SONAIR Environmental Inc. is your expert environmental consultant, focusing on air, noise, waste, and water services. We can help you with your environmental compliance approvals (ECA), Environmental Activity and Sector Registry (EASR), Emission Summary and Dispersion Modelling Reports (ESDM) and more. SONAIR Environmental’s engineers have prepared countless environmental reports for businesses of all sizes from as small as woodworking shops to as large as multi-national manufacturing facilities.