Carbon monoxide exposures from snow melting machines.
D000062:Accidents, Occupational / Q000517:prevention & control*; D002249:Carbon Monoxide Poisoning / Q000097:blood / Q000209:etiology*; D006801:Humans; D008297:Male; D008452:Maximum Allowable Concentration; D012037:Refuse Disposal / Q000295:instrumentation; D013672:Technology