Formulation of cleanup standards for trace elements with probability plots |
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Authors: | Henry L Fleischhauer Nic Korte |
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Institution: | (1) UNC Geotech, P.O. Box 14000, 81502 Grand Junction, Colorado, USA;(2) Oak Ridge National Laboratory, P.O. Box 2567, 81502 Grand Junction, Colorado, USA |
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Abstract: | Probability plots of trace element concentrations may be used to partition, or segregate, sample data into its constituent
populations. Two populations are typically present in data from sites requiring remedial action, one representing clean, uncontaminated
soil or sediment (background) and the other representing contaminated ground. The use of such plots in the analysis and evaluation
of environmental data permits a statistical characterization of the background populations, from which defensible cleanup
criteria may be developed. These criteria will be environmentally conservative, yet will minimize the amount of soil removed
in a remedial action. An example is given from a successful cleanup of a surface impoundment. |
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Keywords: | Trace elements Background Contamination Statistics Cleanup |
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