Earlier quoted context omitted.
The newer location is about 3 miles southwest of the Memphis Airport (MEM), one of the world’s largest cargo airports and the center of FedEx operations (500 take-off and landings per day most concentrated in a 6 h FedEx window with lots of engines running on ramps and that produces about 2000 tons of NOx per year). I live about 18 miles downwind of the new Colossus sites, the airport, and lots of truck logistics sit…
Your math is way wrong. The airport is and will be far, far worse. You didn't even mention all of the lead
i would expect close to no 100LL burning planes use MEM.