Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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DB46/T 521-2020 Specification for Hazardous Chemical Installations Auditable Protection Layers Management via email in business day valid
DB46/T 522-2020 Determination method of external safety distance for chemical industry park(concentration area) and hazardous chemicals production units and storage installations via email in business day valid
DB46/T 523-2020 Guidelines for Hazardous Chemical Enterprise Developing Specific Emergency Response Plan Based on Scenarios via email in business day valid
DB46/T 525-2021 Code for Fire Safety Assessment of Important Venues in Hainan Province via email in business day valid
DB46/T 526-2021 Fire safety requirements for electric bicycle parking and charging place via email in business day superseded
DB46/T 526-2025 Fire safety requirements for electric bicycle parking and charging place via email in business day valid
DB46/T 527-2021 Technical specification for inspection of building fire protection facility via email in business day valid
DB46/T 528-2021 Fire safety management of school via email in business day valid
DB46/T 592.1-2023 Hainan province emergency management safety production data standard-Part 1: Resource directory via email in business day valid
DB46/T 592.2-2023 Hainan province emergency management safety production data standard-Part 2: Data element via email in business day valid
DB46/T 592.3-2023 Hainan province emergency management safety production data standard Part 3: Code set via email in business day valid
DB46/T 614-2023 Fire control safety management specification of petrochemical enterprises via email in business day valid
DB46/T 620.2-2024 Specification for the construction of ecological civilized villages―Part 2：Tropical rainforest protection via email in business day valid
DB46/T 624-2024 Code for safety maintenance service of ammonia refrigerating system via email in business day valid
DB46/T 638-2024 Water quality-Determination of neonicotinoids-Liquid chromatography-quadrupole mass spectrometry via email in business day valid
DB46/T 639-2024 Soil and sediment-Determination of Cr(VI)-Alkaline digestion-Ion chromatography with post-column method via email in business day valid
DB46/T 640-2024 Water quality-Determination of 9 nitrosamines-Gas chromatography-triple quadrupole mass spectrometry via email in business day valid
DB46/T 641-2024 Determination of fume pollutants-Portable laser scattering method via email in business day valid
DB46/T 664-2025 Technical specification for water ecological monitoring and evaluation via email in business day valid
DB46/T 687-2025 Environmental background values of soil via email in business day valid
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