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! Recommended depth (with underdrain pipe)
! Recommended depth (with underdrain pipe)
! Recommended depth (no underdrain pipe)
! Recommended depth (no underdrain pipe)
! Typical porosity (''V<sub>R</sub>'')
! Typical porosity (''n'')
|-
|-
| Surface ponding (''d<sub>p</sub>'')
| Surface ponding (''d<sub>p</sub>'')