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Regrowth of Fecal Coliforms in Class A Biosolids
Water Environment Research, 2006Eight types of Class A biosolids were tested for fecal coliform (FC) reactivation and/or regrowth at 20, 35, and 50°C for 21 days. Growth of FC did not occur at 20 or 50°C, but it was observed in two samples incubated at 35°C after a lag period of 48 hours. In undigested biosolids, final FC concentration exceeded 10 4 MPN/g, whereas in thermophilically
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2003
Two page fact-sheet discussing fecal coliform TMDLs and describing what citizens, municipal officials, and agricultural landowners can do to avoid polluting water bodies.
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Two page fact-sheet discussing fecal coliform TMDLs and describing what citizens, municipal officials, and agricultural landowners can do to avoid polluting water bodies.
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Agar Medium for Enumeration of Fecal Coliforms
Journal of Food Science, 1992ABSTRACT Spread‐inoculated plates of fecal‐coliform agar (FCA) were pre‐incubated 2 hr at 35°C, and then transferred to 44.5°C for 22 hr. Fecal coliforms on FCA produce acids and CO 2 , which react with bromocresol purple and calcium lactate to form yellow to yellow‐green ...
HSING‐CHEN CHEN, SHEU‐DER WU
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Association of Fecal Coliforms With Soil Aggregates
Soil Science, 2009Manure-home microorganisms and organic particles can move in soils in large interconnected pores or in long macroporcs. These pathways in structured soils are located between soil aggregates or peds. Therefore, interaction with soil aggregates ma y substantially affect the ability of macropores to serve as bacterial conduits.
Andrey K. Guber +3 more
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Fecal coliform densities in a Western watershed
Water, Air, and Soil Pollution, 1982This paper describes the areal distribution of fecal coliform densities within the stream system of the South Platte River basin in Colorado. Low densities, e.g., 0 to 99 fecal coliforms per 100 ml, were found in mountain streams, while higher densities, e.g., 10000 to 100000 and above were found in plains streams. About 49 % of the plains stations and
PattiJ. Psaris, DavidW. Hendricks
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Closing the Door on the Fecal Coliform Assay
Microbe Magazine, 2006Since its inception in 1904, the fecal coliform assay has been used to assess the presence of fecal contamination in water and foods. Assays to detect Escherichia coli, a more specific indicator of fecal contamination, were previously not as popular due to the longer time period for detection required (five days) and their complexity.
Michael P. Doyle, Marilyn C. Erickson
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REGROWTH OF FECAL COLIFORMS IN CLASS A BIOSOLIDS
Proceedings of the Water Environment Federation, 2004Eight types of Class A biosolids were tested for fecal coliform (FC) reactivation and/or regrowth at 20, 35, and 50?C for 21 days. Growth of FC did not occur at 20 or 50?C, but it was observed in two samples incubated at 35?C after a lag period of 48 hours.
Domènec Jolis +3 more
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Significance of fecal coliform and fecal streptococcus in water pollution monitoring
Acta Academiae Medicinae Wuhan, 1982The experimental results showed that the fecal coliform (FC) to fecal streptococcus (FS) ratio (FC/FS) in the human feces and in warm-blooded animal feces were rather different. FC/FS ratio in the human feces was greater than 7.0, and in warm-blooded animal feces was less than 1.0.
Lin Hai, Cai Hongdao
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Coliform Group and Fecal Coliform Organisms as Indicators of Pollution in Drinking Water
Journal AWWA, 1960The presence of any type of coliform organism in treated drinking water suggests either inadequate treatment or access of undesirable materials to the water after treatment. Although there are some differences between strain and subgroup organisms with regard to survival under natural conditions and resistance to chlorination, in general all the ...
Paul W. Kabler, Harold F. Clark
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Surface streaking and fecal coliform levels
Canadian Journal of Civil Engineering, 1984The measurement of the dilution and die-off of fecal coliforms in high velocity, wind-generated surface currents is discussed. The dispersion in the streaks is similar to that found in oil slicks. It was found that the high velocities and slower growth rate of the dispersion in the streaks resulted in fecal coliform levels about four times higher than
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