Changes

<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’ or ‘A’ under [https://www.ontario.ca/page/ontario-compost-quality-standards#section-2| Ontario Compost Quality Standards.]</p>

<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>

<table class = "table table-striped table-responsive">

<table class = "table table-striped table-responsive">

<caption><strong>Specifications for category 'A' product under Ontario Compost Quality Standards</strong></caption>

<caption><strong>Specifications for category 'AA' product under Ontario Compost Quality Standards</strong></caption>

<tr class ='success'><th>Parameter</th><th>Acceptable range</th></tr>

<tr class ='success'><th>Parameter</th><th>Acceptable range</th></tr>

<tr><td>pH</td><td>5.5 - 8.5</td></tr>

<tr><td>pH</td><td>5.5 - 8.5</td></tr>

<tr><td>Maturity</td><td>See: [https://www.ontario.ca/page/ontario-compost-quality-standards#section-2| MOECC 2012]</td></tr>

<tr><td>Maturity</td><td>See: [https://www.ontario.ca/page/ontario-compost-quality-standards#section-2| MOECC 2012]</td></tr>

<tr><td>Particle size</td><td>100% < 12.7 mm (1/2”)</td></tr>

<tr><td>Particle size</td><td>100% < 12.7 mm (1/2”)</td></tr>

<tr><td>Foreign Material</td><td>> 1.0% by dry weight > 3 mm<br>< 0.5% plastic by dry weight<br> no foreign matter > 25 mm per 500 mL<br> no sharp foreign matter that could cause harm to humans or animals.</td></tr>  

<tr><td>Foreign Material</td><td>< 1.0% by dry weight > 3 mm<br>< 0.5% plastic by dry weight<br> no foreign matter > 25 mm per 500 mL<br> no sharp foreign matter that could cause harm to humans or animals.</td></tr>  

<tr><td>Arsenic</td><td>≤ 13 mg/kg dry weight</td></tr>

<tr><td>Arsenic</td><td>≤ 13 mg/kg dry weight</td></tr>

<tr><td>Cadmium</td><td>≤ 20 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>Chromium</td><td>≤ 210 mg/kg dry weight</td</tr>

<tr><td>Cobalt</td><td>≤ 34 mg/kg dry weight</td></tr>

<tr><td>Cobalt</td><td>≤ 34 mg/kg dry weight</td></tr>

<tr><td>Copper</td><td>≤ 400 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>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>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>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>

<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>

<td>Sodium, Percent Saturation</td><td>< 2%</td></tr>

<tr><td>Zinc</td><td>≤ 700 mg/kg dry weight</td></tr><tr>

<tr><td>Zinc</td><td>≤ 500 mg/kg dry weight</td></tr><tr>

</table>

</table>

[[Category:materials]]

[[Category:materials]]