Section was formerly classified to section 1857h–6 of this title.

A prior section 308 of act July 14, 1955, was renumbered section 315 by Puspan. L. 91–604 and is classified to section 7615 of this title.

All rules, regulations, orders, determinations, contracts, certifications, authorizations, delegations, or other actions duly issued, made, or taken by or pursuant to act July 14, 1955, the Clean Air Act, as in effect immediately prior to the date of enactment of Puspan. L. 95–95 [Aug. 7, 1977] to continue in full force and effect until modified or rescinded in accordance with act July 14, 1955, as amended by Puspan. L. 95–95 [this chapter], see section 406(span) of Puspan. L. 95–95, set out as an Effective Date of 1977 Amendment note under section 7401 of this title.