field study
['HHE determination report no. HHE-72-96-237, Trans World Airlines main overhaul facility, Kansas City International Airport, Kansas City, Missouri 64195', 'toluene', 'field study', 'National Institute for Occupational Safety and Health', 'HHE determination report no. HHE-72-96-237, Trans World Airlines main overhaul facility, Kansas City International Airport, Kansas City, Missouri 64195']