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{|class="wikitable"|+ Specifications for category 'AA' product under Ontario Compost Quality StandardsLine 51:
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[[File:Wood based compost.jpg|thumb|wood based compost]]
[[File:Wood based compost.jpg|thumb|wood based compost]]
STEP are currently undertaking research into the quality of compost for use in LID installations.
Compost shall be stable, humus-like material produced from the aerobic decomposition of organic feedstocks, composted and cured until maturity. Compost shall be produced under the Compost Council of [http://www.compost.org/CQA-En.html Canada’s Compost Quality Alliance] (CQA) certification program through testing by an [http://www.omafra.gov.on.ca/english/crops/resource/soillabs.htm| OMAFRA accredited soil laboratory], and certified as category ‘AA’ under [https://www.ontario.ca/page/ontario-compost-quality-standards#section-2 Ontario Compost Quality Standards.]
Compost shall be stable, humus-like material produced from the aerobic decomposition of organic feedstocks, composted and cured until maturity. Compost shall be produced under the Compost Council of [http://www.compost.org/CQA-En.html Canada’s Compost Quality Alliance] (CQA) certification program through testing by an [http://www.omafra.gov.on.ca/english/crops/resource/soillabs.htm| OMAFRA accredited soil laboratory], and certified as category ‘AA’ under [https://www.ontario.ca/page/ontario-compost-quality-standards#section-2 Ontario Compost Quality Standards.]
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'''Specifications for category 'AA' product under Ontario Compost Quality Standards'''
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{| class="wikitable"
!Parameter
!Parameter
!Acceptable range
!Acceptable range
|Zinc||≤ 500 mg/kg dry weight
|Zinc||≤ 500 mg/kg dry weight
|}
|}
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[[Category:materials]]
[[Category:materials]]
[[Category: testing]]
[[Category: testing]]