Watson, J.G. (2004). Protocol for applying and validating the CMB model for PM2.5 and VOC. Report Number EPA-451/R-04-001; prepared by U.S. Environmental Protection Agency, Research Triangle Park, NC, www.epa.gov/scram001/models/receptor/CMB_Protocol.pdf.
describes the effective variance performance measures and offers examples on how to use them. Remember that a source profile represents a source grouping, not individual sources. If profiles are similar, the source group must be broadened to include all source with similar profiles for the species measured. This was an issue issue in the recent Indian six-cities study
CPCB (2011). Air quality monitoring, emission inventory and source apportionment study for Indian cities. prepared by Central Pollution Control Board, New Delhi, India, http://cpcb.nic.in/FinalNationalSummary.pdf.
where the LPG profile was similar to several other profiles, including diesel exhaust, but was interpreted only as an LPG combustion contribution.
See the following open access article for the relationship among the effective variance, PMF, and UNMIX solutions.
Watson, J.G.; Chen, L.-W.A.; Chow, J.C.; Lowenthal, D.H.; Doraiswamy, P. (2008). Source apportionment: Findings from the U.S. Supersite Program. J. Air Waste Manage. Assoc., 58(2):265-288. http://pubs.awma.org/gsearch/journal/2008/2/10.3155-1047-3289.58.2.265.pdf.
Incidentally, all articles from the Air and Waste Management Association are available as open access one year after publication at http://www.tandfonline.com/loi/uawm20
Watson, J.G. (2004). Protocol for applying and validating the CMB model for PM2.5 and VOC. Report Number EPA-451/R-04-001; prepared by U.S. Environmental Protection Agency, Research Triangle Park, NC, www.epa.gov/scram001/models/receptor/CMB_Protocol.pdf.
describes the effective variance performance measures and offers examples on how to use them. Remember that a source profile represents a source grouping, not individual sources. If profiles are similar, the source group must be broadened to include all source with similar profiles for the species measured. This was an issue issue in the recent Indian six-cities study
CPCB (2011). Air quality monitoring, emission inventory and source apportionment study for Indian cities. prepared by Central Pollution Control Board, New Delhi, India, http://cpcb.nic.in/FinalNationalSummary.pdf.
where the LPG profile was similar to several other profiles, including diesel exhaust, but was interpreted only as an LPG combustion contribution.
See the following open access article for the relationship among the effective variance, PMF, and UNMIX solutions.
Watson, J.G.; Chen, L.-W.A.; Chow, J.C.; Lowenthal, D.H.; Doraiswamy, P. (2008). Source apportionment: Findings from the U.S. Supersite Program. J. Air Waste Manage. Assoc., 58(2):265-288. http://pubs.awma.org/gsearch/journal/2008/2/10.3155-1047-3289.58.2.265.pdf.
Incidentally, all articles from the Air and Waste Management Association are available as open access one year after publication at http://www.tandfonline.com/loi/uawm20
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