Standards

HJ 1298-2023 Active

HJ 1298-2023 Guidance for the Prevention and Control of Water Pollution in the Electronic Industry: Feasible Technologies

This standard proposes feasible technologies for preventing and controlling water pollution in the electronics industry. This standard can be used as a reference for environmental impact assessments of electronics industry enterprises or production facility construction projects, as well as centralized wastewater treatment facilities in the electronics industry; for the revision of national pollutant discharge standards; for the management of discharge permits; and for the selection of water pollution prevention and control technologies.

Publish Date: 2023-06-07

HJ 1296-2023 Active

HJ 1296-2023 Water Ecology Monitoring Techniques Guideline: Monitoring and Evaluation of Aquatic Life in Lakes and Reservoirs (Trial)

This standard specifies the technical content of aquatic biological monitoring point layout and monitoring frequency, monitoring methods, quality assurance and quality control, evaluation methods, etc. in the water ecological monitoring of lakes and reservoirs (hereinafter referred to as lakes and reservoirs). This standard is applicable to the monitoring and evaluation of aquatic organisms in lakes and reservoirs.

Publish Date: 2023-04-20

HJ 1295-2023 Active

HJ 1295-2023 Water Ecological Monitoring Technical Guidelines: River Aquatic Biota Monitoring and Evaluation (Trial)

This standard specifies the technical content of aquatic organism monitoring site layout and monitoring frequency, monitoring methods, quality assurance and quality control, evaluation methods, etc. in the water ecological monitoring of rivers (excluding estuaries). This standard is applicable to the monitoring and evaluation of aquatic organisms in rivers.

Publish Date: 2023-04-20

HJ 1294-2023 Active

HJ 1294-2023 Ecological protection red line supervision data interconnection interface technical specification

This standard specifies the overall framework, data requirements, interface call process, and development requirements for the interconnectivity of ecological protection red line monitoring data. This standard is applicable to regulating and guiding the design of application program interfaces, functional development, and operational management of ecological protection red line monitoring data interconnectivity between national and provincial-level ecological environment departments. County and municipal-level ecological environment departments may refer to and implement it accordingly.

Publish Date: 2023-04-15

HJ 1293-2023 Active

HJ 1293-2023 Guidance for Efficient Technologies to Control Environmental Pollution in Pesticide Manufacturing Industry, HJ 1293-2023

This standard proposes feasible technologies for preventing and controlling wastewater, waste gas, solid waste, and noise pollution in the pesticide manufacturing industry. This standard can be used as a reference for environmental impact assessments of pesticide manufacturing enterprises or production facility construction projects, as well as for centralized wastewater treatment facilities in the pesticide manufacturing industry. It can also be used for the revision of national pollutant discharge standards, the management of pollution discharge permits, and the selection of pollution prevention and control technologies. Intermediate product production enterprises in pesticide production can refer to this standard for pollution prevention and control.

Publish Date: 2023-03-09

HJ 1292-2023 Active

HJ 1292-2023 Guidelines for the Prevention and Control of Atmospheric Pollution in the Foundry Industry

This standard proposes feasible technologies for air pollution prevention and control in the foundry industry. This standard can be used as a reference for environmental impact assessments of construction projects in foundry industry enterprises, the revision of national pollutant discharge standards, the management of pollution discharge permits, and the selection of pollution prevention and control technologies. This standard is not applicable to air pollution prevention and control in blast furnaces, sintering, pelletizing, and recycling non-ferrous metal smelting processes within foundry enterprises.

Publish Date: 2023-03-06

HJ 1291-2023 Active

HJ 1291-2023 Surface Water Environmental Quality Monitoring Point Code Rule

This standard specifies the coding methods and rules for the coding of routine monitoring points for surface water environmental quality. This standard is applicable to the coding of routine monitoring points for surface water (rivers, lakes, reservoirs, and canals) environmental quality by ecological and environmental departments at all levels across the country, as well as the collection, transmission, storage, processing, and services of information related to these monitoring points.

Publish Date: 2023-02-09

HJ 1290-2023 Active

HJ 1290-2023 Determination of Toxaphene in Soil and Sediment by Gas Chromatography-Triple Quadrupole Mass Spectrometry

This standard specifies the gas chromatography-triple quadrupole mass spectrometry method for the determination of toxaphene in soil and sediments. This standard is applicable to the determination of three indicative toxaphene congeners P26, P50, and P62 in soil and sediments (see Appendix A). When the sampling quantity is 10.0 g and the set volume is 20 μL, the detection limits of the three indicative toxaphene methods are all 0.003 μg/kg, and the determination limits are all 0.012 μg/kg.

Publish Date: 2023-02-09

HJ 1289-2023 Active

HJ 1289-2023 Determination of 15 ketones and 6 ether compounds in soil and sediment using headspace/gas chromatography-mass spectrometry

This standard specifies the headspace/gas chromatography-mass spectrometry method for the determination of 15 ketones and 6 ethers in soil and sediments. This standard is applicable to the determination of ethyl ether, acetone, methyl tert-butyl ether, diisopropyl ether, ethyl tert-butyl ether, 2-butanone, methyl pentyl ether, 2-pentanone, ethyl pentyl ether, 3-pentanone, methyl tert-butyl ketone, 4-methyl-2-pentanone, 2-hexanone, cyclopentanone, 3-heptanone, 2-heptanone, cyclohexanone, 6-methyl-2-heptanone, diisobutyl methyl ketone, 3-octanone, and 2-octanone in soil and sediments. When the sampling quantity is 2.0 g, the headspace vial volume is 22 ml, and the saturated sodium chloride solution volume is 10 ml, the method detection limits for 15 ketones and 6 ethers are 0.1 mg/kg to 2 mg/kg, and the determination lower limits are 0.4 mg/kg to 8 mg/kg.

Publish Date: 2023-02-09

HJ 1288-2023 Active

HJ 1288-2023 HJ 1288-2023 Water quality Determination of acrylic acid by ion chromatography

This standard specifies the ion chromatography method for determining acrylic acid in water. This standard is applicable to the determination of acrylic acid in surface water, groundwater, domestic sewage, and industrial wastewater. When the sample injection volume is 25 μL, the method's detection limit is 0.08 mg/L, and the determination limit is 0.32 mg/L.

Publish Date: 2023-02-09

HJ 1287-2023 Active

HJ 1287-2023 HJ 1287-2023 Emission of gaseous pollutants from stationary sources: Determination of black smoke using the Ringelin telescope method

This standard specifies the Lingeman telescope method for determining the smoke blackness in the exhaust gas of fixed pollution sources. This standard is applicable to the determination of the blackness of gray or black smoke emitted by fixed pollution sources at the emission outlets, but it is not applicable to the determination of the blackness of smoke of other colors.

Publish Date: 2023-02-09

HJ 1286-2023 Active

HJ 1286-2023 Non-methane volatile organic compounds (NMVOCs) continuous monitoring technical specifications for fixed pollution sources

This standard specifies the composition and functions, technical performance, monitoring station buildings, installation, technical indicator debugging and testing, technical acceptance, daily operation and maintenance, quality assurance and quality control, as well as data review and processing of continuous monitoring systems for non-methane hydrocarbons and related waste gas parameters from fixed pollution sources. This standard applies to continuous monitoring systems for non-methane hydrocarbons from fixed pollution sources that use hydrogen flame ionization detectors (FID).

Publish Date: 2023-02-09