Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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DB21/T 2523-2015 Code for treatment of mining geological environment via email in business day valid
DB21/T 2686-2016 Coastal Wetland Ecosystem Services Assessment Technical Specification via email in business day valid
DB21/T 2687-2016 Technical specification for alien marine microalgae minitoring via email in business day valid
DB21/T 2776-2017 Technical specification for brown tide damage assessment via email in business day valid
DB31/T 1112-2018 Guidelines for green exhibition operation 165.0 via email in 1~3 business day valid
DB32/T 4082-2021 Technical specification of basic environment for ecological restoration of coal mining subsidence via email in business day valid
DB33/T 558-2005 Safety standard for environment quality for Zhejiang production area 150.0 via email in 1~3 business day valid
DB33/T 969-2015 Technical requirements for cleaner production audit via email in business day valid
DB37/ 3161-2018 Emission standard of volatile organic compounds and odor pollutants for wastewater treatment plant of organic chemical industrial enterprises via email in business day valid
DB37/T 3393-2018 Technical guidlines for envrionmental protection in constructed wetland for water purification engineering for check and accept of completed construction project via email in business day valid
DB37/T 3394-2018 Technical guide of Constructed Wetland Water Purification System via email in business day valid
DB37/T 3643-2019 Technical Guidelines for the Personal Certificate Evaluation of Ecological Environmental Remote Sensing Monitoring via email in business day valid
DB37/T 4332-2021 Technical specifications for water ecological conservation by aquatic ecological investigation and making releasing plan 150.0 via email in 1~3 business day valid
DB37/T 4338-2021 Technical specifications for construction site of particulate matter(PM10) and noise online monitoring system 180.0 via email in 1~3 business day valid
DB43/T 970-2014 via email in business day valid
DG5329/T 26-2014 via email in business day valid
DG5329/T 27-2014 via email in business day valid
DG5329/T 28-2014 via email in business day valid
DG5329/T 29-2014 via email in business day valid
DG5329/T 30-2014 via email in business day valid


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