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INTERPRETING TRACER DATA TO FORECAST REMEDIAL PERFORMANCE
Citation:
Enfield*, C G., A L. Wood*, M. C. Brooks, AND M. D. Annable. INTERPRETING TRACER DATA TO FORECAST REMEDIAL PERFORMANCE. S. Thornton & S. Oswald (ed.), Groundwater Quality. Sheffield, S1 3JD, UK, 119-121, (2001).
Description:
The cost of remediating sites contaminated with organics is high. Prior to investing in remedial technologies, decision makers want to know the benefits, both short term and long term, which will be derived from a proposed remedial activity. Recent studies have shown significant mass removals by a number of technologies, suggsting that mass removal is technically practicable. Most of these studies have been performed in relatively small controlled test cells and do not permit direct assessment of the benefits in terms of mass flux reduction down gradient from the test area. This presentation investigates the potential use of tracers to estimate the heterogeneity of a flow field being remediated and the mass and distribution of a non-aqueous phase liquid (NAPL) within the flow field. The effects of the heterogeneity and NAPL distribution on the short-term performance of the remedial system are evaluated.