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Coliforms

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Presentation on theme: "Coliforms"— Presentation transcript:

1 Coliforms http://www.semp.us/publications/biot_reader.php?BiotID=109

2 Coliform Bacteria  Bacterial indicators  Bacillus  Gram-negative  Non-spore forming  Ferment lactose  Citrobacter  Enterobacter  Klebsiella  Escherichia

3 Escherichia coli

4 Good Strains  Vitamin K

5 Bad Strains

6  Shiga toxin-producing E. coli (STEC)  O157:H7  O111:H8  O26:H11  O103:H2  Haemolytic uremic syndrome (HUS)

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8 Bacteriological Water Analysis  NC Division of Water Quality (NCDWQ)  Surface Water Standards  REDBOOK MFTTC:  200/100 mL  14/100 mL

9 Water Quality Index  Fecal coliform measurements:  Membrane Filtration  Measures both Total Coliform and E. coli  Multiple-Tube Fermentation  Most Probable Number (MPN)

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11 Membrane Filtration using mColiblue


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