An environmental health program.
D000062:Accidents, Occupational / Q000517:prevention & control; D003365:Costs and Cost Analysis; D004782:Environmental Health; D006801:Humans; D007883:Legislation, Medical; D009786:Occupational Health Services; D009787:Occupational Medicine; D010578:Petroleum; D010808:Physical Examination; D014481:United States; D000078329:Workforce
D010578:Petroleum