Center for Environmental Research and Technology

Publications 

Impacts of Exhaust Transfer System Contamination on Particulate Matter Measurements

Jiacheng Yang, Liem Pham, Kent Johnson, Thomas Durbin, Georgios Karavalakis, David Kittelson, Heejung Jung 

Emission Control Science and Technology | January 2020

Physical, chemical, and toxicological characteristics of particulate emissions from current technology gasoline direct injection vehicles

Jiacheng Yang, Patrick Roth, Christopher Ruehl, Martin Shafer, Dagmara Antkiewicz, Thomas Durbin, David Cocker, Akua Asa-Awuku, Georgios Karavalakis

Science of The Total Environment | February 2019

Very low particle matter mass measurements from light-duty vehicles

Jian Xuea, Kent Johnsona, Tom Durbin, Robert Russell, Liem Pham, Wayne Miller, Jacob Swanson, David Kittelson, Heejung Jung

Journal of Aerosol Science | March 2018

Gasoline Particulate Filters as an Effective Tool to Reduce Particulate and Polycyclic Aromatic Hydrocarbon Emissions from Gasoline Direct Injection (GDI) Vehicles: A Case Study with Two GDI Vehicles

Jiacheng Yang, Patrick Roth, Thomas D. Durbin, Kent C. Johnson, David R. Cocker,  Akua Asa-Awuku, Rasto Brezny, Michael Geller, Georgios Karavalakis

Environmental Science & Technology | February 2018

Evaluation of Partial Flow Dilution Systems for Very Low PM Mass Measurements

Liem Pham, Jiacheng Yang, Kent Johnson, Thomas Durbin, Georgios Karavalakis, Wayne Miller, David Kittelson, Heejung S. Jung

Emission Control Science and Technology | November 2018

Using a new inversion matrix for a fast-sizing spectrometer and a photo-acoustic instrument to determine suspended particulate mass over a transient cycle for light-duty vehicles

Jian Xue, Yang Li, David Quiros, Xiaoliang Wang, Thomas D. Durbin, Kent C. Johnson, Georgios Karavalakis, Shaohua Hu, Tao Huai, Alberto Ayala, Heejung S. Jung

Aerosol Science and Technology | September 2016

Characterizing emissions and optical properties of particulate matter from PFI and GDI light-duty gasoline vehicles

R. Bahreini, J. Xue, K. Johnson, T. Durbin, D. Quiros, S. Hu, T. Huai, A. Ayala, H. Jung

Journal of Aerosol Science | December 2015

Comparison of Vehicle Exhaust Particle Size Distributions Measured by SMPS and EEPS During Steady-State Conditions

Jian Xue, Yang Li, Xiaoliang Wang, Thomas D. Durbin, Kent C. Johnson,Georgios Karavalakis, Akua Asa-Awuku, Mark Villela, David Quiros, ShaohuaHu, Tao Huai, Alberto Ayala & Heejung S. Jung

Aerosol Science and Technology | September 2015

Integrating Cloud Condensation Nuclei Predictions with Fast Time Resolved Aerosol Instrumentation to Determine the Hygroscopic Properties of Emissions Over Transient Drive Cycles

D. Vu, D. Short, G. Karavalakis, T. Durbin, A. Asa-Awuku

Aerosol Science and Technology | October 2015

Time-Resolved Characterization of Diesel Particulate Emissions. 2. Instruments for Elemental and Organic Carbon Measurements

H. Moosmuller, W. Arnott, C. Rogers, J. Bowen, J. Gillies, W. Pierson, J. Collins, T. Durbin, J. Norbeck

American Chemical Society | April 2015

Population Density, Particulate Emission Characterization, and Impact on the Particulate Inventory of Smoking Vehicles in the South Coast Air Quality Management District

Thomas Durbin, Matthew Smith, Joseph Norbeck, Timohy Truex

J Air Waste Management Association | January 1999

Particulate Emission Rates from Light-Duty Vehicles in the South Coast Air Quality Management District

Thomas Durbin, Joseph Norbeck, Matthew Smith, Timothy Truex

Environmental Science Technology | November 1999