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[ Policies and Regulations of Chemical Machinery and Equipment Network ] In recent years, China's atmospheric environmental governance has achieved remarkable results.
In 2021, the ratio of good days in cities at the national prefecture level and above will be 87.
5%, and the annual average value of PM2.
5 in 339 cities at the prefecture level and above in the country will increase from 42 in 2016.
The microgram/cubic meter will drop to 30 micrograms/cubic meter in 2021, and the annual average value of PM2.
5 in Beijing-Tianjin-Hebei and surrounding areas will drop from 73 micrograms/cubic meter in 2016 to 43 micrograms/cubic meter
.
But particulate matter remains a major pollutant in ambient air in many cities
.
Chemical Machinery and Equipment Network Policies and Regulations Chemical Machinery and EquipmentIn 2021, the ratio of good days in cities at the national prefecture level and above will be 87.
5%, and the annual average value of PM2.
5 in 339 cities at the prefecture level and above in the country will increase from 42 in 2016.
The microgram/cubic meter will drop to 30 micrograms/cubic meter in 2021, and the annual average value of PM2.
5 in Beijing-Tianjin-Hebei and surrounding areas will drop from 73 micrograms/cubic meter in 2016 to 43 micrograms/cubic meter
.
But particulate matter remains a major pollutant in ambient air in many cities
.
During the "14th Five-Year Plan" period, we will go deep into the defense of the blue sky, continue to improve air quality, and put forward higher requirements for further improving the stability, accuracy and sensitivity of automatic monitoring instruments for ambient air particulate matter.
Ambient Air Particulate Matter (PM10 and PM2.
5) Continuous Automatic Monitoring System Technical Requirements and Detection Methods" (hereinafter referred to as "Standard") will be revised
.
Monitoring instruments Ambient Air Particulate Matter (PM10 and PM2.
5) Continuous Automatic Monitoring System Technical Requirements and Detection Methods" (hereinafter referred to as "Standard") will be revised
.
Original text of the announcement
The "Standard" specifies the technical requirements, performance indicators and detection methods of continuous automatic monitoring systems for ambient air particulate matter (PM10 and PM2.
5), and is applicable to the design, production and testing of continuous automatic monitoring systems for ambient air particulate matter (PM10 and PM2.
5).
detection
.
5), and is applicable to the design, production and testing of continuous automatic monitoring systems for ambient air particulate matter (PM10 and PM2.
5).
detection
.
This revision of the "Standard" is based on the existing standards in China, with reference to relevant foreign standards, combined with technical status and management needs, to appropriately improve the performance indicators of automatic monitoring instruments for ambient air particulate matter, and improve the relevant regulations
.
The technical requirements for the accuracy of the comparison test indicators such as automatic monitoring of ambient air particulate matter and manual monitoring methods have been tightened; comparison tests have been carried out in multiple regions and seasons to improve instrument comparison tests under different environmental quality conditions, temperature and humidity conditions The system of the instrument enhances the applicability of the instrument; the management requirements for the display, recording and storage of important parameters such as sample temperature and humidity are standardized; the compatibility of the instrument principle is maintained, and the specific instrument method principle is not specified, and technological innovation and development are encouraged
.
.
The technical requirements for the accuracy of the comparison test indicators such as automatic monitoring of ambient air particulate matter and manual monitoring methods have been tightened; comparison tests have been carried out in multiple regions and seasons to improve instrument comparison tests under different environmental quality conditions, temperature and humidity conditions The system of the instrument enhances the applicability of the instrument; the management requirements for the display, recording and storage of important parameters such as sample temperature and humidity are standardized; the compatibility of the instrument principle is maintained, and the specific instrument method principle is not specified, and technological innovation and development are encouraged
.
It is understood that the release and implementation of the "Standard" plays an important role in improving the quality of monitoring data, supporting atmospheric environment supervision, and promoting the progress of monitoring technology and industrial development
.
.
In addition, "Portable Fourier Transform Infrared Spectrometry for Determination of Gaseous Pollutants (SO2, NO, NO2, CO, CO2) in Exhaust Gases from Stationary Pollution Sources" (HJ 1240-2021) will also be implemented simultaneously on June 1
.
.
Original title: Implemented from June! Two national standards related to ambient air were released!
