NF P16-700-15*NF EN 12255-15:2004 Wastewater treatment plants - Part 15 : measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants
2004NF P16-700-15*NF EN 12255-15:2004 Wastewater treatment plants - Part 15 : measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants