Standards

HJ 1276-2022 Active

HJ 1276-2022 Dangerous waste identification mark setting technical specifications

This standard specifies the classification, content requirements, setting requirements, and production methods of hazardous waste identification marks that must be set by units generating, collecting, storing, utilizing, and disposing of hazardous waste. This standard applies to hazardous waste containers and packaging, as well as environmental protection identification marks used in facilities and sites for collecting, storing, utilizing, and disposing of hazardous waste. The setting of identification marks during the transportation of hazardous waste shall also comply with the relevant national regulations on the management of dangerous goods transportation. The setting of identification marks for medical waste shall be carried out in accordance with the provisions of HJ 421.

Publish Date: 2022-12-30

HJ 1274-2022 Active

HJ 1274-2022 HJ 1274-2022 Crude leather waste pollution control technical specifications

This standard specifies the technical requirements for pollution control during the collection, storage, transfer, utilization, and disposal of chromium-containing leather waste, as well as the requirements for pollutant emission control, environmental monitoring, and environmental management. This standard applies to the pollution control of the collection, storage, transfer, utilization, and disposal of chromium-containing leather waste, and can be used as a technical reference for environmental impact assessments of construction projects related to the utilization and disposal of chromium-containing leather waste, the design of environmental protection facilities, the acceptance of completed environmental protection facilities, the application and issuance of pollution discharge permits, and cleaner production audits.

Publish Date: 2022-12-24

HJ 1275-2022 Active

HJ 1275-2022 HJ 1275-2022 Regeneration of Inactivated Denitration Catalyst Pollution Control Technical Specification

This standard specifies the general requirements for the regeneration process of inactivated denitrification catalysts, the technical requirements for pollution control during the regeneration process, the control requirements for pollutant emissions, and the requirements for the management of the operating environment. This standard applies to the pollution control of the regeneration process of inactivated denitrification catalysts in thermal power plants and can be used as a technical reference basis for environmental impact assessments of inactivated denitrification catalyst regeneration construction projects, the design of environmental protection facilities, the acceptance of completed environmental protection facilities, and the application and issuance of pollution discharge permits. The pollution control of inactivated denitrification catalyst regeneration in other industries or categories can be implemented in accordance with this standard.

Publish Date: 2022-12-24

HJ 1273-2022 Active

HJ 1273-2022 Remote sensing interpretation, review, and quality control technical specifications for human activities in natural protected areas

This standard specifies the content, process, and technical requirements for the review and quality control of human activities in nature reserves through remote sensing interpretation. This standard applies to the review and quality control of human activities in nature reserves at all levels and of all types within the territory of the People's Republic of China. The review and quality control of human activities in important ecological protection spaces such as ecological protection red lines can be carried out in accordance with this standard.

Publish Date: 2022-12-24

HJ 1272-2022 Active

HJ 1272-2022 Ecological Conservation and Restoration Efficiency Evaluation Technical Guidelines (Trial)

This standard specifies the principles, technical processes, indicators and methods for the evaluation of the effectiveness of ecological protection and restoration, as well as requirements for report preparation. This standard is applicable to the evaluation of the ecological and environmental effectiveness of policies, plans, and projects related to ecological protection and restoration.

Publish Date: 2022-12-24

HJ 1271-2022 Active

HJ 1271-2022 HJ 1271-2022 Determination of Formic Acid, Acetic Acid and Ethanedioic Acid in Particulate Matter by Ion Chromatography for Environmental Air particulate matter

This standard specifies the ion chromatography method for determining formic acid, acetic acid, and oxalic acid in ambient air particles. This standard is applicable to the determination of formic acid, acetic acid, and oxalic acid in ambient air and air particles at unorganized emission monitoring points. The minimum detection limits for formic acid, acetic acid, and oxalic acid in this standard are 0.8 μg to 1.9 μg. When the ambient air sampling volume is 144 m3 (actual state), the extraction liquid volume is 100 ml, and the injection volume is 200 μl, the detection limits of this method are 0.006 μg/m3 to 0.02 μg/m3, and the determination limits are 0.024 μg/m3 to 0.08 μg/m3. When the air sampling volume at unorganized emission monitoring points is 6 m3 (standard state), the extraction liquid volume is 100 ml, and the injection volume is 200 μl, the detection limits of this method are 0.2 μg/m3 to 0.4 μg/m3, and the determination limits are 0.8 μg/m3 to 1.6 μg/m3. For details, see Appendix A.

