www.assemblymag.com/articles/90868-co-sickens-workers-at-canadian-assembly-plant

CO Sickens Workers at Canadian Assembly Plant
January 25, 2013
MIRAMICHI, NB—Some three dozen workers at an assembly plant here were hospitalized for carbon monoxide poisoning. Authorities suspect a propane heater could have spewed the colorless, odorless gas into the plant. MORE