What is the best way to assess the performance of a so-called EM (Effective Microorganisms) applied into a waste stabilization pond?

Domestic wastewater treatment system consists of 2 systems of aerated (40000 m3 each), facultative (87500 m3 each), and maturation ponds (50000 m3 each) working in parallel. Total flow for the...

08 August 2014 8,033 7 View