Multi-Sector Air Pollutants Regulations

Marginal note:Applicable units — NO_x emission intensity limit

53 The applicable NO_x emission intensity limit for an engine referred to in section 54, 57 or 58 is the limit that is expressed in

• (a) the same units, ppmvd_15% or g/kWh, that were used to determine the NO_x emission intensity of the engine for the most recent performance test conducted under section 77 or 78; or

• (b) ppmvd_15%, in the absence of a prior performance test or if the units that were used to make the determination for that most recent performance test are not known.