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  2. How long do you need to boil water? Boil water notices issued ...

    www.aol.com/long-boil-water-boil-water-151323413...

    If boiling your tap water is not possible, you can disinfect it to make it safe to drink. • Fill a pot with water. • Heat the water until bubbles come quickly from the bottom of the pot to the ...

  3. Portable water purification - Wikipedia

    en.wikipedia.org/wiki/Portable_water_purification

    The WHO states bringing water to rolling boil then naturally cooling is sufficient to inactivate pathogenic bacteria, viruses and protozoa. [8] The CDC recommends a rolling boil for 1 minute. At high elevations, though, the boiling point of water drops. At altitudes greater than 6,562 feet (2,000 meters) boiling should continue for 3 minutes. [9]

  4. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Water purification is the process of removing undesirable chemicals, ... The traditional advice of boiling water for ten minutes is mainly for additional safety ...

  5. Purified water - Wikipedia

    en.wikipedia.org/wiki/Purified_water

    Double-distilled water (abbreviated "ddH 2 O", "Bidest. water" or "DDW") is prepared by slow boiling the uncontaminated condensed water vapor from a prior slow boiling. Historically, it was the de facto standard for highly purified laboratory water for biochemistry and used in laboratory trace analysis until combination purification methods of ...

  6. Governor: Mississippi capital's water is again safe to drink

    www.aol.com/news/weeks-long-boil-water-notice...

    Tate Reeves and Jackson officials said in separate announcements that the state health department lifted a boil-water notice that had been in place since July 29 in the city of 150,000.

  7. At what temperature does water boil? Explaining water's ... - AOL

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  8. List of purification methods in chemistry - Wikipedia

    en.wikipedia.org/wiki/List_of_purification...

    Water purification combines a number of methods to produce potable or drinking water. Downstream processing refers to purification of chemicals, pharmaceuticals and food ingredients produced by fermentation or synthesized by plant and animal tissues, for example antibiotics, citric acid, vitamin E, and insulin.

  9. Boil-water advisory - Wikipedia

    en.wikipedia.org/wiki/Boil-water_advisory

    First known science-based boil-water advisory (1866) John Snow's 1849 recommendation that water be "filtered and boiled before it is used" is one of the first practical applications of the germ theory of disease in the area of public health and is the antecedent to the modern boil water advisory. Snow demonstrated a clear understanding of germ ...