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2. Lead and Copper Rule - Wikipedia

   en.wikipedia.org/wiki/Lead_and_Copper_Rule

   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] The U.S. Environmental Protection Agency (EPA) first issued the rule in ...

3. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water that is fit for specific purposes. Most water is purified and disinfected for human consumption ( drinking water ), but water purification may also be carried out for a variety of ...

4. Copper-silver ionization - Wikipedia

   en.wikipedia.org/wiki/Copper-silver_ionization

   The level of ions generated has been reported to be usually below EPA Safe Water Drinking Act Lead and Copper Rule AL for copper. The AL for copper in potable water is 1.3 ppm (Cu) and the SCL for silver is 0.1 ppm (Ag) (which is the same as 100 ppb). It is important to collect and handle samples correctly in order to get accurate results.

5. EPA proposes requirement to remove lead pipes from US water ...

   www.aol.com/epa-proposes-requirement-remove-lead...

   The Safe Drinking Water Act authorizes EPA to establish regulations for public water systems, and the Lead and Copper Rule was established in 1991 to reduce exposure to lead in drinking water. It ...

6. Identifying lead water service lines an inexact science for ...

   www.aol.com/identifying-lead-water-lines-inexact...

   Apr. 13—PENDLETON — A decade ago, a water crisis in Flint, Michigan, cast a spotlight on a public health issue that experts say continues to ripple through decisions and operations in towns ...

7. Industrial wastewater treatment - Wikipedia

   en.wikipedia.org/.../Industrial_wastewater_treatment

   Industrial wastewater treatment describes the processes used for treating wastewater that is produced by industries as an undesirable by-product. After treatment, the treated industrial wastewater (or effluent) may be reused or released to a sanitary sewer or to a surface water in the environment. Some industrial facilities generate wastewater ...