Results 131 to 140 of about 22,814 (179)

Nematodes as a source of total coliforms in a distribution system

Canadian Journal of Microbiology, 2007
In a distribution system of a large North American city, recurring total coliforms and atypical coliforms were detected at the exit (distribution pumps) of a storage reservoir. The presence of total coliforms and atypical coliforms was noted when the pumps were in operation and the water temperature was higher than 18 °C.
Annie, Locas, Benoit, Barbeau, Vincent, Gauthier   +2 more
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Media for ‘total’ Enterobacteriaceae, coliforms and Escherichia coli

International Journal of Food Microbiology, 1995
Selective and enrichment media for the isolation and enumeration of 'total' Enterobacteriaceae, coliforms, faecal coliforms and E. coli from foods are described. The effects of time and temperature of incubation are discussed. Reports of some comparative studies of these media and factors to be considered in the selection of media for this group of ...
R M, Blood, G D, Curtis
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Total Coliform Rule Brain Teaser

Journal AWWA, 2009
This brain teaser deals with a hypothetical situation where a small public water system (one that is normally required to only assay one routine total coliform sample during a month) will have to assay five samples in one month's time. The five samples can be either one routine and four repeat samples or five routine samples and no repeats.
Mike Messner, Jeremy Bauer
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The Analysis of Fecal Coliforms and Coliform Total in Wells Water at the Tourism Area of Sanur

Indian Journal of Public Health Research & Development, 2018
Sanur is a tourism area that located in the south of Denpasar, which includes the village of Sanur, Sanur Kaja, Sanur Kauh, and Renon, with clean water wells facilities as many as 3174 wells. Utilization of water wells in this region 87% of the total existing wells.
I Nyoman Jirna, Anwar Mallongi
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Reconsidering the Total Coliform Rule

Journal AWWA, 2000
Amendments to the 1996 Safe Drinking Water Act (SDWA) require the US Environmental Protection Agency (USEPA) to review and revise as needed existing National Primary Drinking Water Regulations at least every six years. This article discusses the Total Coliform Rule, which is among the first regulations to be reviewed for possible revision.
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New Regulations for Total Coliforms

Journal AWWA, 1990
Articles in this section of the Journal are dedicated to providing current information about legislative and regulatory developments pertinent to the drinking water industry. They address needs and concerns of water utilities from a practical standpoint; they are not intended to reflect official positions or policies of AWWA. Frederick W. Pontius, AWWA
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