Results 191 to 200 of about 14,611 (221)
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Quality control of membrane filters for bacteriological examination of water
Journal of Applied Bacteriology, 1995A standard protocol for quality control of membrane filters for bacteriological examination of water is presented. It is based on the screening test proposed by Brenner and Rankin (1990) making use of Enterobacter aerogenes ATCC 49701 as a test strain and tryptone soya agar as medium for ...
Schijven, JF +3 more
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Improving Bacteriological Water Quality Compliance of Drinking Water
2012Identifying the root cause of bacteriological failures from routine drinking water analyses in the UK is difficult because investigative re-samples are often compliant with the standards. The aim of this paper is to develop understanding of the reasons for sporadic changes in microbiological quality.
Kate Ellis +3 more
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Internal quality control samples for water bacteriology
Journal of Applied Bacteriology, 1994A method is described for the preparation and application of a bacteriological quality control system for use with tests for plate counts and the enumeration of indicator organisms in water. Statistical limits are obtained and control charts prepared which are analagous to those used in analytical chemistry and clinical biochemistry laboratories.
R.J. Lee, S.R. Cole
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Freshwater mussels as monitors of bacteriological water quality
Water, Air, and Soil Pollution, 1988A species of commercially obtained freshwater mussel (Elliptio complanata) was shown to actively filter, concentrate, and retain fecal coliform (FC) bacteria from a variety of freshwater stream environments. Fecal coliform densities in mussel viscera were maximum within 48 hr of in situ exposure.
Charles E. Turick +2 more
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Model of fluctuations in bacteriological indices of water quality
Water Resources, 2006The bacteriological indices of water quality, including coliforms, sulfite-reducing clostridia, total microbial count, coliphages, and fecal streptococci were analyzed. A model describing fluctuations in microorganism population in the aquatic environment is proposed.
B. M. Dolgonosov +2 more
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Factors Influencing the Bacteriological Water Quality in Mountainous Surface and Groundwaters
Acta hydrochimica et hydrobiologica, 2004AbstractThe presence of pathogenic bacteria in water, along with the factors that act upon them, constitutes a field that has been little investigated in natural environments. It is clear, however, that these pathogens do have a significant effect on the quality of drinking water.
Schaffter, N. +2 more
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Refrigerated autosampling for the assessment of bacteriological water quality
Water Research, 1994Abstract This study compared manual and automatic sampling techniques at two urban creeks of varying faecal impact in Sydney, Australia. Changes in refrigerated (3°C) automatic sampler samples were followed for up to 18 h for total coliforms, faecal coliforms, total heterotrophs, pH, conductivity and turbidity.
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APPLYING BACTERIOLOGICAL PARAMETERS TO RECREATIONAL WATER QUALITY
Journal AWWA, 1970Sanitary significance of fecal coliform determinations in water pollution have lately been questioned. Fecal coli forms have been reassessed as indicators for pollution in recreational waters and are judged still to be reliable.
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Bacteriological quality of water and water borne diseases in Bangalore: a longitudinal study.
East African journal of public health, 2011In developing countries diarrhea diseases take a big toll which can be prevented by adequate supply of safe drinking water. Thus a longitudinal study was taken up to determine the morbidity due to water borne diseases and bacteriological quality of water.
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