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Application of Methods for Evaluating Air Cleaner Performance

R.J. Reynolds Tobacco Company, Bowman Gray Technical Center, Winston-Salem, N.C., USA

S.B. Sears

R.J. Reynolds Tobacco Company, Bowman Gray Technical Center, Winston-Salem, N.C., USA

D.L. Heavner

R.J. Reynolds Tobacco Company, Bowman Gray Technical Center, Winston-Salem, N.C., USA

Real-time data obtained with an atmospheric pressure chemical ionization mass spectrometer were used for both qualitative and quantitative evaluation of air cleaner performance. Differences among air cleaners were evaluated by performing ANOVA followed by a Bonferroni-normalized multiple compari son test on the average concentration of each analyte when the air cleaners were on and off. A mathematical model was developed and applied which permits air cleaner efficiencies and clean air delivery rates to be determined by performing a kinetic analysis of the real-time data for each analyte. This new method for determining clean air delivery rate is broadly applicable to any steady-state concentration data and does not require real-time data for appli cation.

Key Words: Environmental tobacco smoke • Indoor air quality • Air cleaner • Filtration • Mass spectrometry

Indoor and Built Environment, Vol. 2, No. 2, 111-117 (1993)
DOI: 10.1177/1420326X9300200207


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