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As the health effects of lead exposure came to be better known, Congress and EPA targeted lead pollution under a variety of laws, including TSCA, Residential Lead Based Paint Hazard Reduction Act. The EPA identified unregulated lead emissions from aviation fuels as concern.
On Friday, the Environmental Protection Agency (EPA) released its proposed finding on leaded aviation fuel, triggering a response from the consortium of general aviation associations that have been working on the removal of lead from avgas with the FAA and industry partners.
Environmental Protection Agency EPA announced determination emissions of lead from aircraft operate on leaded fuel contribute to air pollution endanger public health and welfare. Under the Clean Air Act, EPA reviews air pollutants to determine threat human health or welfare.
Switching to unleaded aviation gasoline is expected to help UND save money through reduced aircraft-maintenance costs, and is a “greener,” cleaner fuel than the existing legacy aviation gasoline.
Smelter owner Nyrstar had promised a multi-million-dollar upgrade would halve the smelter's lead emissions, but they increased in the second half of last year.