PMF analysis of wide-range particle size spectra collected on a major highway.

  title={PMF analysis of wide-range particle size spectra collected on a major highway.},
  author={R. Mark Harrison and David C. S. Beddows and Manuel Dall'Osto},
  journal={Environmental science & technology},
  volume={45 13},
Particle number concentration data have been collected on a very busy road in central London (Marylebone Road). Continuous size distributions from 15 nm to 10 μm diameter, collected over 21 days, were analyzed using positive matrix factorization which identified 10 factors, five of which were observed to make major contributions (greater than 8%) to either the total number or volume of particulate matter. The sources associated with each factor were identified from the size distribution… CONTINUE READING


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