Occupational Health and Safety Bulletins

Provincial News The First Six Months of Reg. 419: Lessons Learned Negligible Sources: The Procedure document for preparing Emission Summary and Dispersion Modelling (ESDM) Reports, the central document in a Certificate of Approval (CofA) application, indicates that...

Proposal on air quality standards for 29 substances The Ontario Ministry of the Environment (MOE) has announced new or updated standards for 29 pollutants including: Acetone, Acetonitrile, Acrolein, Arsenic and compounds, Cadmium and compounds, Chromium VI and III...

Provincial Activities Ontario endorses Canada-Wide Standards (CWS) for dioxin and furan emissions The Province proposes adoption of CWS for dioxins and furans that set emission limits and implementation schedules for iron sintering plants and steel manufacturing...

Ontario (MOE) Proposes Changes to Air Dispersal Models for Regulatory Compliance On Mar. 20th, 2001, the MOE proposed replacing the Reg. 346 dispersal model with models from the US EPA. ? The MOE plans a revised modelling guide describing a tiered approach for CofA...

Provincial News ? Implementation of Amendments to O. Reg. 419 CofA Regulation Changes reported in previous Air Quality News Bulletins have been implemented including: Updated air standards for: N-Butanol; Cadmium and its Compounds; Chlorine Dioxide; Chloroethane;...

Provincial News Draft Guide for Alternative Air Standard Requests The Ministry of the Environment has a regulatory process to adopt alternative (less stringent) and temporary air standards where companies have technical and/or economic difficulties in meeting existing...

Special Issue on Changes to Air Emissions Permitting Regulations Introduction On December 1st, 2005, Regulation 419 replaced Regulation 346 as the new air emissions permit regulation applicable to air pollutant sources in Ontario. ? Most sources of air pollution are...

Ontario Provincial Activities Proposed Changes to the Ontario Emissions Trading Code The Code is part of OReg 397/01, which places caps on airborne emissions of nitric oxide (NO) and sulphur dioxide (SO2) from specified fossil fuel-fired electricity generators. ? The...

Ontario Provincial Activities Draft Manual for MOE s New Dispersion Models The Ontario Ministry of the Environment (MOE) has released a draft Model Usage Guide for the US EPA AERMOD, ISC3-PRIME and SCREEN3 models it intends to adopt to replace the Reg. 346 model. ?...

Provincial Activities Changes to Emission Reporting Requirements Most companies must assess if they need to report emissions, under the provincial O. Reg. 127? and the federal NPRI.? ? Amendments to O. Reg. 127 last year included: Xylene isomers have been removed from...

Provincial Activities Ontario to Adopt Canada-wide Standards (CWS) Ontario has signed the CWS for emissions of Dioxins and Furans from Waste Incinerators and also proposes adopting a CWS for Iron and Steel Industries for these substances. ? The standard sets out...

Recent Policy Decisions Canada-Wide Standards for Dioxins and Furans The Ministry of the Environment requested public comment on draft Canada-Wide Standards (CWS) for Dioxins and Furans during the period October 12, 2000 to November 26, 2000. These proposed standards...