From the Associated Press
The Environmental Protection Agency proposed a major tightening Thursday of the health standard for airborne lead, saying that current allowable concentrations do not adequately protect public health, especially children.
The proposal, which would cut allowable airborne lead concentrations by up to 93 percent from today’s standard, is expected to be made final by mid-September.
The lead health standard has not been changed since the initial requirement was enacted 30 years ago.
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