000 02175nam  2200373za 4500
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008180115s1986    onc |||fob   f000 0 eng d
040 |aCaOODSP|beng
041 |aeng|bfre
043 |an-cn---
0861 |aEn13-5/86-172E-PDF
1001 |aSim, Tiow Suan.
24510|aColiphage counts, are they necessary to maintain drinking water safety? |h[electronic resource] / |cby Tiow Suan Sim and Bernard J. Dutka.
260 |aBurlington, Ont. : |bAnalytical Methods Division, National Water Research Institute, Canada Centre for Inland Waters,|c1986.
300 |a6, [1] p.
4901 |aNWRI contribution ; |vno. 86-172
500 |a"November 1986".
500 |a"Control No. AM338".
500 |aDigitized edition from print [produced by Environment and Climate Change Canada].
504 |aIncludes bibliographical references.
5203 |a"Samples of drinking water collected from three different sources were tested for total coliforms, fecal coliforms and coliphage concentrations. Five samples from each site were tested with and without dechlorination procedures. Results showed that nine of the samples were positive for coliphage while being negative for total and fecal coliforms, another nine samples were positive for all three parameters. In no instance were total coliform and fecal coliform counts found without coliphage also being found. Results of this study indicate that coliformn counts are not fully protective of treated drinking water and the presence of coliphage in these waters could be an indication of the presence of other viruses"--Abstract.
546 |aIncludes abstract and management perspective in French.
69207|2gccst|aWater quality
69207|2gccst|aDrinking water
7001 |aDutka, B. J.
7101 |aCanada. |bEnvironment Canada.
7102 |aNational Water Research Institute (Canada)
830#0|aNWRI contribution ;|vno. 86-172|w(CaOODSP)9.844121
85640|qPDF|s649 KB|uhttps://publications.gc.ca/collections/collection_2018/eccc/En13-5-86-172-eng.pdf