WASHINGTON (AP) -- The Environmental Protection Agency is slashing the amount of lead allowed in the nation's air by 90 percent.
EPA officials, who were under a federal court order to set a new health standard for lead by midnight Wednesday, said the new limit would better protect health, especially children's. Exposure to even low levels of lead early in life can affect learning, IQ and memory.
"Our nation's air is cleaner today than just a generation ago, and last night I built upon this progress by signing the strongest air quality standards for lead in our nation's history," Stephen Johnson, the EPA administrator, said Thursday. "Thanks to this stronger standard, EPA will protect my children from remaining sources of airborne lead."
The new limit -- 0.15 micrograms per cubic meter -- is the first update to the lead standard since 1978, when it helped phase out leaded gasoline. It is ten times lower than the current standard, which was 1.5 micrograms per cubic meter.
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It is also more stringent than the level recommended in May by the agency's scientific advisers. In contrast, the Bush administration did not follow its own staff's advice or its science advisers when it set new health standards for smog and soot that were less stringent than recommended.
http://www.cnn.com/2008/HEALTH/10/16/epa.lead.air.standard.ap/index.html