(1) This section applies to a pollutant mentioned in the national emission guidelines, table 1 or table 2 that is emitted into the air through a chimney.
(2) The pollutant is taken to cause environmental harm if the amount of the pollutant emitted into the air from a source stated in the guidelines for the pollutant is more than the standard stated in the guidelines for the source.
(3) Subsection (2) does not apply if the pollutant is emitted in the circumstances mentioned in schedule 1, part 1.1 (Chimney emissions), column 2 in accordance with the conditions (if any) mentioned in schedule 1, part 1.1, column 3 for the activity.