Standards

HJ 1221-2021 Active

HJ 1221-2021 Environmental air: Determination of dust fall using weight method

This standard specifies the gravimetric method for measuring dustfall in ambient air. This standard is applicable to the measurement of dustfall in ambient air. The detection limit of the dustfall measured by this standard is 0.3 t/km2 in 30 days, and the measurement lower limit is 1.2 t/km2 in 30 days.

Publish Date: 2021-12-16

HJ 1220-2021 Active

HJ 1220-2021 Determination of Six Volatile Carboxylic Acid Compounds in Ambient Air by Gas Chromatography-Mass Spectrometry

This standard specifies the gas chromatography-mass spectrometry method for determining six volatile carboxylic acid compounds in ambient air. This standard is applicable to the determination of six volatile carboxylic acid compounds, including acetic acid, propionic acid, n-butyric acid, acrylic acid, isovaleric acid, and n-pentanoic acid, in ambient air and air at unorganized emission monitoring points. When the sampling volume is 60 L (at standard conditions) and the concentrated and diluted volume is 1.0 ml, the method's detection limit is 0.2 μg/m3 to 7 μg/m3, and the determination limit is 0.8 μg/m3 to 28 μg/m3. For details, see Appendix A.

Publish Date: 2021-12-16

HJ 1219-2021 Active

HJ 1219-2021 Environmental air and waste gas: Determination of pyridine by gas chromatography

This standard specifies the gas chromatography method for determining pyridine in ambient air and waste gas. This standard is applicable to the determination of pyridine in ambient air, air from unorganized emission monitoring points, and waste gas from organized emissions of fixed pollution sources. When collecting ambient air and air from unorganized emission monitoring points with a sampling volume of 30 L and an absorption solution volume of 10 ml, the method's detection limit is 0.02 mg/m3 and the determination limit is 0.08 mg/m3; when collecting waste gas from organized emissions of fixed pollution sources with a sampling volume of 30 L and an absorption solution volume of 50 ml, the method's detection limit is 0.09 mg/m3 and the determination limit is 0.36 mg/m3.

Publish Date: 2021-12-16

HJ 1218-2021 Active

HJ 1218-2021 EIA Technical Guidelines for Environmental Impact Assessment of River Basin Comprehensive Planning

This standard stipulates the evaluation principles, work procedures, key contents, main methods, and requirements for the environmental impact assessment of comprehensive basin planning. This standard applies to the environmental impact assessments of comprehensive basin plans (including amendments) organized by relevant departments of the State Council, basin management agencies, local people's governments at or above the municipal level, and their relevant departments. Basin-specific plans or special plans may refer to this standard for implementation.

Publish Date: 2021-12-08

HJ 1216-2021 Active

HJ 1216-2021 Water quality: Estimation of planktonic plants using 0.1 ml counting frame - Microscopic counting method

This standard specifies the 0.1 ml counting frame-microscope counting method for measuring phytoplankton in water. This standard is applicable to the determination of phytoplankton density in surface water. When the sample is concentrated 50 times, the detection limit of the diagonal counting method is 9.2×103 cells/L; the detection limit of the row-column counting method is 3.0×103 cells/L; the detection limit of the full-slide counting method is 9.2×102 cells/L; and the detection limit of the random field counting method is related to the number of observed fields and the area of the microscope field, which is calculated according to Appendix A.

Publish Date: 2021-11-29

HJ 1215-2021 Active

HJ 1215-2021 HJ 1215-2021 Water quality: Determination of phytoplankton - Filter membrane-microscopic counting method

This standard specifies the filter membrane-microscopy counting method for determining phytoplankton in water. This standard is applicable to the rapid determination of phytoplankton in surface water. When the maximum filtration volume of the sample is 1000 ml, the method's detection limit is 40 cells/L. The method of calculating the detection limit is detailed in Appendix A.

Publish Date: 2021-11-29

HJ 1214-2021 Active

HJ 1214-2021 Water quality: Determination of water-soluble organic halogens (AOX) by micro-coulometry

This standard specifies the microcoulometry method for determining organic halides (excluding organic fluorides) adsorbed on activated carbon in water. This standard is applicable to the determination of adsorbable organic halides in surface water, groundwater, domestic sewage, and industrial wastewater. The determination results of this standard include the adsorbable organic halides in water samples. When the sampling volume is 100 ml, the detection limit of this method is 0.007 mg/L, and the determination limit is 0.028 mg/L.

