(1) The owner or operator of the proposed source or modification shall demonstrate that allowable emission increases from the proposed source or modification, in conjunction with all other applicable emissions increases or reductions (including secondary emissions), would not cause or contribute to air pollution in violation of any national ambient air quality standard in any air quality control region or any applicable maximum allowable increase over the baseline concentration in any area.

(2) For purposes of PM-2.5, the demonstration required in (1) is made if the emissions increase from the new stationary source alone or from the modification alone would cause in all areas, air quality impacts less than the following amounts: