Ambient Air Quality Standard GB3095-2012
286.6KB
Notice of the China National Environmental Monitoring Station on Issuing Three Technical Provisions, including the Technical Provisions for Continuous Automatic Monitoring of Particulate Organic Carbon and Elemental Carbon in Ambient Air
16.3MB
Technical specification of manual monitoring method (gravimetric method) for HJ656-2013 ambient air particulate matter (PM2.5)
320.0KB
Technical Specification for Installation and Acceptance of Continuous Automatic Monitoring System for HJ655-2013 Ambient Air Particulate Matter (PM2.5, PM10)
311.2KB
Technical requirements and detection methods of continuous automatic monitoring system for gaseous pollutants (SO2, NO2, CO, O3) in HJ654-2013 ambient air
385.6KB
Technical requirements and detection methods for continuous automatic monitoring system of HJ653-2021 ambient air particulate matter (PM2.5, PM10)
4.1MB
HJ618-2011 ambient air-Determination of PM2.5 and PM10-Gravimetric method
211.3KB
Technical specification for installation and acceptance of continuous automatic monitoring system for gaseous pollutants (SO2, NO2, CO, O3) in HJ193-2013 ambient air
403.2KB
HJ 1019-2019 Technical Guidelines for Sampling Volatile Organic Compounds in Soil and Groundwater
975.9KB
HJ T 166-2004 Technical specification for soil environmental monitoring
197.0KB
HJ 818-2018 Technical Specification for Operation and Quality Control of Continuous Automatic Monitoring System for Ambient Air Gaseous Pollutants (SO2, NO2, O3, CO)
478.0KB
HJ 817-2018 Technical Specification for Operation and Quality Control of Continuous Automatic Monitoring System for Ambient Air Particulate Matter (PM10 and PM2.5)
365.2KB