11R.32.090   Fuel spills.
   Persons engaged in aircraft fuel handling shall exercise care to prevent fuel spillage. In the event of fuel spillage involving aircraft, engines shall not be started until the spill area has been properly flushed or cleaned, or the aircraft has been moved to a safe distance from the spill.
(Res. No. 149 75-76 (part), Res. No. 68 86-87 §1 (part))