§ 51.1117 Fee programs for Severe and Extreme nonattainment areas that fail to attain.
For each area classified as Severe or Extreme for the 2008 ozone NAAQS, the state shall submit a SIP revision within 10 years of the effective date of designation that meets the requirements of CAA section 185.
[80 FR 12314, Mar. 6, 2015]