Changes

Jump to navigation Jump to search
678 bytes removed ,  6 years ago
m
no edit summary
Line 1: Line 1: −
<p>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.]</p>
+
[[File:Wood based compost.jpg|thumb|wood based compost]]  
 +
STEP are currently undertaking research into the quality of compost for use in LID installations.
   −
{|class="wikitable"
+
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.]
|+ Specifications for category 'AA' product under Ontario Compost Quality Standards
+
 
|-  
+
<div class="toccolours mw-collapsible mw-collapsed">
!style="background: darkcyan; color: white"|Parameter
+
'''Specifications for category 'AA' product under Ontario Compost Quality Standards'''
!style="background: darkcyan; color: white"|Acceptable range
+
<div class="mw-collapsible-content">
 +
{| class="wikitable"
 +
!Parameter
 +
!Acceptable range
 
|-
 
|-
|pH||5.5 - 8.5
+
|[[pH]]||5.5 - 8.5
 
|-
 
|-
|Soluble Salts (EC)||< 4 mS/cm
+
|[[Soluble Salts]] (EC)||< 4 mS/cm
 
|-
 
|-
 
|Moisture Content||< 50% by weight
 
|Moisture Content||< 50% by weight
 
|-
 
|-
|Organic matter||> 30% by dry weight
+
|[[Organic matter]]||> 30% by dry weight
 
|-
 
|-
 
|C/N ratio||12 to 22
 
|C/N ratio||12 to 22
Line 49: Line 53:  
|Zinc||≤ 500 mg/kg dry weight
 
|Zinc||≤ 500 mg/kg dry weight
 
|}
 
|}
 
+
</div></div>
<table class = "table table-striped table-responsive">
  −
<caption><strong>Specifications for category 'AA' product under Ontario Compost Quality Standards</strong></caption>
  −
<tr><td>Arsenic</td><td>≤ 13 mg/kg dry weight</td></tr>
  −
<tr><td>Cadmium</td><td>≤ 3 mg/kg dry weight</td></tr>
  −
<tr><td>Chromium</td><td>≤ 210 mg/kg dry weight</td</tr>
  −
<tr><td>Cobalt</td><td>≤ 34 mg/kg dry weight</td></tr>
  −
<tr><td>Copper</td><td>≤ 100 mg/kg dry weight</td></tr>
  −
<tr><td>Lead</td><td>≤ 150 mg/kg dry weight</td></tr>
  −
<tr><td>Mercury</td><td>≤ 0.8 mg/kg dry weight</td></tr>
  −
<tr><td>Molybdenum</td><td>≤ 5 mg/kg dry weight</td></tr>
  −
<tr><td>Nickel</td><td>≤ 62 mg/kg dry weight</td>
  −
</tr><tr><td>Selenium</td><td>≤ 2 mg/kg dry weight</td></tr><tr>
  −
<td>Sodium, Percent Saturation</td><td>< 2%</td></tr>
  −
<tr><td>Zinc</td><td>≤ 500 mg/kg dry weight</td></tr><tr>
  −
</table>
   
[[Category:materials]]
 
[[Category:materials]]
 +
[[Category: testing]]
8,255

edits

Navigation menu