The Hazardous Waste Clean-Up Information (CLU-IN)

Green remediation best management practices: pump and treat technologies

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Overview

Pump and treat (P&T) technology typically is selected in a cleanup remedy to hydraulically contain contamination and/or restore an aquifer to beneficial use. Opportunities to reduce the energy and environmental footprint of a P&T remedy, which are available during site characterization and the remedy selection, design, construction, and operation phases, rely on effective planning and continual re-evaluation of P&T operations. Options for reducing the footprint vary based on the site conditions and cleanup objectives as well as the configuration and components of a planned or existing P&T system. Effective footprint reduction activities will complement the cleanup objectives while aligning with related guidelines such as Executive Order 13514: Federal Leadership in Environmental, Energy, and Economic Performance3

P&T remedies often operate for long periods, in some cases decades due to the nature of the technology and the nature of contaminant transport in the subsurface. As a result, operation of a P&T system, compared to system construction, can contribute significantly to the energy and environmental footprint of a P&T remedy. The best opportunities typically relate to optimizing efficiency of long-term operations, particularly in terms of energy and other natural resource consumption.

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