NIOSH alerts on workplace hazards: exposure to chlorofluorocarbon 113 and electrocution of workers using portable metal ladders near overhead power lines.
D000395:Air Pollutants, Occupational / Q000009:adverse effects*; D005617:Chlorofluorocarbons, Methane; D004556:Electric Injuries / Q000517:prevention & control*; D004781:Environmental Exposure; D006801:Humans; D006846:Hydrocarbons, Halogenated / Q000009:adverse effects*; D009314:National Institute for Occupational Safety and Health, U.S.; D014481:United States
D000395:Air Pollutants, Occupational; D005617:Chlorofluorocarbons, Methane; D006846:Hydrocarbons, Halogenated