subsurface soil definition
subsurface soil means soil that is more than 1.5 metres beneath the soil surface, including the bottom .5 metres of any non-soil surface treatment such as asphalt, concrete or aggregate above the soil surface, but excluding the thickness of any such non-soil surface treatment that is greater than .5 metres;
subsurface soil means soil greater than 2 feet below ground surface (bgs). “Surface Soil” means soil from the ground surface to a depth of 2 feet bgs.
subsurface soil means soil that is more than two feet below the surface;