Detection and survival of coliforms in drinking water

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Author
Kutz, Susan Marie.
Issue Date
1984
Keywords
Hydrology.
Drinking water -- Contamination -- Arizona -- Tucson.
Drinking water -- Contamination -- Arizona -- Pima County.
Bacteria.
Committee Chair
Sinclair, Norval A.

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Publisher
The University of Arizona.
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Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
Abstract
Recovery of chlorine injured coliforms inoculated into potable water containing high numbers of heterotrophic plate count (HPC) bacteria was enhanced by anaerobic incubation of membrane filter (MF) cultures on m-endo LES agar rendered non-selective by removal of sodium lauryl sulfate (SDC) and sodium desoxycholate (SDC). Modification of mendo LES resulted in a 1.3 fold increase in recovery of Klebsiella pneumoniae, Enterobacter aerogenes, and Enterobacter cloacae. Recovery of injured Escherichia cou i and Citrobacter freundii was not significantly enhanced. Anaerobic incubation markedly reduced growth of HPC bacteria on MF and unmasked coliform detection.
Type
Thesis-Reproduction (electronic)
text
Degree Name
M.S.
Degree Level
masters
Degree Program
Microbiology and Immunology
Graduate College
Degree Grantor
University of Arizona
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