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[[File:Wood based compost.jpg|thumb|wood based compost]]  
 
[[File:Wood based compost.jpg|thumb|wood based compost]]  
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STEP are currently undertaking research into the quality of compost for use in LID installations.
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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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{| class="mw-collapsible mw-collapsed wikitable"
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<div class="toccolours mw-collapsible mw-collapsed">
|+ Specifications for category 'AA' product under Ontario Compost Quality Standards
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'''Specifications for category 'AA' product under Ontario Compost Quality Standards'''
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<div class="mw-collapsible-content">
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{| class="wikitable"
 
!Parameter
 
!Parameter
 
!Acceptable range
 
!Acceptable range
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|Zinc||≤ 500 mg/kg dry weight
 
|Zinc||≤ 500 mg/kg dry weight
 
|}
 
|}
 
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</div></div>
 
[[Category:materials]]
 
[[Category:materials]]
 
[[Category: testing]]
 
[[Category: testing]]
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