Major modification
Major modification means any physical change in or change in the method of operation of a major stationary source that would result in:
(a) A significant emissions increase of a regulated NSR pollutant (as defined in paragraph II.A.31 of this Ruling); and
(b) A significant net emissions increase of that pollutant from the major stationary source.
(ii) Any significant emissions increase (as defined in paragraph II.A.23 of this Ruling) from any emissions units or net emissions increase (as defined in paragraph II.A.6 of this Ruling) at a major stationary source that is significant for volatile organic compounds shall be considered significant for ozone.