89. Fuel burning equipment using fuel other than fuel referred to in Divisions III and IV of this Chapter must not emit nitrogen oxides into the atmosphere in excess of(1) the limits prescribed by the first paragraph of section 65, for fuel oil that has a nitrogen content exceeding 0.35% in the case of new equipment or in the third paragraph of that section for light fuel oil in the case of existing equipment installed or put into operation after 14 November 1979, according to the rated heat capacity of the equipment, if the fuel is exclusively in a liquid or gaseous state at the feed point; or
(2) the limit of 125 g of nitrogen oxide per gigajoule supplied by the fuels in the case of new equipment with a rated power greater than 15 MW and where the liquid and gaseous fuel input is at least 50% of the total heat input.