GB/T 24040-2008
Active
T/CSES 22-2021
Active
Group standards
T/CSES 22-2021 Ecological Risk Assessment Techniques for the Comprehensive Pollution of Chemical Contaminants in Water Environment
T/CSES 22-2021 Ecological Risk Assessment Techniques for the Comprehensive Pollution of Chemical Contaminants in Water Environment
Price:
$ 20.00
Basic Information
Standard Code:
T/CSES 22-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Environmental protection
ICS Name:
Environment management
Publish Date:
2021-07-15
Implement Date:
2021-07-15
Scope
Main technical content: In response to the development and promotion needs of China's water ecological risk assessment system under complex pollution conditions, a water environmental complex pollution risk assessment framework based on the characterization of complex pollution risk levels and the identification of key toxic pollutants is established. The framework comprehensively considers the adverse effects of water environmental samples on aquatic organisms and their exposure concentrations, and combines the commercial value method and evidence weighting method to conduct qualitative and quantitative assessments of the effects and exposure results, and identifies the key toxic pollutants to promote China's water pollution prevention and control and risk management work. The specific technical content includes: (1) Scope; (2) Normative reference documents; (3) Terminology and definitions; (4) Assessment principles and procedures; (5) Assessment initiation; (6) Characterization of complex pollution exposure levels; (7) Characterization of complex pollution biological effects; (8) Characterization of complex pollution risk levels; (9) Identification of key toxic pollutants; (10) Uncertainty analysis; (11) Report preparation; (12) Appendix A - Combined assessment method of biological exposure from in situ passive sampling; (13) Appendix B - Method for assessing the toxicity of sediments; (14) Appendix C - Effect-oriented analysis method; (15) Appendix D - Case study of ecological risk assessment of complex pollution using evidence weighting method
Development Information
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