Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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DB21/T 2686-2016 Coastal Wetland Ecosystem Services Assessment Technical Specification valid
DB21/T 2687-2016 Technical specification for alien marine microalgae minitoring valid
DB21/T 2776-2017 Technical specification for brown tide damage assessment valid
DB32/T 4344-2022 Marine sediment―Determination of oil―Ultrasonic Extraction-UV spectrophotometric method $165.00 via email in 1~3 business day valid
DB37/T 3245-2018 Technical Specification for Sea Area Appraisal valid
DB37/T 4299-2020 Determination of amantadine in seawater—Liquid chromatography tandem mass spectrometry, LC-MS/MS valid
DB37/T 4750-2024 Determination of seven triazine herbicides in seawater-Liquid chromatography-tandem mass spectrometry valid
GB 18420.1-2001 Biological toxicity grading for pollutant from marine petroleum exploration and exploitation $224.00 via email in 1~3 business day abolished
GB 18420.1-2009 Biological toxicity for pollutants from marine petroleum exploration and exploitation - Part 1: Grading $60.00 immediately valid
GB 30980-2014 Assessment procedure for marine dumping of dredged material $660.00 via email in 1~5 business day valid
GB/T 17923-1999 Analysis method for oil-bearing wast water from marine petroleum development industry $120.00 via email in 1~3 business day superseded
GB/T 18420.2-2001 Biological toxicity inspection method for pollutant from marine petroleum exploration and exploitation $250.00 via email in 1~3 business day abolished
GB/T 18420.2-2009 Biological toxicity for pollutants from marine petroleum exploration and exploitation - Part 2: Test method $200.00 immediately valid
GB/T 20259-2006 Chemical analysis methods for marine polymetallic nodules $750.00 via email in 1~3 business day valid
GB/T 20260-2006 Chemcial analysis methods for marine sediment $450.00 via email in 1~3 business day valid
GB/T 21247-2007 Specifications for identification system of spilled oils on the sea $510.00 via email in 1~3 business day valid
GB/T 26411-2010 Determination of 16 polynuclear aromatic hydrocarbons in seawater by GC-MS $240.00 via email in 1~3 business day valid
GB/T 30738-2014 Determination of radionuclide in marine sediment—Gamma spectrometry $300.00 via email in 1~5 business day valid
GB/T 30739-2014 Determination of n-alkanes in marine sediment—Gas chromatography-mass spectrometry $220.00 via email in 1~3 business day valid
GB/T 30740-2014 Determination of total organic carbon in marine sediment—Nondispersive infrared absorption $160.00 via email in 1~3 business day valid
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