Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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HY/T 178-2014 Determination of alkalinity in seawater using pH potentiometric titration 170.0 via email in 1~3 business day valid
GB 30980-2014 Assessment procedure for marine dumping of dredged material 620.0 via email in 1~8 business day valid
GB/T 17923-1999 Analysis method for oil-bearing wast water from marine petroleum development industry 120.0 via email in 1~3 business day valid
HY/T 086-2005 eco-environmental assessment guidance for terrestrial pollution source and near sea area 150.0 via email in 1~3 business day valid
HY/T 169-2013 Test method for bromide ion in seawater and brine-Volumetric analysis 180.0 via email in 1~3 business day valid
DB21/T 2776-2017 Technical specification for brown tide damage assessment via email in business day valid
HY/T 069-2005 specification for red tide minitoring 750.0 via email in 1~3 business day valid
GB/T 18420.2-2001 Biological toxicity inspection method for pollutant from marine petroleum exploration and exploitation 255.0 via email in 1~3 business day abolished
GB/T 30742-2014 Determination of total carbon in ocean atmospheric dry deposition—Nondispersive infrared absorption spectrometry 170.0 via email in 1~3 business day valid
DB21/T 2687-2016 Technical specification for alien marine microalgae minitoring via email in business day valid
GB/T 20260-2006 Chemcial analysis methods for marine sediment 450.0 via email in 1~3 business day valid
GB/T 30739-2014 Determination of n-alkanes in marine sediment—Gas chromatography-mass spectrometry 230.0 via email in 1~3 business day valid
GB/T 30741-2014 Determination of total sulfur in ocean atmospheric dry deposition—Nondispersive infrared absorption spectrometry 170.0 via email in 1~3 business day valid
GB/T 26411-2010 Determination of 16 polynuclear aromatic hydrocarbons in seawater by GC-MS 240.0 via email in 1~3 business day valid
GB/T 21247-2007 Specifications for identification system of spilled oils on the sea 510.0 via email in 1~3 business day valid
GB 18420.1-2001 Biological toxicity grading for pollutant from marine petroleum exploration and exploitation 75.0 via email in 1~3 business day abolished
GB/T 30740-2014 Determination of total organic carbon in marine sediment—Nondispersive infrared absorption 170.0 via email in 1~3 business day valid
GB/T 20259-2006 Chemical analysis methods for marine polymetallic nodules 750.0 via email in 1~3 business day valid
HY/T 177-2014 Determination of sulfate-reducing bacteria in seawater—MPN method 180.0 via email in 1~3 business day valid
HY/T 095-2007 Technical guidelines for ecological damage assessment on marine oil spill 375.0 via email in 1~3 business day valid
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