Paragraph 1
The reference method of analysis to determine total suspended matter (filterable matter from the non precipitated sample) as expressed in mg/l shall be filtering through a 0.45 μM filter membrane, drying at 105°C and weighing.
The reference method of analysis to determine total suspended matter (filterable matter from the non precipitated sample) as expressed in mg/l shall be filtering through a 0.45 μM filter membrane, drying at 105°C and weighing.