Nitrogen oxides Sample Clauses
Nitrogen oxides. The concentration of nitric acid or oxides of nitrogen or a mixture thereof in the effluent gas from each boiler at each prescribed NOx measurement point in respect of that boiler, before admixture with air, smoke or other gases, shall not exceed the equivalent of 2.8 grams of nitrogen dioxide per cubic metre (at 0ºC and 101.325 kPa when corrected to a reference level of 7% by volume of oxygen).
Nitrogen oxides