While I am getting my PhD from Berkeley's School of Public Health, I am part of Bill Nazaroff's research group in the Department of Civil and Environmental Engineering, which focuses mostly on fundamental particle dynamics experiments and modeling. My contribution is based in exposure modeling. I have recently completed a study of size-resolved particle emissions from cigars and cigarettes and I am also initiating a population exposure modeling effort using the national human activity pattern survey (NHAPS). The research is part of the HEADSUP University Partnership Agreement (UPA) betwen the US EPA and Lawrence Berkeley National Laboratory.

For details see http://eetd.lbl.gov/ied/era/exposuremodeling.
Also see http://socrates.berkeley.edu/~nklepeis for more information.

NE Klepeis (1999) "The Validity of the Uniform Mixing Assumption: Determining Exposure to Environmental Tobacco Smoke", Environmental Health Perspectives Supplements 107(Suppl 2):357-363.

NE Klepeis (1999) "An Introduction to the Indirect Exposure Assessment Approach: Modeling Human Exposure Using Microenvironmental Measurements and the Recent National Human Activity Pattern Survey," Environmental Health Perspectives Supplements 107(Suppl 2):365-374.

NE Klepeis, MG Apte, LA Gundel, WW Nazaroff, RG Sextro (1999) "Characterizing ETS Emissions From Cigars: Chamber Measurements of Nicotine, Particle Mass, and Particle Size," Presented at Indoor Air '99, Edinburgh, Scotland.

NE Klepeis, WR Ott, J Repace (1999) "The Effect of Cigar Smoking on Indoor Levels of Carbon Monoxide and Particles," Journal of Exposure Analysis and Environmental Epidemiology, vol 10.

NE Klepeis, WC Nelson, AM Tsang, JP Robinson, SC Hern, WH Engelmann, JV Behar (1999) "The National Human Activity Pattern Survey (NHAPS): Data Collection Methodology and Selected Results," Journal of Exposure Analysis and Environmental Epidemiology (under revision).