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BOULDER, Colo. (AP) - Fumes from chemicals mixed by a maintenance crew sent seven factory workers to hospitals Thursday and forced 150 to evacuate, officials said.
The fumes at the Lexmark International plant north of Boulder were created when the maintenance workers mixed two chemicals to treat some floors, company spokesman Tim Fitzpatrick said.
The chemicals involved were not immediately identified, but doctors said they created a mild respiratory irritant that sometimes causes nausea, Boulder County spokeswoman Patricia Demchak said.
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