Earthjustice, along with 92 other organizations and entities write to Chairwoman Cantwell, Ranking Member Cruz, Chairman Graves, and Ranking Member Larsen in opposition of Section 620 of the Senate Federal Aviation Administration (FAA) Reauthorization bill and Section 431 of the House FAA Reauthorization bill, which would hamper the long overdue transition towards lead-free aviation fuels. The request is that these provisions be struck from the FAA Reauthorization bill in support of communities nationwide who continue to be exposed to unsafe levels of lead due to leaded aviation gasoline.