Description
This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) manufacturing or assembling complete aircraft; (2) developing and making aircraft prototypes; (3) aircraft conversion (i.e., major modifications to systems); and (4) complete aircraft overhaul and rebuilding (i.e., periodic restoration of aircraft to original design specifications). [NAICS] "In summary, this large-scale occupational cohort study with virtually complete follow-up and cause of death ascertainment and comprehensive exposure assessment found no consistent evidence of increased cancer risk overall or for any specific cancer type among aircraft workers, including those employed with direct exposure to TCE, PCE, chromates and mixed solvents over long periods of time." [PMID 21866047]