Performance Comparison: Direct-Push Wells Versus Drilled Wells

reportActive / Technical Report | Accession Number: ADA398555 | Open PDF

Abstract:

A comparison between ground water monitoring alternatives direct-push installed monitoring wells and drilled monitoring wells is being conducted on the leading edge of a methyl tertiary butyl ether MTBE plume located in a shallow semi-perched aquifer saturated thickness extending 9 to 22 feet 2.7 to 6.7 meters below ground surface. The purpose of this effort is to determine whether direct-push wells compare favorably with conventional hollow stem auger HAS drilled wells. To make this determination, ground water samples were extracted from numerous adjacent direct-push and HAS installed wells over several sampling events. Analysis of variance ANOVA statistical techniques were applied to the resulting chemical data to differentiate between the variability attributed to well type, temporal, and spatial factors.

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