Record Display for the EPA National Library Catalog

RECORD NUMBER: 161 OF 1368

OLS Field Name OLS Field Data
Main Title Biodegradation and Photolysis of Pentachlorophenol in Artificial Freshwater Streams.
Author Pignatello, J. J. ; Martinson, M. M. ; Steifert, J. G. ; Carlson, R. E. ; Crawford, R. L. ;
CORP Author Saint Olaf Coll., Northfield, MN.;Environmental Research Lab.-Duluth, MN.
Year Published 1983
Report Number EPA-R-810016; EPA-600/J-83-162;
Stock Number PB84-170927
Additional Subjects Water pollution ; Biodeterioration ; Photolysis ; Adsorption ; Fresh water ; Streams ; Chlorine organic compounds ; Sediments ; Microorganisms ; Pesticides ; Reprints ; Phenol/pentachloro ; Ecosystems
Holdings
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Status
NTIS  PB84-170927 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 11p
Abstract
The biodegradation, photolysis, and adsorption of pentachlorophenol (PCP) in outdoor, aquatic environments were examined with man-made channels built by the U.S. Environmental Protection Agency at a field station on the Mississippi River near Monticello, Minn. The authors monitored the biotic and abiotic degradation of PCP in these channels for approximately 16 weeks. Most of the PCP-mineralizing microorganisms that developed in the channels were either attached to surfaces (e.g., rocks and macrophytes) or associated with surface sediments. Total bacterial numbers (direct microscopic counts) in the various channels were not affected significantly by PCP concentrations of micrograms per liter. Numerous strains of bacteria able to grow at the expense of PCP were isolated from the adapted channels. The experiments reported here will help predict the responses of flowing aquatic ecosystems to contamination by biocides such as pentachlorophenol.