Results 191 to 200 of about 27,625 (226)
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Canadian Journal of Civil Engineering, 1984
A combination of the STORM runoff model and a two-dimensional dynamic lake type model successfully reproduced the fecal coliform levels of an urban beach on a lake in the Ottawa River. The elevated fecal coliform levels were associated with rainfall events and runoff from two large catchments upstream of the beach.
Merv D. Palmer, Raymond J. Dewey
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A combination of the STORM runoff model and a two-dimensional dynamic lake type model successfully reproduced the fecal coliform levels of an urban beach on a lake in the Ottawa River. The elevated fecal coliform levels were associated with rainfall events and runoff from two large catchments upstream of the beach.
Merv D. Palmer, Raymond J. Dewey
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Regrowth of coliforms and fecal coliforms in chlorinated wastewater effluent
Water Research, 1973Abstract Observations made both in the field in chlorinated effluent, and in laboratory experiments show that coliforms and fecal coliforms are capable of regrowth in chlorinated wastewater. Under field conditions regrowth of coliforms in chlorinated effluent held in a storage reservoir for about 3 days appeared inversely correlated to: (1) The ...
Hillel I. Shuval +2 more
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FECAL COLIFORM RELEASE FROM CATTLE FECAL DEPOSITS1
JAWRA Journal of the American Water Resources Association, 1984ABSTRACT: Cowpies molded to a standard configuration and size were subjected to simulated rainfall, and the fecal coliform counts were determined using the most probable number (MPN) method of enumeration. The standard cowpie deposits were exposed to simulated rainfall once at ages 2 through 100 days.
Michael Kress, Gerald F. Gifford
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Coliform-Fecal Coliform Bacterial in Tidal Waters
Journal of the Sanitary Engineering Division, 1968The fecal coliform-coliform relationship has been examined for several estuaries on Long Island to evaluate proposed fecal coliform standards for shellfish growing waters. The level of fecal coliforms to coliforms was found to vary with source of pollution, level of treatment provided, characteristics of the receiving waters, and precipitation on the ...
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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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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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