Application of automatic monitors for state water quality surveillance
Field use of automatic water quality monitors began during the mid 1950's. Experience gained since that time has revealed that the best application of automatic monitors is to supplement grab sampling surveillance systems. When employed on a real-time basis using telemetry and computer processing of collected data, automatic monitors are capable of satisfying the abatement objectives of state water quality management agencies. Presently, only five reliable sensors (DO, T, pH, Cond, and Turb) are available. With this limitation, automatic monitors are not presently able to provide 100 percent ...
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