Controlled exposures of volunteers to respirable carbon and sulfuric acid aerosols.

@article{Anderson1992ControlledEO,
  title={Controlled exposures of volunteers to respirable carbon and sulfuric acid aerosols.},
  author={Karen R Anderson and Edward L. Avol and S. A. Edwards and Dr. Adil E. Shamoo and Rhoda Peng and William S. Linn and Jack D. Hackney},
  journal={Journal of the Air & Waste Management Association},
  year={1992},
  volume={42 6},
  pages={770-6}
}
Respirable carbon or fly ash particles are suspected to increase the respiratory toxicity of coexisting acidic air pollutants, by concentrating acid on their surfaces and so delivering it efficiently to the lower respiratory tract. To investigate this issue, we exposed 15 healthy and 15 asthmatic volunteers in a controlled-environment chamber (21 degrees C, 50 percent relative humidity) to four test atmospheres: (i) clean air; (ii) 0.5-microns H2SO4 aerosol at approximately 100 micrograms/m3… CONTINUE READING
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