Citation

81 FR 53098

Multiple canonical documents share this first-page citation.

Approval and Promulgation of Implementation Plans; Oklahoma; Disapproval of Prevention of Significant Deterioration for Particulate Matter Less Than 2.5 Micrometers-Significant Impact Levels and Significant Monitoring Concentration Thursday, August 11, 2016 81 FR 53098
Technical Correction to the National Ambient Air Quality Standards for Particulate Matter Thursday, August 11, 2016 81 FR 53097
Federal Register Vol. 81, No.155, August 11, 2016 Thursday, August 11, 2016 81 FR 53098