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§ 51.916 What are the requirements for an Ozone Transport Region under the 8-hour NAAQS?
(a) In General. Sections 176A and 184 of the Act apply for purposes of the 8-hour NAAQS.
(b) RACT Requirements for Certain Portions of an Ozone Transport Region.
(1) The State shall submit a SIP revision that meets the RACT requirements of section 184 of the Act for each area that is located in an ozone transport region and that is—