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Publication Type:
| Refereed |
Author(s): | Meckes, M. C.;
Rice, E. W.;
Johnson, C. H.;
Rock, S. |
Author Affiliation: | U.S. EPA National Risk Management Research Laboratory, Cincinnati, Ohio |
Title: | Assessment of the bacteriological quality of compost from a yard waste processing facility |
Source: | Compost Science & Utilization. Vol. 3, No. 3, Summer 1995, p. 6-13. |
Publishing Information: | Emmaus, PA: JG Press |
# of Pages: | 8 |
Keywords: | TIC Keywords: Composts; Contamination; Pathogens; Surface runoff; Effluent water; Composted sludge; Yard waste
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Abstract/Contents: | "Citizen concern over possible pathogenic microorganism contamination in compost and in a runoff conllection pond prompted a U.S. Environmental Protection Agency (EPA) investigation. One out of eight samples collected from the distribution pile at a yard waste compost processing facility in Knoxville, Tennessee was found to have 2.3Ā³ MPN/g fecal coliform, no Escherichia coli (E. coli) were detected. All other distributionn pile samples proved to be negative for fecal coliform. The geometric mean of the eight samples was found to be less than 38 MPN/g, well below the 1,000 MPN/g limit for land application of class A municipal sludges treated by an acceptable composting process. Samples obtained from the processing pile before and after shredding had an average fecal coliform density of greater than 5.0 x 10āµ MPN/g, and an average E. coli density of 6.0 x 10ā“ or 7.4 x 10ā“ MPN/g depending upon the analytical technique used. The origin of these microorganisms was not determined, though it appears unlikely that on-site contamination is responsible for these observations. Information from fecal coliform research in Canada, Hawaii, and the norhteastern U.S. suggests that the fecal coliform levels observed in unprocessed yard wastes may represent normal background flora." |
Language: | English |
References: | 7 |
See Also: | Other items relating to: YARD |
Note: | Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Meckes, M. C., E. W. Rice, C. H. Johnson, and S. Rock. 1995. Assessment of the bacteriological quality of compost from a yard waste processing facility. Compost Sci. Util. 3(3):p. 6-13. |
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