Latest updates to Ontario's Air Dispersion Models

On October 1, 2018, the MOECP announced they will not be adopting the updated versions of the AERMOD/AERMET or ASHRAE air dispersion models in April 2019.

Accordingly, the approved versions of these models under O.Reg.419/05, adopted on April 4, 2018 will remain unchanged.

For more information please refer to EBR Registry Number 013-2472.