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See Chinese contents: HJ 356-2019 HJ 356-2019: Technical specification for data validity of wastewater on-line monitoring system (CODCr, NH3-N et al.)
This Standard specifies the judgment process of validity, judgment index of data validity, judgment method of data validity, the calculation of effective mean value and the process of invalid data for monitoring data such as chemical oxygen demand (CODCr), ammonia nitrogen (NH3-N), total phosphorus (TP), total nitrogen (TN), pH value, temperature, and flow rate which are obtained from the wastewater on-line monitoring system.
