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2. National Ambient Air Quality Standards for Particulate Matter; U.S. Environmental Protection Agency: Washington, DC, 2004.
3. TSI Model 3321 Aerodynamic Particle Sizer Spectrometer: Instruction Manual: Revision E; TSI, Inc., Shoreview, MN, 2004.
4. Brockmann, J.E. Sampling and Transport of Aerosol. In Aerosol Measurement: Principles, Techniques, and Applications, 2nd ed.; Baron, P.A.; Willeke, K., Eds.; Van Nostrand Reinhold: New York, 2001; pp 143-195.