attenuation

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Related to Natural attenuation: bioremediation
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The soil could thus have provided long-term protection for the groundwater by natural attenuation as a result of unsaturated zone thickness, high clay content and low permeability.
Natural Attenuation of Fuels and Chlorinated Solvents in the Subsurface (New York: John Wiley and Sons, 1999), 213-18.
This result indicated that these bioremediation strategies conferred no additional enhancing effect of hydrocarbon degradation compared with natural attenuation.
8m) experiments were conducted to study contaminant transport and natural attenuation within the sand tank.
The objective of this study was to evaluate the effects of using natural attenuation as a remedial option on landfill leachate.
The hottest trend is less cleanup, which means more reliance on non-technological solutions such as natural attenuation, deed restrictions, and institutional controls," says Cornell.
were instrumental in explaining why natural attenuation was ineffective.
Natural attenuation is gaining increasing attention as a nonintrusive, cost-effective alternative to standard remediation techniques for environmental contamination.
This allows a natural attenuation area where contamination can be monitored as nature takes its course in naturally reducing the contamination.
Cleanup options would include "containment, treatment, institutional controls, natural attenuation, or a combination of these alternatives" so long as the cleanup is protective of human health and the environment.
This meant that an optical communications system had to be powerful enough to overcome natural attenuation, otherwise it would be useful only under very benign atmospheric conditions.