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  2. Lead and Copper Rule - Wikipedia

    en.wikipedia.org/wiki/Lead_and_Copper_Rule

    EPA illustration of lead sources in residential buildings Infographic about lead in drinking water. The Lead and Copper Rule (LCR) is a United States federal regulation that limits the concentration of lead and copper allowed in public drinking water at the consumer's tap, as well as limiting the permissible amount of pipe corrosion occurring due to the water itself. [1]

  3. Antimicrobial properties of copper - Wikipedia

    en.wikipedia.org/wiki/Antimicrobial_properties...

    Copper alloy surfaces have intrinsic properties that destroy many microorganisms.In the interest of protecting public health, especially in healthcare environments with their susceptible patient populations, an abundance of peer-reviewed antimicrobial efficacy studies have been conducted in the past ten years regarding copper's efficacy to destroy E. coli O157:H7, methicillin-resistant ...

  4. Parts cleaning - Wikipedia

    en.wikipedia.org/wiki/Parts_cleaning

    Cleaning methods encompass solvent cleaning, hot alkaline detergent cleaning, electro-cleaning, and acid etch. In industrial settings, the water-break test is a common practice to assess machinery cleanliness. This test involves thoroughly rinsing and vertically holding the surface.

  5. Pickling (metal) - Wikipedia

    en.wikipedia.org/wiki/Pickling_(metal)

    Pickling is a metal surface treatment used to remove impurities, such as stains, inorganic contaminants, and rust or scale from ferrous metals, copper, precious metals and aluminium alloys. [1]

  6. Lead service line - Wikipedia

    en.wikipedia.org/wiki/Lead_service_line

    There are two parts in a service line. The first part is the pipe that connects the water main to the curb stop which is a stop valve that is located around the street curb or the property line. That first section is called communication pipe. The second part is the pipe that connects the curb stop to the building inlet or a water meter.

  7. Descaling agent - Wikipedia

    en.wikipedia.org/wiki/Descaling_agent

    Limescale build-up inside a pipe reduces both liquid flow and thermal conduction from the pipe, so will reduce thermal efficiency when used as a heat exchanger.. A descaling agent or chemical descaler is a liquid chemical substance used to remove limescale from metal surfaces in contact with hot water, such as in boilers, water heaters, and kettles.

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