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Total Coliform Rule Brain Teaser
Journal AWWA, 2009This 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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Media for ‘total’ Enterobacteriaceae, coliforms and Escherichia coli
International Journal of Food Microbiology, 1995Selective 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 Survival Characteristics in Frozen Soils
Journal of Environmental Engineering, 2007Survival characteristics of total coliform bacteria in soil samples, with different moisture contents (24–49%) and at different temperatures (from −28 to 20°C ), were studied. The study showed that a significant fraction of coliform bacteria survive for more than six months in soil at subfreezing temperatures.
Hrishikesh Adhikari +3 more
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Reconsidering the Total Coliform Rule
Journal AWWA, 2000Amendments 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, 1990Articles 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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FLORA AND FAUNA, 2021
In India source of drinking water at Varanasi city for common people are tap water, well, hand pump, Ganga river and stored tank water collected from bore well. All water samples were studied to assess their bacteriological characteristics and suitability for potable purposes.
Alok Kumar Singh +2 more
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In India source of drinking water at Varanasi city for common people are tap water, well, hand pump, Ganga river and stored tank water collected from bore well. All water samples were studied to assess their bacteriological characteristics and suitability for potable purposes.
Alok Kumar Singh +2 more
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Building an Improved Total Coliform Rule
Journal AWWA, 2010This article discusses a September 2008 agreement in principle (AIP) recommending a number of key changes to the Total Coliform Rule (TCR) that were agreed upon by the TCR Distribution System Federal Advisory Committee (TCRDSAC).
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1977
Although the total coliform bacterial count has its shortcomings, it is our best indicator of the health hazards associated with drinking water that we have today. Some of these defects can be corrected by additional bacterial tests to determine interference or identify nonconliform lactose fermenting organisms.
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Although the total coliform bacterial count has its shortcomings, it is our best indicator of the health hazards associated with drinking water that we have today. Some of these defects can be corrected by additional bacterial tests to determine interference or identify nonconliform lactose fermenting organisms.
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Prepare for the Revised Total Coliform Rule
Opflow, 2014Public health is protected when system operators can respond quickly to correct situations in which coliform bacteria occur in drinking water. A key to success is being aware of where and how such events can occur.
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