Record Display for the EPA National Library Catalog

RECORD NUMBER: 7 OF 94

Main Title Analytical Methods Evaluation for Applicability in Leachate Analysis.
Author DeWalle, Foope B. ; Zeisig, Theodore ; Sung, John F. C. ; Norman, Donald M. ; Hatlen, Jack B. ;
CORP Author Washington Univ., Seattle. Dept. of Environmental Health.;Municipal Environmental Research Lab., Cincinnati, OH.
Year Published 1981
Report Number EPA-R-804883 ;EPA-R-805753; EPA-600/2-81-046;
Stock Number PB81-172306
Additional Subjects Solid waste disposal ; Water pollution ; Chemical analysis ; Leaching ; Sites ; Ground water ; Surface water ; Sampling ; Physical properties ; Organic compounds ; Cations ; Anions ; Volumetric analysis ; Colorimetric analysis ; Metals ; Tables(Data) ; Graphs(Charts) ; Statistical analysis ; Water pollution detection ; Chemical oxygen demand
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NTIS  PB81-172306 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 340p
Abstract
In this study a round robin analysis of 10 leachate samples was conducted by 32 laboratories in the United States and Canada. Samples were analyzed for up to 28 parameters, including physical parameters (ph, oxidation reduction potential, conductivity, turbidity, and residue), organics (chemical oxygen demand, total organic carbon, organic nitrogen, and free volatile fatty acids), anions (sulfate, phosphate, chloride, nitrate, and bicarbonate), and cations (alkali metals, alkaline earth metals, transition metals, and heavy metals). It was noted that the overall coefficients of variation ranged from 32% for the chemical oxygen demand to 210% for the cadmium determination. Significant differences were noted between results from colorimetric methods and titrimetric and physical methods. The average recovery for spiked parameters in one leachate sample was 81% but varied widely for individual parameters. Results obtained using automated methods commonly deviated from those of other methods. Recommendations were made for selection of the most applicable method for analysis of each parameter. The usage of the standard addition technique is required in each laboratory to determine the matrix depression or enhancement for each type of leachate sample.