Standards for physical environmental factors.
D003080:Cold Temperature / Q000009:adverse effects; D004781:Environmental Exposure; D006358:Hot Temperature / Q000009:adverse effects; D006801:Humans; D007883:Legislation, Medical; D009622:Noise / Q000009:adverse effects; D009787:Occupational Medicine / Q000592:standards*; D011827:Radiation / Q000009:adverse effects; D014481:United States; D014732:Vibration / Q000009:adverse effects