Environmental

In Tennessee, which of the following best describes a 'monitored natural attenuation' (MNA) site?

AA site where no contamination has been found
BA contaminated site where natural processes are reducing contaminants to acceptable levels under TDEC oversight✓ Correct
CA site that has received a certificate of environmental cleanliness
DA site where remediation is complete and no monitoring is needed

Explanation

MNA sites rely on documented natural processes to reduce contamination, monitored by TDEC to confirm that cleanup is progressing at an acceptable rate without active remediation.

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