The lead poses little threat if undisturbed but "replacing old windows or drilling into walls to blow in insulation, for example, can contaminate the house with lead dust," CELA said.

在没有施加外力影响的情况下，铅的危害并不大。 但是CELA解释说：“比如，在更新旧的窗户或者钻进墙壁中嵌入绝缘材料的时候，可能使房间受到铅尘的污染。”

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If your old house has lead paint in good condition, cover it with fresh paint rather than removing it, which releases lead dust into the air.

如果你的房子曾经刷过含铅的油漆，并且漆层还比较好，最好的方法是用新的不含铅的油漆覆盖旧的漆层，而不是去除老的含铅的漆层，因为这样做，铅尘反而排放到空气当中了。

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Or it could lead to "environmental sensors that could be scattered like dust in the air," he says.

或者，它能够促使人们制造“能够像粉尘一样散发到空中的环境传感器，”他说。

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He says there is likely more risk from lead dust on plants or from playing in the soil than from the plant itself.

VOA: special.2009.06.09

And then as they become toddlers as they started crawling around, they get that lead dust on their hands from the windowsills in the floors, they put it in their mouth."

VOA: standard.2009.12.19

My friends even cleaned my apartment for me while I was in the hospital giving birth to my baby, cleaning up the lead dust workmen had left behind so it was ready for me when I got home with my healthy baby boy.

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The second worry is that even if it is just variation, might it still lead to Dust Bowl conditions?

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It contains heavy metals, such as lead, and inhaling its dust can cause lung cancer.

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