Changes

<li>The coarse sand for LID construction shall be clean and free free of toxic materials.

<li>The coarse sand for LID construction shall be clean and free free of toxic materials.

<li>The pH of the sand shall be  ≤ 7.0. Manufactured sand from limestone or dolostone parent material is not acceptable.</li>

<li>The pH of the sand shall be  ≤ 7.0. Manufactured sand from limestone or dolostone parent material is not acceptable.</li>

<li>The coarse sand shall have a fineness modulus index between 2.8 and 3.1 according to [https://www.astm.org/Standards/C33| ASTM C33/C33M], or otherwise the gradation below.</li>

<li>The coarse sand shall have a fineness modulus index between 2.8 and 3.1 according to [https://www.astm.org/Standards/C33| ASTM C33/C33M], or otherwise meet the gradation below.</li>

</ul>

</ul>

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

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

<tr><td>0.75 mm (No.200)</td><td>≤ 3</td></tr>

<tr><td>0.75 mm (No.200)</td><td>≤ 3</td></tr>

</table>

</table>

[[category: materials]]

[[category: materials]]