OSHA issues safety rule for confined-space entry.
D000062:Accidents, Occupational / Q000517:prevention & control; D005161:Facility Regulation and Control / Q000331:legislation & jurisprudence; D008284:Maintenance and Engineering, Hospital / Q000331:legislation & jurisprudence* / Q000458:organization & administration; D016272:Occupational Health / Q000331:legislation & jurisprudence*; D016134:Organizational Policy; D014481:United States; D014489:United States Occupational Safety and Health Administration