1. Seinfeld, J.; Pandis, S. Atmospheric Chemistry and Physics; John Wiley and Sons: New York, 1998.
2. National Ambient Air Quality Standards for Particulate Matter: Proposed Decision; 40 CFR 50 61 (241); Fed. Regist. 1996, 61 (241).
3. Finn, D.; Rumburg, B.; Claiborn, C.; Larson, T.; Koenig, J. Chemical Characterization of Fine Particulate Air Pollution in Spokane, Washington. Presented at PM2000: Particulate Matter and Health, Charleston, SC, January 2000.
4. Bachmeier, S. Asian Dust over the Pacific Ocean, 22-24 April, 1998. http://cimss.ssec.wisc.edu/goes/misc/980424.html, accessed August 2000.