An alternate toxicity characteristic leaching procedure for application to thermally treated soils

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Publication Type honors thesis
School or College College of Engineering
Department Chemical Engineering
Thesis Supervisor JoAnn Lighty
Honors Advisor/Mentor A. Lamont Tyler
Creator Bagley, Jason Louis
Title An alternate toxicity characteristic leaching procedure for application to thermally treated soils
Date 1995-06
Year graduated 1995
Description The purpose of this experiment was to design a characteristic leaching procedure for metals which provided results congruent with the Toxicity Characteristic Leaching Procedure (TCLP), as proposed by the Environmental Protection Agency. When this method was applied to soils from the Advanced Combustion Engineering and Research Center (ACERC), the data on the leachate concentrations for cadmium, chromium, and lead were repeatable and did not indicate a sample size influence. The new method utilized smaller sample sizes than the EPA TCLP. To verify that this smaller sample size did not change leachate results, samples were submitted for EPA TCLP analysis to an external laboratory. These results, for the metals of interest, were consistent with ACERC analyses. The order of adsorptive selectivity of the metals was chromium > lead > cadmium, with chromium being the least likely to leach out of a soil. Errors were suspected in the overall sample digestion method, since some metal recoveries were higher than 100%
Type Text
Publisher University of Utah
Subject Hazardous waste sites - Leaching
Language eng
Rights Management (c) Jason Louis Bagley
Format Medium application/pdf
ARK ark:/87278/s6711zdc
Setname ir_htca
ID 1285397
Reference URL https://collections.lib.utah.edu/ark:/87278/s6711zdc
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