WASHINGTON (CN) - Since half of the lead emissions in the U.S. are from piston-engine aircraft using leaded aviation gas, the Environmental Protection Agency has presented information for public comment that it will use to issue emissions regulations.
The information includes data for evaluating lead emissions, ambient concentrations, and potential exposure to lead from the continued use of leaded aviation gasoline in the aircraft.
In 2008, the EPA, in its National Ambient Air Quality Standard for lead, found that serious health effects occur at much lower levels of lead in blood than previously thought, and the agency did not identify a safe level of lead exposure.
The EPA stated that its issuance of information is in further response to a petition submitted by Friends of the Earth in 2006.
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