Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB 30980-2014 Assessment procedure for marine dumping of dredged material 620.0 via email in 1~8 business day valid
GB/T 35188-2017 Determination of 131 I in marine sediment―β counting method 225.0 via email in 1~3 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method for oil-bearing wast water from marine petroleum development industry 120.0 via email in 1~3 business day superseded
GB/T 33584.5-2017 Seawater quality requirements and analysis methods for seawater cooling system. Part 5: Determination of dissolved solid 70.0 via email in 1~3 business day valid
DB21/T 2686-2016 Coastal Wetland Ecosystem Services Assessment Technical Specification via email in 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 178-2014 Determination of alkalinity in seawater using pH potentiometric titration 160.0 via email in 1~3 business day valid
HY/T 133-2010 Determination of spectral absorption coefficient of particles and dissolved material for seawater—Spectrophotometry 240.0 via email in 1~3 business day valid
HY/T 128-2010 Guideline for risk assessment of commercial marine organism quality 180.0 via email in 1~3 business day valid
GB/T 33584.3-2017 Seawater quality requirements and analysis methods for seawater cooling system -- Part 3: Determination of chloride 85.0 via email in 1~3 business day valid
HY/T 206-2016 Determination of iron, manganese,nickel,potassium,sodium,calcium and magnesium in the marine sediments and organisms—Atomic absorption spectrophotometry 255.0 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
HY/T 129-2010 Water impact assessment methods for discharge sea area of sea water multi-purpose utilization engineering 300.0 via email in 1~5 business day valid
GB/T 18420.2-2009 Biological toxicity for pollutants from marine petroleum exploration and exploitation - Part 2: Test method 200.0 via email in 1 business day valid
GB 18420.1-2009 Biological toxicity for pollutants from marine petroleum exploration and exploitation - Part 1: Grading 20.0 via email in 1 business day valid
HY/T 069-2005 specification for red tide minitoring 750.0 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
GB/T 33584.6-2017 Seawater quality requirements and analysis methods for seawater cooling system -- Part 6: Determination of heterotrophic bacteria 160.0 via email in 1~3 business day valid
HY/T 151-2013 Detection of hemolytic toxins in marine microalgae—Erythrocyte lysis assay 180.0 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
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