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REDUCTIVE DECHLORINATION OF DICHLOROPHENOLS BY NON-ADAPTED AND ADAPTED MICROBIAL COMMUNITIES IN POND SEDIMENTS
Citation:
Hale, D., J. Rogers, AND J. Wiegel. REDUCTIVE DECHLORINATION OF DICHLOROPHENOLS BY NON-ADAPTED AND ADAPTED MICROBIAL COMMUNITIES IN POND SEDIMENTS. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-90/455 (NTIS PB91183343), 1990.
Description:
Fresh and dichlorophenol (DCP)-adapted sediments from two ponds near Athens GA exhibited distinctly different dechlorinating activities. hese differences centered on the relative rates of reductive dechlorination in both fresh and adapted sediments and on the substrate specificity of the adapted sediments. resh Cherokee Trailer Park Pond sediment dechlorinated 2,3-, 2,4- and 2,6-DCP to monocholorophenols at a faster rate and after a shorter lag period than fresh Bolton's Pond sediment. ag periods were not observed in either Cherokee or Bolton's sediments that had been adapted to dechlorinate either 2,3-, 2,4- or 2,6-DCP. dapted Cherokee sediments exhibited faster dechlorinating rates and a broader substrate specificity than the adapted Bolton's sediments. he broad substrate specificity of each of the adapted Cherokee sediments contrasted sharply with the narrow specificity of the 2,6-DCP-adapted Bolton1s sediment. he preference for reductive dechlorination was ortho>meta or para in sediments from both ponds.