May 24, 2004

MOE updates criteria for metals in compost to match CCME guideline

TORONTO, ONT-Updated guidelines for the production and use of aerobic compost, proposed by the Ontario Ministry of Environment (MOE), will harmonize provincial criteria for metals in compost with those of the Canadian Council of Ministers of Environment (CCME). The harmonization will allow for the production of high-quality compost and enable easier use and marketing of the end product. The proposed new criteria address 11 metals, setting higher upper limits for arsenic, chromium, cobalt, copper, mercury, molybdenum and nickel. The criteria for cadmium, lead, selenium and zinc would remain unchanged. The proposal has been posted on the Environmental Bill of Rights registry for a 60-day comment period ending July 4, 2004 (www.ene.gov.on.ca, registry reference No PA04E0007).
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