improving water quality and reducing the cost of water treatment. Permeable pavements are particularly effective in this area with toPmix Permeable from lafarge tarmac design oPtions This system allows all water falling onto the pavement to permeate through the Topmix ...
Macdonald and Jefferies (2001) monitored water quality improvements represented by discharge reductions for TSS (32%), BOD (49%), Ni (63%) and TPH (69%) compared to an impermeable tarmac surface but increases were observed for Cu (25%) and Zn (42%). The reduction in percentage runoff ...