For more information you may contact the Client Services and Permissions Branch by phone, Monday to Friday (8:30 a.m. to 5:00 p.m.) at 416-314-8001
(Toll-free: 1-800-461-6290) or by email at

Guides and forms

Use the following guides, forms, tools and resources to help you meet the requirements of Ontario Regulation 1/17 – Registrations Under Part II.2 of the Act – Activities Requiring Assessment of Air Emissions.


Air contaminants



You can prepare your Odour Control Reports (OCRs) using the sample documents. You’ll learn how to complete a report and you’ll also find sector-specific reviews of commonly used technologies.