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MICROBIAL MYTHS

This presentation by Dr. Martin J. Allen discusses common misconceptions about microbial indicators in water quality. Highlighting the purposes of water treatment, it emphasizes the removal of human pathogens and improving the drinking water aesthetic without achieving complete sterility. The talk includes an overview of indicators like total coliforms and fecal coliforms, explaining their significance and sources. Recommendations for public health protection are provided, aiming to enhance water safety while addressing common myths surrounding microbial presence in water.

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MICROBIAL MYTHS

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    1. MICROBIAL MYTHS Martin J. Allen, Ph.D 2008 Awwa Research Foundation. ALL RIGHTS RESERVED. No part of this presentation may be copied, reproduced or otherwise utilized without permission.

    2. Presentation Outline Microbial Myths Indicator Concept Recommendations for Public Health Protection

    6. Purposes of Water Treatment Remove or inactivate all human pathogens. i.e. protozoa, bacteria, viruses not to produce sterile water Remove suspended particles, reduce organics that can from DBPs, reduce taste & odor, reduce color, etc. Provide safe esthetically-pleasing drinking water

    8. Common Indicators for Source Water and Drinking Water Total Coliforms Fecal Coliforms Escherichia coli

    9. COLIFORM GENERA Escherichia - human and animal feces Enterobacter - environment, feces Klebsiella - environment, feces Citrobacter - environment Serratia - environment

    13. Thats All Folks!

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