U.S. undercuts clean-air rule
Under a White House change, fewer companies will be monitored for lead emissions
Looking to bolster the fight against childhood lead poisoning, the U.S. Environmental Protection Agency last month approved a tough new rule aimed at clearing the nation's air of the toxic metal.
A key part of the initiative is a new network of monitors that will track lead emissions from factories. But the Bush administration quietly weakened that provision at the last minute by exempting dozens of polluters from scrutiny, federal documents show.
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