§ 93.161 Conformity evaluation for Federal installations with facility-wide emission budgets.

(a) The State, local or tribal agency responsible for implementing and enforcing the SIP or TIP can in cooperation with Federal agencies or third parties authorized by the agency that operate installations subject to Federal oversight develop and adopt a facility-wide emission budget to be used for demonstrating conformity under § 93.158(a)(1). The facility-wide budget must meet the following criteria:

(1) Be for a set time period;

(2) Cover the pollutants or precursors of the pollutants for which the area is designated nonattainment or maintenance;