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Title 40

Displaying title 40, up to date as of 6/08/2026. Title 40 was last amended 6/08/2026.
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§ 52.2077 Identification of plan—conditional approvals and disapprovals.

(a) [Reserved]

(b) Disapprovals. (1) 1997 Ozone NAAQS: The 110(a)(2) infrastructure SIP submitted on December 14, 2007, is disapproved for Clean Air Act element 110(a)(2)(H). A Federal Implantation Plan is already in place at 40 CFR 52.2080.

(2) 2008 Ozone NAAQS: The 110(a)(2) infrastructure SIP submitted on January 2, 2013, is disapproved for Clean Air Act element 110(a)(2)(H). A Federal Implantation Plan is already in place at 40 CFR 52.2080.

(3) 2008 Lead NAAQS: The 110(a)(2) infrastructure SIP submitted on October 26, 2011, is disapproved for Clean Air Act element 110(a)(2)(H). A Federal Implantation Plan is already in place at 40 CFR 52.2080.

(4) 2010 Nitrogen Dioxide NAAQS: The 110(a)(2) infrastructure SIP submitted on January 2, 2013, is disapproved for Clean Air Act element 110(a)(2)(H). A Federal Implantation Plan is already in place at 40 CFR 52.2080.

(5) 1997 PM2.5 NAAQS: The 110(a)(2) infrastructure SIP submitted on September 10, 2008, is disapproved for Clean Air Act element 110(a)(2)(H). A Federal Implantation Plan is already in place at 40 CFR 52.2080.

(6) 2006 PM2.5 NAAQS: The 110(a)(2) infrastructure SIP submitted on November 6, 2009, is disapproved for Clean Air Act element 110(a)(2)(H). A Federal Implantation Plan is already in place at 40 CFR 52.2080.

(7) 2012 PM2.5 NAAQS: The 110(a)(2) infrastructure SIP submitted on December 6, 2017, is disapproved for Clean Air Act element 110(a)(2)(H). A Federal Implantation Plan is already in place at § 52.2080.

[81 FR 23179, Apr. 20, 2016; 84 FR 52366, Oct. 2, 2019; 87 FR 32320, May 31, 2022]