Lead pipes began to corrode, leaking into the water.

铅管开始腐蚀，导致铅泄漏到水中。

More than 22,000 lead pipes were taken out.

超过22000根铅管被拆除。

Proposed infrastructure bills also include sums for removing lead pipes.

拟议的基础设施法案还包括拆除铅水管的费用。

That lasted until a federal ban on new lead pipes in 1986.

这一规定一直持续到1986年，联邦政府禁止新安装铅水管。

The city gets its water from Lake Michigan through old lead pipes.

这座城市通过旧的铅管从密歇根湖取水。

Yet residents of Chicago-and many other cities-still mostly swig from taps fed by lead pipes.

然而，芝加哥和许多其他城市的居民仍然主要是从铅水管连接的水龙头中喝水。

Grown men descended upon 12-year-old Richard Sigh and broke his leg with lead pipes.

一群成年男子突然袭击了12岁的理查德·赛，并用铅筒打断了他的腿。

There's $45 billion to eliminate all lead pipes and service lines in our drinking water systems.

450亿美元用于消除我们饮用水系统中的所有铅管道和服务线路。

Newark, New Jersey officials say most of the city's lead pipes have been removed and replaced with copper ones.

新泽西州纽瓦克的官员说，该市的大部分铅管已经被拆除，换上了铜管。

It eats away at old iron and lead pipes.

它会腐蚀旧铁管和铅管。

Roman lead pipes (Wolfgang Sauber CC BY-SA 3.0) Lead is a type of grey metal.

罗马铅管 (Wolfgang Sauber CC BY-SA 3.0) 铅是一种灰色金属。

A bill co-sponsored by a Republican congressman from New Jersey, Chris Smith, would require all lead pipes to be replaced within a decade.

新泽西州共和党国会议员克里斯·史密斯联合发起的一项法案将要求在10年内更换所有铅水管。

And in some places, the powerful lead industry worked hard to keep promoting lead pipes for decades.

并且在一些地方，强大的铅业努力几十年不断推广铅管。

Moving on now to news back in the United States, the environmental protection agency proposed to remove lead pipes from the us water system.

]现在来看看美国的新闻，环境保护机构提议从美国的供水系统中移除含铅管道。

But there were still lots of lead pipes already out there, and replacing them would be incredibly costly and difficult.

但是那里已经有很多铅管，更换它们的成本和难度都令人难以置信。

A century later, they discovered lead was a health risk so they went to copper. But they never removed the lead pipes.

大概100年之后 他们发现铅对人体有害他们就开始采用铜管 但是铅管就留在那里了。

New lead pipes have been banned in the U.S. since the 1980s, but there are still about 9 million lead service lines in the country according to the EPA.

自20世纪80年代以来，美国就禁止使用新的铅管道，但根据环境保护署的数据，全国仍有大约900万条铅管道。

It also says there are no lead pipes that connect the schools plumbing so what might have caused the high levels of lead and copper officials haven't said yet.

当局同时称，学校的管道系统中没有含铅管道，因此尚不明确造成铜和铅含量超标的原因。

All in all, it took many countries until the late 20th century - or longer - to ban the installation of new lead pipes.

总而言之，许多国家直到 20 世纪末——或更长时间——才禁止安装新的铅管。

In the US, instead of replacing lead pipes, the Environmental Protection Agency has tried to monitor and limit lead levels in drinking water.

在美国，环境保护局没有更换铅管，而是试图监测和限制饮用水中的铅含量。