StacksVerified U.S. regulatory reference

40 CFR §52.2077

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)[Reserved]
  2. (b)Disapprovals.
    1. (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. (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. (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. (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. (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. (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. (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.