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  Seminars: Monitored Natural Attenuation for Ground Water (EPA/625/K-98/001) September 1998

The scientific understanding of natural attenuation processes continues to evolve rapidly. EPA recognizes that significant advances have been made in recent years, but there is still a great deal to be learned regarding the mechanisms governing natural attenuation processes and their ability to address different types of contamination problems.

The term "monitored natural attenuation" refers to the reliance on natural attenuation processes (within the context of a carefully controlled and monitored site cleanup approach) to achieve site-specific remedial objectives within a time frame that is reasonable compared to that offered by other more active methods.

See Also

OSWER Directive 9200.4-17 Exit EPA Disclaimer

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