Record Display for the EPA National Library Catalog


Main Title Validation of soxhlet extraction procedure for SW-846 /
Author Michael, L. C. ; Moseley, M. A. ; Hines, J. W. ; Pellizzari, E. D.
Other Authors
Author Title of a Work
Michael, Larry C.
CORP Author Research Triangle Inst., Research Triangle Park, NC.;Environmental Monitoring and Support Lab.-Cincinnati, OH. Physical and Chemical Methods Branch.
Publisher U.S. Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory,
Year Published 1985
Report Number EPA/600/4-85/073; EPA-68-03-3099
Stock Number PB86-118585
Subjects Hazardous wastes--Analysis
Additional Subjects Hazardous materials ; Chemical analysis ; Chemical industry ; Filtration ; Diatomaceous earth ; Performance evaluation ; Pesticides ; Experimental design ; Assessments ; Sampling ; Soxhlet extraction procedure ; Liquid wastes ; EPA method 3540
Library Call Number Additional Info Location Last
NTIS  PB86-118585 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 44 pages ; 28 cm.
The objective of this work assignment was to conduct a single-laboratory evaluation of the Soxhlet Extraction Procedure (Method 3540, SW-846) for the analysis of hazardous waste components in spent diatomaceous earth filter materials. The validation consisted of two phases: Phase 1, in which accuracy and precision were evaluated with diatomaceous earth fortified with a variety of analytes; and Phase 2, in which precision was determined by analysis of diatomaceous earth fortified with pesticide manufacturing waste. Several fortification/homogenization procedures were proposed and evaluated to accomplish Phase 1 objectives. The results show Method 3540 to be both accurate (average recovery: 90%) and precise (average percent relative standard deviation: 8%) on the recovery of nonvolatile analytes from diatomaceous earth.