Environmental
What is 'natural attenuation' in environmental remediation and how does it apply in Illinois?
AThe natural reduction of property values due to environmental stigma
BThe natural processes (biodegradation, dilution, volatilization) that reduce contamination concentrations over time without active intervention✓ Correct
CAn Illinois EPA process for forgiving environmental violations
DThe natural cleanup of wetlands through seasonal flooding
Explanation
Natural attenuation (or monitored natural attenuation) uses natural biological, chemical, and physical processes to reduce contamination in soil and groundwater. These processes include biodegradation by microbes, dilution, dispersion, and volatilization.
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