Exposure of firefighters to toxic air contaminants

Abstract
A personal sampling apparatus for firefighters was developed to sample the fire atmosphere for CO, CO2, O2, NO2, HCl, HCN and particulate content. Two fire companies made 90 successful sample runs during structural fires. CO presented a potential acute hazard and particulate concentrations were high. HCN was detected at low levels in half the samples. HCl was detected in only 8 samples but on 2 occasions exceeded 100 ppm. CO2 and NO2 levels and O2 depression do not appear to represent significant hazards.

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