A new final rule announced by EPA on June 21 will revise the federal limits for lead in dust on floors and windowsills. The rule will lower the agency’s dust-lead hazard standards from 40 µg/ft2 to 10 µg/ft2 on floors and from 250 µg/ft2 to 100 µg/ft2 on windowsills. The new limits will apply to houses built before 1978 and to buildings where children spend many hours, such as daycare centers and kindergarten facilities.
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