processes to produce products that are not intended for use as a soil conditioner (such as the production of animal feed).biological treatment of hazardous wastes, and.processes that are not aerobic (such as anaerobic digestion and fermentation),.In addition, the Standards do not address:
Some composting operations (such as backyard composters, on-site composters, and on-farm composting of agricultural wastes) are beyond the scope of the Standards.
In general, the Standards apply only to aerobic composting of non-hazardous organic materials for the purpose of producing a humus-like material intended for use as a soil conditioner. The Standards set out three categories of compost quality (AA, A and B). After this date, all the requirements in Part II of this document apply. Conditions in the ECA, relating to foreign matter (non-biodegradable particulate matters) and maturity (stability), including those that incorporate the Interim Guidelines, remain in effect until July 1, 2015. This means conditions in the ECA that deal with standards for metals in compost, the quality of feedstock and pathogens, including those that incorporate the Interim Guidelines, would no longer apply. Where a facility’s ECA was issued before January 1, 2013, and the facility operator wishes to take advantage of the new compost categories, the standards for metals in compost, the quality of feedstock and pathogens in the Standards must be met.
Some environmental compliance approvals ( ECAs) issued under Part II.1 of the Environmental Protection Act ( EPA) before Januincorporate the Interim Guidelines in whole or in part. Ontario Compost Quality Standards (Standards) updates and replaces, except as explained below, the Interim Guidelines for the Production and Use of Aerobic Compost in Ontario (Interim Guidelines), first released in November 1991, and last updated in 2004. The Ontario Ministry of the Environment (ministry or MOE) has prepared revised standards for aerobic composting of organic waste materials, supported by regulatory amendments. Prepared by: Ontario Ministry of the Environment, Waste Management Policy Branch
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