T/CHIDA 203.3-2021
Classification and grading standards for contaminated soil from environmental protection dredging in inland rivers and lakes and reservoirs (English Version)
- Standard No.
- T/CHIDA 203.3-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/CHIDA 203.3-2021
- Scope
- 1. Classification of environmentally friendly dredged contaminated soil Environmentally friendly dredged contaminated soil is classified according to nutrients, heavy metals, toxic and harmful organic matter, and composite pollution types and impact pathways: nutrient salt contaminated soil, heavy metal contaminated soil, toxic and harmful organic matter pollution soil and composite contaminated soil. 2. Pollution classification of environmentally friendly dredged contaminated soil. Study the physical, mechanical and chemical index characteristics of environmentally friendly dredged contaminated soil. Classify the degree of pollution of contaminated soil based on the Nemerow pollution index and evaluation standards. Classify the ecology of sediment pollutants based on the Hakanson ecological risk index method. Risk degree; use the biological toxicity index method to classify toxic and harmful organic matter pollution levels.
T/CHIDA 203.3-2021 history
- 2021 T/CHIDA 203.3-2021 Classification and grading standards for contaminated soil from environmental protection dredging in inland rivers and lakes and reservoirs
