51.   A thick curtain of toxic fumes and intense heat hampered the search for victims of the truck fire that turned the Mont Blanc tunnel into a death chamber.

52.   An explosion Sunday in the paint shop of a Chrysler plant sparked a massive fire and toxic fumes, injuring five workers.

53.   An accident aboard a nuclear-powered submarine released toxic fumes that killed a Russian naval officer and injured four sailors, officials said Thursday.

54.   At least thirty people at the station were taken to the hospital after they inhaled toxic fumes, he said.

55.   Community residents have long worried about toxic fumes and some blamed failing water wells on the phosphate industry.

56.   Four female climbers were killed Monday apparently after inhaling toxic fumes from a volcano in northeastern Japan, police said.

57.   Hundreds of people were sickened last week by toxic fumes released Wednesday at a crowded train station and on Friday at a nearby shopping center.

58.   It also requires chemical processes generating toxic fumes or dust to be carried out in isolated areas.

59.   It emits toxic fumes when it evaporates, which can be fatal, they said.

60.   It is environmentally sound since the only byproduct is water, instead of toxic fumes and carbon dioxide, the major pollutant contributing to global warming.