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See Chinese contents: HJ 354-2019 HJ 354-2019: Technical specification for check and acceptance of wastewater on-line monitoring system (CODCr, NH3-N et al.)
This standard specifies the acceptance conditions and acceptance procedures of the wastewater online monitoring system; the acceptance requirements for water pollution source discharge outlets, flow monitoring units, monitoring stations, automatic water sampling units and data control units; the acceptance methods and acceptance technical indicators of flow meters, water quality automatic samplers and water quality automatic analyzer; as well as the acceptance content of the operation and maintenance plan of the wastewater online monitoring system.
