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<p><font face="Arial">Hi Rob, <br>
</font></p>
<p><font face="Arial">This system isn't a raised bed. It's a two tank
system with high quality effluent streamed in pipes about 6 - 8"
below the existing surface. Used in areas with trees, in fact
the system requires tree and shrub type vegetation to cover the
pipes.</font></p>
<p><font face="Arial">Alberta and Sask. allow them, but I can't find
any reference for Ontario.</font><br>
</p>
<br>
<div class="moz-cite-prefix">On 2017-05-07 11:39 PM, RWT via
Greenbuilding wrote:<br>
</div>
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