Soil_Remediation_part1
Soil Remediation Quiz
Test your knowledge about soil remediation and pollutant management! This quiz covers various aspects of soil contamination, heavy metals, and organic pollutants, ensuring you're well-informed on critical environmental issues.
Key Topics Include:
- Trigger values and precautionary measures
- Effects of heavy metals and organic pollutants
- Impact assessments and bioassays
Trigger value
Below this value, no concern for a harmful soil change exists
Above this value, investigation is needed
Above this values, measures are required
Cadmium is
An element with no evidence of nutritive role, but with negative evidence
An element with no evidence of nutritive role, but can have beneficial impact on organisms
A micronutrient
For which soil texture type will the precautionary value (BBodSchV) for heavy metals be the highest
Sandy soil
Loamy soil
Clayey soil
For polycyclic aromatic hydrocarbons (PAH), the precautionary value (BBodSchV) will be the lowest for
High organic matter content
Low organic matter content
It does not matter
In former water disposals, heavy metals are generally
Not the main problem
The main problem
Not a problem
In mining areas (for lignite extraction), the main direct problem related to pollution is
Heavy metals
Organic contaminants
Acidification issues
Priority pollutants are
Pollutants that occur frequently and in high concentrations
Pollutants that occur in high concentrations
Pollutants that occur frequently, in high concentrations and are toxicologically relevant
How can be defined the migration potential of an organic pollutant?
Using its mobility and sorption potential
Using its transfer and persistence potential
Using its mobility and persistence potential
Bioassays are useful to
To identify which substances are present in my soil
To estimate the impact of unknown pollutants on the ecosystem
Replace chemical analyses
To evaluate the availability of a heavy metal in soil, I can use
Total soil extraction with acids
Gas chromatography analyses
Leaching tests
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