As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT, FLT ATTENDANTS REPORTED FUMES IN AFT GALLEY, SMELLED LIKE JET FUEL. EMERGENCY WAS DECLARED, LANDED IN STL WITHOUT INCIDENT. INSPECTION FOUND FUMES TO BE FROM GALLEY TRASH BIN AND CLEANING FLUID RESIDUE. REMOVED TRASH, RETURNED TO SERVICE.