SEMS was contracted to handle the closure of several surface impoundments cells located within the Polishing Lagoon System.
Surface Impoundment Closure Services Provided:
Treatment of approximately 6,000 cyds of in-situ sludge to reduce the TPH level to below 10,000 ppm
Importing and placement of 60,000 cyds of backfill materials
Construction of a 5-acre parking area
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