Cleanup – Under Slab
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Drilling Contractor set up to drill to a depth of 20 feet below the concrete surface
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The soil and groundwater under the building was contaminated with BETX, DDT, Malathion and other pesticides
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Soil was cored and registered at the depth groundwater was encountered which was 16 feet
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The impervious layer of clay was encountered at twenty feet
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Soil cores were sampled at every four feet to determine scope of contamination
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4 4
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OSEI Corp. put in monitoring wells not only so that continuous sampling would be possible, but also so OSE II could be applied
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5 drums of OSE II were set up on a slow continuous feed into the monitoring wells
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OSE II was applied by a continuous slow feed because the wells could only take in so much liquid for a given time period
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In less than 30 days the groundwater and soil under the building were reduced to acceptable cleanup levels
