Results 231 to 240 of about 51,801 (265)
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Statistical limitations in the usefulness of total coliform data
Journal AWWA, 2009Most water systems— rates of coliform‐positive samples are well below the 5% trigger for the monthly maximum contaminant level (MCL) set by the Total Coliform Rule (TCR). This study reviewed results of 540,357 samples collected from 15 systems and represented more than 12 years of sampling.
Jeffrey S. Rosen +2 more
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The impedance method for monitoring total coliforms in wastewaters
Folia Microbiologica, 1984An impedance technique is presented as a method which offers promise as a test for estimating the numbers of total coliform bacteria in wastewaters. The technique reported here has the advantage of being 3-4 times faster than the standard membrane filter method (i.e. 4-7 h, compared with 20-24 h).
J R, Tenpenny, R D, Tanner, G W, Malaney
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Seasonal total coliform dynamics in a drinking water reservoir
Water ResearchMaintaining high-quality drinking water supply reservoirs is important for protecting public health. Despite extensive watershed protection efforts, reservoirs can still experience seasonal, elevated total coliform bacteria concentrations, indicator bacteria commonly used for regulations.
Carlos Eduardo Veras +4 more
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Escherichia coli and total coliforms in water and sediments at lake marinas
Environmental Pollution, 2002Escherichia coli, a fecal coliform, and total coliforms were monitored between September 1999 and October 2001 in five marinas at Lake Texoma, located on the Oklahoma and Texas border. The general trend was that densities of E. coli were lower in the summer season due to the lower loading of fecal material into Lake Texoma and the ecological conditions
Youn-Joo, An +2 more
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Total Coliform Rule in USEPA sights for revision
Journal AWWA, 2002This article discusses the first six‐year review by the US Environmental Protection Agency (USEPA) of current national primary drinking water regulations (NPDWRS), resulting in a preliminary decision that the total coliform rule (TCR) can be improved, whereas none of 68 chemical contaminants is ripe for revision at this time.
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Quantification of total coliforms in ranchería river estuary
2018The quantification of total coliforms in the estuary of the Ranchería river is an important factor for both agricultural activities and urban life. The area is formed by different water channels that form a dynamic and complex estuary. One of the most commonly used criteria for determining water quality is the measurement of total coliforms.
Montes Rojas, Consuelo +3 more
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Quantification of total coliforms in ranchería river estuary
2017The quantification of total coliforms in the estuary of the Ranchería river is an important factor for both agricultural activities and urban life. The area is formed by different water channels that form a dynamic and complex estuary. One of the most commonly used criteria for determining water quality is the measurement of total coliforms.
Molina Bolivar, Geomar Enrique +2 more
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Investigation of Total Coliform Bacteria in Aquarium Water
2014Bu çalışmada, 5 akvaryum hazırlanmış, birer hafta arayla 3 (3x5) seri deney yapılarak, toplam canlı koliform bakteri sayısı tespit edilmiştir. Akvaryumlarda 2'şer adet olmak üzere Tinca tinca L., 1758 ve Alburnus escherichi Steindachner, 1987 kullanılmıştır. Balıklar Mogan Gölü\'nden avlanarak temin edilmiştir.
ACAR, Bahar +2 more
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