Air Quality Bulletins

Lowering of SO2 Air Quality Standards On October 27, 2017, the MOECC announced its regulatory proposal to change the sulphur dioxide (SO2) air standards. The new standards would be phased-in over a five year period but the MOECC is considering whether to apply these...

2020 Final Phase-in of O. Reg. 419 for some facilities By February 1, 2020 the final phase-in of the new dispersion models and requirement for abidance with the new air quality standards will come into force for the majority of facilities in Ontario. Starting in 2005,...

Recent Airzone News and New Projects Airzone has been retained to update air quality regulations for jurisdictions in Canada. This work includes updating of guidance documentation and dispersion modelling assessment tools. Airzones CALA-accredited laboratory has...

Spring 2017 News and Projects Airzone continues to act as an independent third-party reviewer for the Regional Municipality of Durham for the regulatory source testing of the Durham York Energy Centre. This review includes the auditing of laboratory analyses for key...

New Lower Formaldehyde Exposure Limits - 2017The current occupational exposure limits (OELs) for formaldehyde in Ontario, as provided in O. Reg. 833, includes a short-term exposure level (STEL) of 1 ppm and a ceiling limit of 1.5 ppm. Due to the notice of intended...

2017-NPRI Changes to Reporting Requirements Modifications to reporting thresholds: The mass threshold for cobalt (and its compounds) has been reduced from 10 tonnes to 50 kilograms, and the concentration threshold has been reduced from 1% to 0.1%. Information for...

Industry Standards for Petroleum Refining and Petrochemical Industries Announced An "Industry Standard” is an alternate form of compliance to obtaining an ECA for air emissions, and obviates the need for air quality impact assessments. Instead, industries must...

The MOECC has Amended O. Reg. 524/98 The MOECC has amended O. Reg. 524/98 (commonly known as the Exemption Regulation) which lists all activities that do not require an emissions permit. This has included demolition activities, emissions related to small residences...

New Ontario Self-Permitting Regulation (O. Reg. 1/17) The Ontario Ministry of the Environment and Climate Change (MOECC) has significantly changed environmental emissions permitting (formerly known as CofAs or ECAs) for many types of industries and facilities...

2017 Seminar Series (In person and webinars) Check the boxes for webinars or seminars that you want to attend. More information on each talk is given below. Location for In-person...

Airzone Winter 2016 Newsletter MOECC Amends Greenhouse Gas Emission Reporting Regulation to Support Future Cap and Trade Program The amendments were enacted 1 January 2016 and include: lowering the...

Airzone Summer 2016 Newsletter Further News on Updates to Guidance Supporting Local Air Quality Regulation (O. Reg. 419/05) The Air and Waste Management Association and Ministry of the Environment and Climate Change held a meeting in Spring 2016 to further discuss the...