APPLICATION NOTE      ADVANCED ON-LINE INSTRUMENTATION   HELPS FACILITY MEET BNR GOALS      Advanced BNR technology coupled with new on-line process instrumentation helps optimize wastewater plant efficiency and eliminates much of the time- consuming lab work for process control.      By Bob Dabkowski, Hach Company          Introduction    Nutrient levels in wastewater treatment plant  effluent are a rising concern as regulatory  agencies seek

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