Lead-tin solder is also used to connect copper pipes in drinking water... Limit the lead content in the solder to 0.2%-or 2000 ppm-and call it "lead-free...
This situation continued until the federal ban on the use of new lead pipes in 1986. ...More than 800 pipes per year, a city councilman pointed out that residents will not all get lead-free water... The US Environmental Protection Agency recently updated its lead and copper rules, how quickly lead pipes can be installed. ..
...Their homes have safer copper pipes, DC Water officials said on Wednesday. ... When the water leaves the treatment facility, it is "essentially lead-free" and...
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