2013HJ 655-2013 Technical specifications for installation and acceptance of ambient air quality continuous automated monitoring system for PM<下标10> and PM<下标2.5>
2005HJ/T 193-2005 Automated methods for ambient air quality monitoring
HJ 655-2013(XG1-2018) Ambient Air Particulate Matter (PM10 and PM2.5) Continuous Automatic Monitoring System Installation and Acceptance Technical Specifications "No. 1 Amendment" was changed to HJ 655-2013 Technical specifications for installation and acceptance of ambient air quality continuous automated monitoring system for PM<下标10> and PM<下标2.5>.