title: Threshold limit values for extraordinary work schedules.
mesh_terms: D000393:Air Pollutants; D000395:Air Pollutants, Occupational; D004781:Environmental Exposure; D006801:Humans; D008452:Maximum Allowable Concentration; D013997:Time Factors
chemical_list: D000393:Air Pollutants; D000395:Air Pollutants, Occupational