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  2. Lead poisoning - Wikipedia

    en.wikipedia.org/wiki/Lead_poisoning

    Roman lead water pipes with taps. Lead poisoning was among the first known and most widely studied work-related environmental hazards. [186] One of the first metals to be smelted and used, [121] lead is thought to have been discovered and first mined in Anatolia around 6500 BC. [123]

  3. Flint water crisis - Wikipedia

    en.wikipedia.org/wiki/Flint_water_crisis

    In homes with copper pipes, the median water lead level dropped from 3.0 micrograms per liter (μg/L) to <1 μg/L; galvanized steel service lines dropped from a median water lead level of 7.2 μg/L to 1.9 μg/L, and lead service lines dropped from a median water lead level of 9.9 μg/L to 2.3 μg/L. [172] 1 μg/L is equivalent to 1 part per ...

  4. Lead service line - Wikipedia

    en.wikipedia.org/wiki/Lead_service_line

    A lead service line (LSL, also known as lead service pipe, [1] and lead connection pipe [2]) is a pipe made of lead which is used in potable water distribution to connect a water main to a user's premises. Lead exposure is a public health hazard as it causes developmental effects in fetuses, infants, and young children. It also has other health ...

  5. Here's why you might get a letter warning about potential ...

    www.aol.com/heres-why-might-letter-warning...

    It's the water pipe that connects the water main in the street to your property. Modern water mains aren't made of lead, but some service lines are, often those installed before about 1950.

  6. Why is it important to remove lead from water pipes? A ... - AOL

    www.aol.com/news/why-important-remove-lead-water...

    Although lead has been banned from paint since 1978, lead poisoning still occurs. A medical expert explains the signs and symptoms of this public health problem.

  7. In final rule, EPA requires removal of all US lead pipes in a ...

    www.aol.com/news/final-rule-epa-requires-removal...

    Lead poisoning can cause irreversible damage to the nervous system and the brain and poses a specific risk to infants and children. Service lines that bring water into homes are thought to be a ...

  8. The EPA wants to eliminate all lead pipes in 10 years. Here's ...

    www.aol.com/epa-wants-eliminate-lead-pipes...

    A crew with the city of Edmond works on a water main in October. A proposed rule from the Environmental Protection Agency would require every water system in the country to eliminate lead pipes ...

  9. 2015 incidents of lead in drinking water in Hong Kong

    en.wikipedia.org/wiki/2015_incidents_of_lead_in...

    Due to the historic usage of lead water pipes, many jurisdictions have legal limits on safety levels of lead content in drinking water. Hong Kong standards limit the acceptable lead content of drinking water to 10 micrograms of lead per litre, the same standard as Europe, Australia, Taiwan, Japan and Singapore.