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Environmental Science & Technology|September 15, 2009
Life cycle inventory energy consumption and emissions for biodiesel versus petroleum diesel fueled construction vehiclesShih-Hao Pang, H Christopher Frey, William J RasdorfRisk Analysis : an Official Publication of the Society for Risk Analysis|August 2, 2014
Assessment of the effect of population and diary sampling methods on estimation of school-age children exposure to fine particlesW W Che, H Christopher Frey, Alexis K H LauEnvironmental Science & Technology|January 7, 2015
Comparison of sources of variability in school age children exposure to ambient PM₂.₅W W Che, H Christopher Frey, Alexis K H LauEnvironmental Science & Technology|May 17, 2016
Sequential Measurement of Intermodal Variability in Public Transportation PM2.5 and CO Exposure ConcentrationsW W Che, H Christopher Frey, Alexis K H LauAnnual Meeting & Exhibition Proceedings CD-ROM. Air & Waste Management Association. Meeting|October 31, 2014
Evaluation of the Modeling of Exposure to Environmental Tobacco Smoke (ETS) in the SHEDS-PM ModelYe Cao, H Christopher Frey, Xiaozhen Liu, et al.Atmospheric Environment (Oxford, England : 1994)|December 31, 2009
Analysis of coupled model uncertainties in source-to-dose modeling of human exposures to ambient air pollution: A PM(2.5) case studyHalûk Ozkaynak, H Christopher Frey, Janet Burke, et al.Journal of the Air & Waste Management Association (1995)|August 29, 2003
On-road measurement of vehicle tailpipe emissions using a portable instrumentH Christopher Frey, Alper Unal, Nagui M Rouphail, et al.Journal of the Air & Waste Management Association (1995)|May 8, 2015
In-use activity, fuel use, and emissions of heavy-duty diesel roll-off refuse trucksGurdas S Sandhu, H Christopher Frey, Shannon Bartelt-Hunt, et al.Environmental Research|September 25, 2017
Factors affecting variability in PM2.5 exposure concentrations in a metro systemZhiyuan Li, Wenwei Che, H Christopher Frey, et al.The Science of the Total Environment|November 20, 2020
Real-world activity, fuel use, and emissions of heavy-duty compressed natural gas refuse trucksGurdas S Sandhu, H Christopher Frey, Shannon Bartelt-Hunt, et al.Pageof 10