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  2. Pentair - Wikipedia

    en.wikipedia.org/wiki/Pentair

    Pentair plc (PNR) is an American water treatment company incorporated in Ireland with tax residency in UK, with its main U.S. office in Golden Valley, Minnesota. [6] Pentair was founded in the US, with 65% of company's revenue coming from the US and Canada as of 2017.

  3. Water softening - Wikipedia

    en.wikipedia.org/wiki/Water_softening

    Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions. Soft water also extends the lifetime of plumbing by reducing or eliminating scale build-up in pipes

  4. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Fresh water can have widely ranging pH values depending on the geology of the drainage basin or aquifer and the influence of contaminant inputs . If the water is acidic (lower than 7), lime, soda ash, or sodium hydroxide can be added to raise the pH during water purification processes. Lime addition increases the calcium ion concentration, thus ...

  5. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    Water typically enters residences in the US at about 10 °C (50 °F), depending on latitude and season. Hot water temperatures of 50 °C (122 °F) are usual for dish-washing, laundry and showering, which requires that the heater raise the water temperature about 40 °C (72 °F) if the hot water is mixed with cold water at the point of use.

  6. Hand pump - Wikipedia

    en.wikipedia.org/wiki/Hand_pump

    In addition to their use in drawing water from shallow groundwater sources for water supplies, another version of the hand-powered suction pump, with low lift and high delivery, was developed in the later 19th century for use as a ship's bilge pump (for smaller coastal vessels) and as a building site contractor's pump.

  7. 702 H Street, NW, Suite 300, Washington, DC 20001 Tel: 202 ...

    images.huffingtonpost.com/2012-08-06-Greenpeace...

    702 H Street, NW, Suite 300, Washington, DC 20001 Tel: 202-462-1177 • Fax: 202-462-4507 Mr. Charles Koch Chairman and CEO, Koch Industries P.O. Box 2256

  8. Water ionizer - Wikipedia

    en.wikipedia.org/wiki/Water_ionizer

    A water ionizer (also known as an alkaline ionizer) is a home appliance which claims to raise the pH of drinking water by using electrolysis to separate the incoming water stream into acidic and alkaline components. [1] [2] [3] The treated water is called alkaline water.

  9. NOTICE OF INTENTION TO SUE PURSUANT TO 30 U.S.C. § 1270(a)(2)

    images.huffingtonpost.com/2009-09-12-citizens...

    minimum each numeric water quality standard and each maximum contaminant level (“MCL”) applicable to each water resource that the proposed operation may affect. Among the recurring errors in PADEP’s program implementation are its failures (a) to require permit applicants to

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