So uh, there was some studying being done at my local university about mapping health issues for residents living closer to airports and.... It ain't too great. :(
That's probably related to all the other chemicals they use at airports (eg forever chemicals in fire retardant). 100LL (100 octane low lead) is only used in small piston engines, which is a very small population. They're trying alternatives that don't use lead, but I'm reading that the top contender is eating through paint and possibly gaskets and seals in the plane, which isn't safe either.
Yes. My boomer father drives to airports to get leaded gas for his lawn equipment and generators. He thinks I'm over reacting when I refuse to be near any of that shit when it's running.