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MNA Frequent Question 9. What are some potential advantages of MNA?
- As with any in situ process, generation of lesser volume of remediation
wastes, reduced potential for cross-media transfer of contaminants
commonly associated with ex situ treatment, and reduced risk of human
exposure to contaminants, contaminated media, and other hazards, and
reduced disturbances to ecological receptors;
- Some natural attenuation processes may result in in-situ destruction of
contaminants;
- Less intrusion as few surface structures are required;
- Potential for application to all or part of a given site, depending on site
conditions and remediation objectives;
- Use in conjunction with, or as a follow-up to, other (active) remedial
measures; and
- Potentially lower overall remediation costs than those associated with
active remediation.
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