As many as a dozen people reported feeling ill after a chemical spill at a Dallas Love Field communications office.
Dallas Fire-Rescue's Jason Evans told NBC 5 that a 60-gallon container of industrial strength cleaning fluid spilled.
Vapors from the chemical got into the air conditioning unit and spread through the building.
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Evans said between 10 and 12 people reported feeling ill and were being evaluated at the scene.
Jose Torres, an employee with the airport's media relations office, said the communication office was evacuated due to the spill.
DFR said none of those who complained of illness were hospitalized.