Jet fuel never contained lead. (re: "chemtrails") Old small piston-engined aircraft are now in the processes of validating and phasing out leaded fuel. The pr

Jet fuel never contained lead. (re: "chemtrails") Old small piston-engined aircraft are now in the processes of validating and phasing out leaded fuel. The primary sources of lead people consume will be from industrial pollution, old paint, and old water pipes.