drinking water notes

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Department
Environmental Science
Course
EESA10H3
Professor
Jovan Stefanovic
Semester
Winter

Description
h Hepatites Aliver inflammation g Giardia lamblilenters lake and rivers through sewage and animal wastes diarrhea vomiting crampsFecal coliform test a This test indicates the likely presence of diseasecausing agents in water b A sample is first passed through a filtering apparatus A The filter disk is then placed on a medium that support coliform bacteria for 24hoursB After incubation the number of bacterial colonies is counted Each colony of Ecoli arose from asingle coliform bacterium in the original water sampleCase studyWalkerton example E Colia Figures illustrate a pipe containing biofilm and a scanning electron micrograph below of the surface of a pipe containing bacteria isolated from Walkerton during the investigation in 2000Radionuclides a Alpha emitters bbeta P
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