Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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HJ 1391-2024 Stationary source emission―Determination of 9 haloacetic acids― Gas chromatography method via email in business day to be valid
HJ 1392-2024 Ambient air and waste gas―Determination of trifluoromethane，tetrafluoromethane，hexafluoroethane and sulfur hexafluoride―Gas chromatography-mass spectrometry via email in business day to be valid
HJ 1393-2024 Technical specifications for ambient air quality automated monitoring for NH3 and H2S via email in business day to be valid
HJ 1394-2024 Technical specifications and test procedures for ambient air quality automated monitoring system for NH3 and H2S via email in business day to be valid
HJ 1395-2024 Water quality―Determination of 17 heterocyclic pesticides― High performance liquid chromatography via email in business day to be valid
HJ 1396-2024 Water quality―Determination of water temperature―Sensor method via email in business day to be valid
HJ 1397-2024 Water quality―Determination of strontium―Flame atomic absorption spectrophotometry via email in business day to be valid
HJ 1398-2024 Water quality―Determination of 18 sulfonamides and trimethoprim―High performance liquid chromatography?triple quadrupole mass spectrometry via email in business day to be valid
HJ 1399-2024 Water quality―Determination of 17 fluoroquinolone antibiotics― High performance liquid chromatography?triple quadrupole mass spectrometry via email in business day to be valid
HJ 14-1996 Principle and technical methods for regionalizing ambient air quality function $140.00 via email in 1~3 business day valid
HJ 1400-2024 Technical requirements and test procedures for water quality automated monitors of copper via email in business day to be valid
HJ 1401-2024 Technical requirements and test procedures for water quality automated monitors of nickel via email in business day to be valid
HJ 1402-2024 Technical specification for automatic monitoring of construction noise via email in business day to be valid
HJ 1403-2024 Technical specifications for automated monitoring of carbon monoxide and hydrogen chloride for stationary source emission via email in business day to be valid
HJ 1404-2024 Technical requirements for communication protocol of surface water automated monitoring system via email in business day to be valid
HJ 1405-2024 Technical specification for measurement site setting of pollutant discharge outlet of pollutant discharge unit via email in business day to be valid
HJ 1406-2024 Technical guideline for supervision and management of sewage outfalls into environmental water bodies―Technical guideline for demonstration of setting up sewage outfalls into sea via email in business day valid
HJ 1407-2024 Technical guideline for supervision and management of sewage outfalls into environmental water bodies―Source tracing of aqueous fluorescence fingerprint methods via email in business day valid
HJ 1409-2025 Technical guidelines for environmental impact assessment ―Marine ecology and environment via email in business day valid
HJ 1410.1-2025 Basic dataset of derivation of water quality criteria for aquatic organisms ― Part 1：General principles $350.00 via email in 1~5 business day valid
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