Analytical investigations to determine the effectiveness of municipal wastewater treatment plants. The analytical control of influent / effluent water and sludge samples by physico-chemical parameters of interest for each of the wastewater treatment plant.

Wastewater influent, effluent and sludge sampling and field measurements of basic parameters: pH, conductivity, dissolved oxygen, salinity, turbidity, temperature, and a series of chemical indicators using field equipment (eg. Multiparameter, portable photometer kits, etc.)