection Agency under subchapter I which is inconsistent with this subchapter shall not be in effect after . Any advanced notice of proposed rulemaking, any proposed rule, and any regulation of the Environmental Protection Agency in effect before , which is consistent with the regulations required under shall remain in effect and may be used to meet the requirements of , except that any such regulation shall be enforced under this chapter.section 2643 of this titlesection 2643 of this titleOctober 22, 19861986-10-22October 22, 19861986-10-22