Publish Date: 2021-11-29

HJ 1213-2021 Active

HJ 1213-2021 Warm water discharge satellite remote sensing monitoring technology specification for offshore nuclear power plants (trial version)

This standard specifies the technical process and methods for remote sensing monitoring of thermal infrared of warm discharge water from coastal nuclear power plants. This standard is applicable to the supervisory monitoring of the thermal impact of surface seawater caused by warm discharge water from coastal nuclear power plants. The monitoring of the thermal impact caused by the discharge of industrial water into water bodies can be carried out in accordance with this standard.

Publish Date: 2021-11-26

HJ 1212-2021 Active

HJ 1212-2021 The method for measuring radon in ambient air

This standard specifies four commonly used methods for measuring radon in ambient air, namely the track etching method, the activated carbon box method, the pulse ionization chamber method, and the electrostatic collection method. This standard is applicable to the determination of radon concentrations in ambient air, including outdoor environments and indoor environments.

Publish Date: 2021-11-26

HJ 256-2021 Active

HJ 256-2021 Construction Project Acceptance Technical Specification for Environmental Protection Facilities - Cement Industry

This standard specifies the work procedures and general requirements for the acceptance of environmental protection facilities of construction projects in the cement industry, and puts forward technical requirements for initiating acceptance, self-inspection of acceptance, preparing an acceptance monitoring plan, implementing acceptance monitoring and inspection, and preparing an acceptance monitoring report (form). This standard applies to the acceptance of environmental protection facilities of construction projects in the cement industry. It also applies to the acceptance of environmental protection facilities of construction projects for the co-processing of hazardous waste, municipal solid waste (including waste plastics, waste rubber, waste paper, waste tires, etc.), urban and industrial wastewater treatment sludge, animal and plant processing waste, contaminated soil, and waste from emergency events. The acceptance of environmental protection facilities of construction projects for the mining of cement raw materials and other ecological impact projects shall be carried out in accordance with HJ/T 394. For other content not specified in this standard, refer to the "Technical Guidelines for Environmental Protection Acceptance of Construction Projects - Pollution Impact Category" (Announcement No. 9 of 2018 by the Ministry of Ecology and Environment) and its annexes for implementation.

Publish Date: 2021-11-25

HJ 254-2021 Active

HJ 254-2021 Annual inspection and acceptance technical specification for environmental protection facilities of construction projects - Electrolytic aluminum and aluminum-using graphite industry

This standard specifies the work procedures and general requirements for the acceptance of environmental protection facilities of electrolytic aluminum and aluminum carbon industry construction projects upon completion. It proposes technical requirements for initiating acceptance, conducting self-inspection of acceptance, preparing an acceptance monitoring plan, implementing acceptance monitoring and inspection, and preparing an acceptance monitoring report (form). This standard applies to the acceptance of environmental protection facilities of electrolytic aluminum and aluminum carbon industry construction projects upon completion. For self-owned thermal power generating units (plants) in electrolytic aluminum and aluminum carbon industry construction projects, the acceptance of environmental protection facilities shall be carried out in accordance with HJ/T 255. For other content not specified in this standard, it shall be implemented in accordance with the "Technical Guidelines for Environmental Protection Acceptance of Construction Projects - Pollution Impact Category" (Announcement No. 9 of 2018 by the Ministry of Ecology and Environment).

Publish Date: 2021-11-25

HJ 408-2021 Active

HJ 408-2021 HJ 408-2021 Environmental Protection Facilities Acceptance Technical Specification for Project Completion in Paper Industry

This standard specifies the work procedures and general requirements for the acceptance of environmental protection facilities of completed construction projects in the paper industry, and proposes technical requirements for initiating acceptance, self-inspection during acceptance, preparing an acceptance monitoring plan, implementing acceptance monitoring and inspection, and preparing an acceptance monitoring report (form). This standard applies to the acceptance of environmental protection facilities of completed construction projects in the paper industry. For completed environmental protection facilities of self-owned thermal power generators (plants) in paper industry construction projects, the acceptance work shall be carried out in accordance with HJ/T 255. For other content not specified in this standard, the implementation shall be in accordance with the "Technical Guidelines for Environmental Protection Acceptance of Completed Construction Projects - Pollution Impact Category" (Announcement No. 9 of 2018 by the Ministry of Ecology and Environment).

Publish Date: 2021-11-25