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See Chinese contents: HJ 654-2013 HJ 654-2013: [Including 2018XG1] Specifications and Test Procedures for Ambient Air Quality Continuous Automated Monitoring System for SO2, NO2, O3 and CO
This Standard specifies the composition, specifications, test indicators and test procedures for ambient air quality continuous automated monitoring system for SO2, NO2, O3 and CO. This Standard is applicable to the design, production and testing of ambient air quality continuous automated monitoring system for SO2, NO2, O3 and CO.
