Laboratory, Field and Modeling Studies of Radon222 as a Natural Tracer for Monitoring NAPL Contamination


The recently developed natural radon tracer method has potential as a rapid, low-cost, nondestructive, and noninvasive method for quantifying NAPL contamination. In the subsurface, radon-222 (radon) is produced by the decay of naturally occurring radium-226 contained in the mineral fraction of aquifer solids. In groundwater radon occurs as a dissolved gas… (More)


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