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|> 25 mm/hr <br> < 250 mm/hr||Falling head or constant head KSAT
|> 25 mm/hr <br> < 250 mm/hr||Falling head or constant head KSAT
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Note that grain size distribution does not form part of the recommended acceptance criteria. Whilst this information may be useful in designing blends, the disconnect between hydraulic conductivity and the uniformity of gradation makes it far less important then measuring the hydraulic conductivity directly<ref>CRC for Water Sensitive Cities. (2015). Adoption Guidelines for Stormwater Biofiltration Systems: Appendix C - Guidelines for filter media in stormwater biofiltration systems.</ref>
==Sand==
==Sand==