The Ministry of Ecology and Environment released 10 national eco-environmental standards

[ Policies and Regulations of Chemical Machinery and Equipment Network ] In order to support the implementation of relevant ecological and environmental quality standards and pollutant discharge standards, the Ministry of Ecology and Environment recently issued "Gas Chromatography for Determination of Pyridine in Ambient Air and Waste Gas" (HJ 1219-2021), "Ambient Air Determination of 6 Volatile Carboxylic Acid Compounds by Gas Chromatography-Mass Spectrometry (HJ 1220-2021), Gravimetric Determination of Ambient Air Dust (HJ 1221-2021), Determination of Moisture and Dry Matter Content in Solid Waste by Gravity Law" (HJ 1222-2021), "Portable Gas Chromatography-Mass Spectrometry for Emergency Determination of Volatile Organic Compounds in Ambient Air" (HJ 1223-2021), "High Resolution Gas Chromatography-High Resolution Mass Spectrometry for Determination of Organochlorine Pesticides in Ambient Air" (HJ 1224-2021), "Chemiluminescence Method for Automatic Determination of Ozone in Ambient Air" (HJ 1225-2021), "Methylene Blue Spectrophotometric Method for Determination of Sulfur in Water Quality" (HJ 1226-2021), "Emergency of Volatile Organic Compounds in Water Quality" Determination of 10 national eco-environmental standards including Portable Headspace/Gas Chromatography-Mass Spectrometry (HJ 1227-2021) and Technical Specifications for Emergency Monitoring of Environmental Emergencies (HJ 589-2021)
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"Gas Chromatography for Determination of Pyridine in Ambient Air and Exhaust Gas" (HJ 1219-2021) is the first release, which is suitable for the determination of pyridine in ambient air, unorganized emission monitoring point air and organized emission exhaust gas from fixed pollution sources.
High resolution, good separation and so on
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"Determination of Six Volatile Carboxylic Acid Compounds in Ambient Air by Gas Chromatography-Mass Spectrometry" (HJ 1220-2021) is the first release, which is suitable for the determination of six volatile carboxylic acid compounds in ambient air and the air of fugitive emission monitoring points.
The determination method is convenient and sensitive, and can support the implementation of pollutant emission standards such as "Synthetic Resin Industry Pollutant Emission Standard" (GB 31572-2015), "Petrochemical Industry Pollutant Emission Standard" (GB 31571-2015)
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The Gravimetric Method for Determination of Dust Fall in Ambient Air (HJ 1221-2021) is applicable to the determination of dust fall in ambient air
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Compared with the Gravimetric Method for Determination of Dust in Ambient Air (GB/T 15265-94), this standard refines the provisions on the layout of sampling points, revises and improves the requirements for equipment and quality control, and improves the operability of the method.
Meet the needs of dust monitoring in the current atmospheric environment management work
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The Gravimetric Method for Determination of Moisture and Dry Matter Content in Solid Wastes (HJ 1222-2021) is the first release, which is suitable for the determination of moisture and dry matter contents in common solid wastes, but not suitable for high volatile organic compounds, flammable and explosive Determination of moisture and dry matter content in solid waste samples
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This standard can provide a more scientific method for the determination of moisture and dry matter content for the analysis, treatment and disposal of solid waste
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"Determination of Organochlorine Pesticides in Ambient Air by High Resolution Gas Chromatography-High Resolution Mass Spectrometry" (HJ 1224-2021) is the first release, which is suitable for the determination of 25 kinds of organochlorine pesticides in the gas phase and particulate matter in ambient air
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As an ultra-trace analysis method for organochlorine pesticides, this standard can provide a reliable basis for China to implement the Stockholm Convention on Persistent Organic Pollutants and carry out low-concentration sample monitoring
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　　The "Chemiluminescence Method for Automatic Determination of Ozone in Ambient Air" (HJ 1225-2021) is the first publication, which is suitable for the automatic determination of ozone in ambient air
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This standard has strong anti-interference ability, has good consistency with ultraviolet spectrometry, and can be used as a useful supplement to ultraviolet spectrometry
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　　"Determination of Sulfide in Water Quality Methylene Blue Spectrophotometry" (HJ 1226-2021), suitable for the determination of sulfide in surface water, groundwater, domestic sewage, industrial wastewater and seawater
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Compared with "Methylene Blue Spectrophotometric Method for Determination of Sulfur in Water Quality" (GB/T 16489-1996), this standard has revised the scope of application and detection limit, and added pretreatment methods, which can support the "Environmental Quality Standard for Surface Water".
"(GB 3838-2002), "Integrated Wastewater Discharge Standard" (GB 8978-1996) and other water environment quality and water pollutant discharge standards are implemented
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　　Portable Gas Chromatography-Mass Spectrometry for Emergency Determination of Volatile Organic Compounds in Ambient Air (HJ 1223-2021), Portable Headspace/Gas Chromatography-Mass Spectrometry for Emergency Determination of Volatile Organic Compounds in Water Quality (HJ 1227-2021) and Sudden Technical Specifications for Emergency Monitoring of Environmental Incidents (HJ 589-2021), applicable to emergency monitoring of environmental emergencies
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HJ 1223-2021 and HJ 1227-2021 are released for the first time, which can conduct on-site qualitative analysis and accurate quantification of VOCs
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HJ 589-2021 is the first revision, which specifies the technical requirements for the key links of emergency monitoring of environmental emergencies
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The three standards can provide technical support for emergency response to environmental emergencies
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　　The release and implementation of the above 10 standards is of great significance for further improving the ecological environment monitoring standard system, regulating ecological environment monitoring behavior, improving the quality of environmental monitoring data, serving ecological environment supervision and law enforcement, promoting ecological environment protection and safeguarding human health
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　　Original title: The Ministry of Ecology and Environment issued 10 national ecological environment standards including "Gas Chromatography for Determination of Pyridine in Ambient Air and Exhaust Gas"