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<ul>
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[[File:PSD sand.jpg|thumb|Particle size distribution graph for ASTM C33 sand, as described in table]]
<li>The coarse sand for LID construction shall be clean and free free of toxic materials.
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<li>The pH of the sand shall be  ≤ 7.0. Manufactured sand from limestone or dolostone parent material is not acceptable.</li>
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*Coarse sand for LID construction shall be washed clean and free of toxic materials.
<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>
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*The pH of the sand shall be  ≤ 7.0.  
</ul>
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*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.
<table class = "table table-striped table-responsive">
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<caption><strong>Particle size distribution</strong></caption>
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{|class="wikitable"
<tr class ='success'><th>Sieve</th><th>Percent passing</th></tr>
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|+ Particle size distribution
<tr><td>9.5 mm</td><td>100</td></tr>
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|-
<tr><td>4.75 mm (No.4)</td><td>95-100</td></tr>
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!style="background: darkcyan; color: white"|Sieve
<tr><td>2.36 mm (No.8)</td><td>80-100</td></tr>
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!style="background: darkcyan; color: white"|Percent passing
<tr><td>1.18 mm (No.16)</td><td>50-85</td></tr>
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|-
<tr><td>0.60 mm (No.30)</td><td>25-85</td></tr>
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|9.5 mm||100
<tr><td>0.30 mm (No.50)</td><td>5-30</td></tr>
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|-
<tr><td>0.15 mm (No.100)</td><td>0-10</td></tr>
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|4.75 mm (No.4)||95 - 100
<tr><td>0.75 mm (No.200)</td><td>≤ 3</td></tr>
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|-
</table>
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|2.36 mm (No.8)||80 - 100
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|-
{{:feedback}}
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|1.18 mm (No.16)||50 - 85
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|-
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|0.60 mm (No.30)||25 - 50
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|-
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|0.30 mm (No.50)||5 - 30
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|-
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|0.15 mm (No.100)||0 - 10
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|-
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|0.075 mm (No.200)||≤ 3
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|}
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[[category: materials]]
 
[[category: materials]]

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