Publish Date: 2022-12-12

HJ 1270-2022 Active

HJ 1270-2022 Determination of 26 Polybrominated Diphenyl Ethers in Ambient Air by High Resolution Gas Chromatography-High Resolution Mass Spectrometry

This standard specifies the high-resolution gas chromatography-high resolution mass spectrometry method for determining polybrominated diphenyl ethers (PBDEs) in ambient air. This standard is applicable to the determination of 26 types of PBDEs in ambient air, including BDE 7, BDE 15, BDE 17, BDE 28, BDE 47, BDE 49, BDE 66, BDE 71, BDE 77, BDE 85, BDE 99, BDE 100, BDE 119, BDE 126, BDE 138, BDE 153, BDE 154, BDE 156, BDE 175/183, BDE 184, BDE 191, BDE 196, BDE 197, BDE 206, BDE 207, and BDE 209. Details can be found in Appendix A. When the sampling volume is 1000 m3 (standard conditions) and the concentrated and diluted volume is 20 μL, the method detection limits for PBDEs with two to nine bromine atoms range from 0.02 pg/m3 to 0.4 pg/m3, and the measurement lower limits range from 0.08 pg/m3 to 1.6 pg/m3; the detection limit for decabromodiphenyl ether is 1 pg/m3, and the measurement lower limit is 4 pg/m3. When the sampling volume is 300 m3 (standard conditions) and the concentrated and diluted volume is 20 μL, the method detection limits for PBDEs with two to nine bromine atoms range from 0.05 pg/m3 to 2 pg/m3, and the measurement lower limits range from 0.20 pg/m3 to 8 pg/m3; the detection limit for decabromodiphenyl ether is 4 pg/m3, and the measurement lower limit is 16 pg/m3. Details can be found in Appendix B.

Publish Date: 2022-12-12

HJ 1269-2022 Active

HJ 1269-2022 Soil and sediment determination of methylmercury and ethylmercury by purge and trap/gas chromatography-cold atomic fluorescence spectrometry

This standard specifies the purge trap/gas chromatography-cold atomic fluorescence spectrometry method for the determination of methylmercury and ethylmercury in soil and sediments. This standard is applicable to the determination of methylmercury and ethylmercury in soil and sediments. When the sampling amount is 0.5 g and the extraction solution volume is 30 ml, the method detection limits for methylmercury and ethylmercury are both 0.2 μg/kg, and the determination lower limits are both 0.8 μg/kg. For details, please refer to Appendix A.

Publish Date: 2022-12-12

HJ 1268-2022 Active

HJ 1268-2022 Water quality: Determination of methylmercury and ethylmercury by liquid chromatography-atomic fluorescence method

This standard specifies the liquid chromatography-atomic fluorescence method for the determination of methylmercury and ethylmercury in water. This standard is applicable to the determination of methylmercury and ethylmercury in surface water, groundwater, domestic wastewater, industrial wastewater, and seawater. When the sampling volume is 1 L, the re-extraction liquid volume is 3.0 ml, and the injection volume is 100 μl, the method's detection limit is 0.08 ng/L to 0.1 ng/L, and the determination limit is 0.32 ng/L to 0.4 ng/L. For details, see Appendix A.

Publish Date: 2022-12-12

HJ 1267-2022 Active

HJ 1267-2022 Determination of six phenoxy carboxylic acid herbicides and mecoprop in water using high performance liquid chromatography

This standard specifies the high-performance liquid chromatography method for determining phenoxyacetic herbicides and mesotrione in water. This standard is applicable to surface water, groundwater, domestic sewage, industrial wastewater, and seawater for the determination of mesotrione (3,6-dichloro-2-methoxybenzoic acid), 2,4-D (2,4-dichlorophenoxyacetic acid), 2-methyl-4-chlorophenoxyacetic acid, 2,4-D propionic acid (2- (2,4-dichlorophenoxy) - propionic acid), 2,4,5-T (2,4,5-trichlorophenoxyacetic acid), 2,4-D butyrate (4- (2,4-dichlorophenoxy) - butyrate), and 2,4,5-T propionic acid (2- (2,4,5-trichlorophenoxy) - propionic acid). The method uses liquid-liquid extraction with a sampling volume of 250 ml and a set volume of 1.0 ml. The detection limit of the method is 0.04 μg/L to 0.06 μg/L, and the determination limit is 0.16 μg/L to 0.24 μg/L. When using direct purification with a sampling volume of 5.0 ml and a set volume of 1.0 ml, the detection limit of the method is 0.5 μg/L to 0.8 μg/L, and the determination limit is 2.0 μg/L to 3.2 μg/L. For details, please refer to Appendix A.

Publish Date: 2022-12-12

HJ772-2022 Active

HJ772-2022 Environmental Emission Source Statistics Technical Specification for Environmental Ecological Statistics

This standard specifies the general principles and methodological requirements for the design of statistical surveys on emission sources, data collection, data aggregation and reporting, quality control, report preparation, and data publication. This standard applies to emission source statistics. Other ecological and environmental statistics may refer to this standard for implementation.

Publish Date: 2022-12-01

HJ 1266-2022 Active

HJ 1266-2022 Biological Waste Compost Pollution Control Technical Specification

This standard specifies the general requirements for pollution control of biomass waste composting, and the technical requirements for pollution control in the collection, storage, transportation, pre-treatment, and fermentation processes, as well as monitoring and environmental management requirements. This standard applies to the pollution control of the collection, storage, transportation, pre-treatment, and fermentation processes of biomass waste composting, and can be used as a technical basis for the design of environmental protection facilities, environmental impact assessments, construction and operation, environmental protection acceptance upon completion, waste discharge permit management, and cleaner production audits of biomass waste composting related construction projects.

Publish Date: 2022-11-25