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NanoLogix, Inc. Message Board

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  • longpicker longpicker Jan 27, 2013 12:13 PM Flag

    New patent as soon as next week

    From the EPA website:
    We believe we will be able to come up with a method for E. coli O157:H7 that will allow us to skip the enrichment step and reduce detection time to less than 24 hours,” said EPA microbiologist Dr. Gerard Stelma. “Eliminating the enrichment step will also make the method more quantitative.”

    It seems Dr. Stelma and Nanologix have come up with a device for detection that is SIGNIFICANTLY less than 24 hours, I wonder how many and how often public water treatment facilities test for E. coli?

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    • "As a minimum, water leaving a treatment plant should be tested daily for disinfectant residual and turbidity and tested at least weekly for E. coli to confirm microbiological safety. For supplies where weekly E. coli testing is impractical (e.g., in small supplies), residual disinfectant determinations should be relied upon to verify microbiological safety. Small supplies should also periodically carry out sanitary surveys as an additional action to verify the safety of the system. The daily sampling recommendations for disinfectant residual and turbidity testing do not apply to supplies served by groundwater sources of excellent quality in which disinfection is practised to increase the safety margin. In a distribution system, the number of samples for bacteriological testing should be increased in accordance with the size of the population served. However, it is recommended that, regardless of the population being served, a minimum of four samples per month should be examined. Table 1 is offered as a guide."

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