Full TGIF Record # 35156
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Publication Type:
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.
# of Pages:8
Publishing Information:Emmaus, PA: JG Press
Keywords:TIC Keywords: Composts; Contamination; Pathogens; Surface runoff; Effluent water; Composted sludge; Yard waste
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 2.3³ 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 10⁵ MPN/g, and an average E. coli density of 6.0 x 10⁴ or 7.4 x 10⁴ 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."
See Also:Other items relating to: YARD
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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