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  • Title: Trace anesthetic vapors in hospital operating-room environments.
    Author: Choi-Lao AT.
    Journal: Nurs Res; 1981; 30(3):156-61. PubMed ID: 6908959.
    Abstract:
    This study investigated concentrations of halothane anesthetic vapors in the operating rooms of two hospitals in the Ottawa, Ontario, Canada, area. Air samples, taken by active charcoal tubes and dosimeter badges, were analyzed by a gas chromatographic technique. Readings of 71 samples taken from hospital A and 65 samples from hospital B ranged from 1.0 to 29.4 parts per billion (ppb) for the active period and 0.1 to 3.8 ppb for the inactive period. All samples showed trace concentrations of halothane, but were well below the recommended maximal level.
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