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→Structural Soil Comparisons
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|'''CU-Soil™'''
|'''CU-Soil™'''
|30mm (20-40mm)*
|30mm (20-40mm)*
−|Gravel: <5%
+|
−Sand: 20-45%
+Gravel: <5%<br>
−Silt: 20-50%
+Sand: 20-45%<br>
−Clay: 20-40%
+Silt: 20-50%<br>
−CEC >10
+Clay: 20-40%<br>
−pH: 5.5 – 6.5
+Cation Exchange Capacity (CEC) >10<br>
+pH: 5.5 – 6.5<br>
Organic Content: 2 – 5% by dry weight
Organic Content: 2 – 5% by dry weight
|Hydrogel (coated potassium propenoate-propenamide copolymer)
|Hydrogel (coated potassium propenoate-propenamide copolymer)
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|'''B.C Soil'''
|'''B.C Soil'''
|75mm/60 – 80mm)
|75mm/60 – 80mm)
−|Sand: 45-55%
+|
−Silt: 25-35%
+Sand: 45-55%<br>
−Clay: 0 – 10%
+Silt: 25-35%<br>
−Silt + Clay: 25 – 45%
+Clay: 0 – 10%<br>
−pH: 6.0 – 7.0
+Silt + Clay: 25 – 45%<br>
+pH: 6.0 – 7.0<br>
Organic Content: 15-20%**
Organic Content: 15-20%**
|Stabilizer
|Stabilizer
|33%
|33%
|-
|-
+| colspan="5" style="text-align: left;" |<small>'''Note:'''<br>
+"*" = Larger or smaller stone sizes are accepted as long as they do not comprise more than 10% above or 10% below the indicated range.<br>
+"**" = Soil texture is the City of Vancouver specification for structural soils</small>
|}
|}