Radius of Influence

Meaning, Term, and Glossary Definition - What is Radius of Influence?

1. The radial distance from the center of a wellbore to the point where there is no lowering of the water table or potentiometric surface (the edge of the cone of depression); 2. the radial distance from an extraction well that has adequate air flow for effective removal of contaminants when a vacuum is applied to the extraction well.

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Related glossary terms:

Area of Review   Association of Boards of Certification   Characterization of Ecological Effects   Characterization of Exposure   Chlorofluorocarbons CFCs   Circle of Influence   Code of Federal Regulations CFR   Coefficient of Haze COH   Cone of Depression   Cone of Influence   

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