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Roadway Maintenance Yard for DOT

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Project Description

Hart & Hikman is using low-flow air sparing in partially weathered bedrock to mitigate a groundwater plume that is impacting a stream above surface water quality standards. The low-flow air sparing is resulting in contaminant stripping and increased bioremediation by adding dissolved oxygen to groundwater. In the past, H&H has installed approximately ten air sparging and vapor extraction systems for DOT.