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RECORD NUMBER: 26 OF 66

OLS Field Name OLS Field Data
Main Title Impacts of Coal Combustion on Trace Elements in the Environment: Wisconsin Power Plant Impact Study.
Author Helmke, P. A. ; Robarge, W. P. ; Schoenfield, M. B. ; Burger, P. ; Koons, R. D. ;
CORP Author Wisconsin Univ.-Madison. ;Madison Gas and Electric Co., WI. ;Wisconsin Public Service Corp., Green Bay. ;Wisconsin Public Service Commission, Madison. ;Wisconsin Dept. of Natural Resources, Madison.;Environmental Research Lab.-Duluth, MN.
Year Published 1984
Report Number EPA-R-803971; EPA-600/3-84-070;
Stock Number PB84-207638
Additional Subjects Trace elements ; Electric power plants ; Chemical analysis ; Environmental surveys ; X ray diffraction ; Electron microscopy ; Industrial wastes ; Fly ash ; Solid waste disposal ; Microorganisms ; Ecology ; Dust ; Sampling ; Water pollution ; Plants(Botany) ; Leaves ; Combustion products ; Concentration(Composition) ; Aerosols ; Metals ; Aquatic animals ; Coal fired power plants ; Air pollution detection ; Ecosystems
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB84-207638 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 114p
Abstract
The impact of a modern coal-fired generating station on the environment, with emphasis on the concentrations and behavior of elements and the disposal of fly ash, was determined by analysis of aerosolic dust, oak leaves, aquatic organisms, water, fly ash, and coal. The major analytical techniques used were neutron activation analysis, x-ray fluorescence analysis, atomic absorption spectrophotometry, electron microscopy, and x-ray diffraction. Calcium, Ba, B, and Th concentrations were relatively high in the fly ash produced. When mixed with water, the fly ash reacts to form a cement-like material that includes pozzolanic mineral phases that were identified by x-ray diffraction and electron microscopy. Aerosolic dust collected in fallout buckets was enrined with Br, Hg, Sb, Se, Th, U, and Zn. Of the organisms tested, Asellus racovitzai and Odanata were most suitable for monitoring ecosystem trace element fluxes. Barium, Cr, Sc, and possibly Sb concentrations were higher in specimens of these organisms exposed to the ash effluent than in control specimens. These increases cannot be attributed to seasonal variability, sample contamination or differences in specimen size and are therefore thought to result from exposure of the organisms to ash effluent. Potential effects of fly ash from the Columbia Generating Station or other aerosolic dust on the concentrations of elements in oak leaves could not be detected.