Changes

''d₁₀'' = the soil particle diameter for which 10% of all soil particles are finer (smaller) by weight (mm),

''d₁₀'' = the soil particle diameter for which 10% of all soil particles are finer (smaller) by weight (mm),

''C'' = is a shape factor (see below), and

''C'' = is a shape factor (see below), and

''K'' = permeability (mm/hr)

''K'' = permeability (mm/hr)}}

{| class="wikitable"

{| class="wikitable"

! colspan =2| Shape factors to yield K in mm/hr

! colspan =2| Shape factors (C) to yield K in mm/hr

|-  

|-  

|Very fine to fine sand

|Very fine to fine sand