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  2. Chemical identified in drinking water likely to be in many ...

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    Today, it’s often used to protect a system’s “residual” — the water that remains in pipes for several days after it leaves a water treatment plant. Increasingly, chloramine has been ...

  3. Possibly toxic chemical may be widespread in drinking water ...

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    Chloramine is often used to kill viruses and bacteria in municipal water treatment systems," NBC ... drinking water systems located in seven states. ... found in all water treated with chloramine ...

  4. 'Unidentified product' found in US tap water could be toxic ...

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    Since the 1990s, many public systems have switched to inorganic chloramine, a chlorine derivative, to purify water supplies. Systems serving about 113 million people in the U.S. use this process.

  5. Chloramination - Wikipedia

    en.wikipedia.org/wiki/Chloramination

    Chloramination is the treatment of drinking water with a chloramine disinfectant. [1] Both chlorine and small amounts of ammonia are added to the water one at a time which react together to form chloramine (also called combined chlorine), a long lasting disinfectant. Chloramine disinfection is used in both small and large water treatment plants.

  6. Chloronitramide anion - Wikipedia

    en.wikipedia.org/wiki/Chloronitramide_anion

    The chloronitramide anion was first detected as a UV absorbance interference during monitoring of chloramine and dichloramine in 1981. [6] It was then shown to form during the decomposition of both chemicals. [6] It was shown to likely be an anion in 1990. [7]

  7. Lead contamination in Washington, D.C., drinking water

    en.wikipedia.org/wiki/Lead_contamination_in...

    The problem was addressed in 2004 by adding additional treatments to the water, preventing the chloramine from dissolving lead in the water mains, solder joints, and plumbing fixtures. In 2010, the CDC reported that 15,000 homes in the Washington, D.C., area might still have water supplies with dangerous levels of lead.