Robert Harley

Preble, C.V.; Dallmann, T.R.; Kreisberg, N.M.; Hering, S.V.; Harley, R.A.; Kirchstetter, T.W. (2015). Effects of Particle Filters and Selective Catalytic Reduction on Heavy-Duty Diesel Drayage Truck Emissions at the Port of OaklandEnvironmental Science & Technology 49, in press. 

Bastien, L.A.J.; McDonald, B.C.; Brown, N.J.; Harley, R.A. (2015) High-Resolution Mapping of Sources Contributing to Urban Air Pollution Using Adjoint Sensitivity Analysis: Benzene and Diesel Black CarbonEnvironmental Science & Technology 49, 7276-7284. 

McDonald, B.C.; Goldstein, A.H.; Harley, R.A. (2015). Long-Term Trends in California Mobile Source Emissions and Ambient Concentrations of Black Carbon and Organic AerosolEnvironmental Science & Technology 49, 5178-5188. 

Wood, E.C.; Knighton, W.; Fortner, E.; Herndon, S.; Onasch, T.; Franklin, J.; Worsnop, D.; Dallmann, T.R.; Gentner, D.R.; Goldstein, A.H.; Harley, R.A. (2015). Ethylene Glycol Emissions from On-Road VehiclesEnvironmental Science & Technology 49, 3322-3329. 

Maness, H.; Thurlow, M.; McDonald, B.C.; Harley, R.A. (2015). Estimates of CO2 Traffic Emissions from Mobile Concentration MeasurementsJournal of Geophysical Research120, doi: 10.1002/2014JD022876. 

Tao, L.; Harley, R.A. (2014). Changes in Fine Particulate Matter Measurement Methods and Ambient Concentrations in CaliforniaAtmospheric Environment 98, 676-684. 

Dallmann, T.R.; Onasch, T.B.; Kirchstetter, T.W.; Worton, D.R.; Fortner, E.C.; Herndon, S.C.; Wood, E.C.; Franklin, J.P.; Worsnop, D.R.; Goldstein, A.H.; Harley, R.A. (2014). Characterization of Particulate Matter Emissions from On-Road Gasoline and Diesel Vehicles using a Soot Particle Aerosol Mass SpectrometerAtmospheric Chemistry and Physics 14, 7585-7599. 

Gentner, D.R. et al. (2014). Emissions of Organic Carbon and Methane from Petroleum and Dairy Operations in California's San Joaquin ValleyAtmospheric Chemistry and Physics 14, 4955-4978. 

McDonald, B.C.; McBride, Z.C.; Martin, E.W.; Harley, R.A. (2014). High-Resolution Mapping of Motor Vehicle Carbon Dioxide EmissionsJournal of Geophysical Research 119, 5283-5298, doi: 10.1002/2013JD021219. 

Worton, D.R.; Isaacman, G.; Gentner, D.R.; Dallmann, T.R.; Chan, A.W.H.; Ruehl, C.; Kirchstetter, T.W.; Wilson, K.R.; Harley, R.A.; Goldstein, A.H. (2014). Lubricating Oil Dominates Primary Organic Aerosol from Motor VehiclesEnvironmental Science & Technology 48, 3968-3706.

Joe, D.K.; Zhang, H.; DeNero, S.P.; Lee, H.H.; Chen, S.; McDonald, B.C.; Harley, R.A.; Kleeman, M.J. (2014). Implementation of a High-Resolution WRF/Chem Model at the Port of OaklandAtmospheric Environment 82, 351-363.

Dallmann, T.R.; Kirchstetter, T.W.; DeMartini, S.J.; Harley, R.A. (2013). Quantifying On-Road Emissions from Gasoline-Powered Motor Vehicles: Accounting for the Presence of Medium- and Heavy-Duty Diesel TrucksEnvironmental Science & Technology 47, 13873-13881.

Gentner, D.R.; Worton, D.R.; Isaacman, G.; Davis, L.C.; Dallmann, T.R.; Wood, E.C.; Herndon, S.C.; Goldstein, A.H.; Harley, R.A. (2013). Chemical Composition of Gas-Phase Organic Carbon Emissions from Motor Vehicles and Implications for Ozone ProductionEnvironmental Science & Technology 47, 11837-11848.

Tao, I.; Fairley, D.; Kleeman, M.J.; Harley, R.A. (2013). Effects of Switching to Lower Sulfur Marine Fuel on Air Quality in the San Francisco Bay Area.Environmental Science & Technology 47, 10171-10178.

McDonald, B.C.; Gentner, D.R.; Goldstein, A.H.; Harley, R.A. (2013). Long-Term Trends in Motor Vehicle Emissions in U.S. Urban AreasEnvironmental Science & Technology 47, 10022-10031.

Chan, A.W.H. et al. (2013). Detailed Chemical Characterization of Unresolved Complex Mixtures in Atmospheric Organics: Insights into Emission Sources, Atmospheric Processing, and Secondary Organic Aerosol FormationJournal of Geophysical Research 118, doi: 10.1002/jgrd.50533.

Warneke, C. et al. (2013). Photochemical Aging of Volatile Organic Compounds in the Los Angeles Basin: Weekday-Weekend EffectJournal of Geophysical Research 118, doi: 10.1002/jgrd.50423.

Peischl, J. et al. (2013). Quantifying Sources of Methane and Light Alkanes in the Los Angeles Basin, CaliforniaJournal of Geophysical Research 118, doi: 10.1002/jgrd.50413.

Kuwayama, T.; Schwartz, J.R.; Harley, R.A.; Kleeman, M.J. (2013). Particulate Matter Emissions Reductions Due to Adoption of Clean Diesel Technology at a Major Shipping PortAerosol Science & Technology 47, 29-36.

Gentner, D.R.; Isaacman, G.; Worton, D.R.; Chan, A.W.H.; Dallmann, T.R.; Davis, L.; Liu, S.; Day, D.A.; Russell, L.M.; Wilson, K.R.; Weber, R.; Guha, A.; Harley, R.A.; Goldstein, A.H. (2012). Elucidating Secondary Organic Aerosol from Diesel and Gasoline Vehicles Through Detailed Characterization of Organic Carbon EmissionsProceedings of the National Academy of Sciences 109, 18318-18323.

McDonald, B.C.; Dallmann, T.R.; Martin, E.W.; Harley, R.A. (2012). Long-Term Trends in Nitrogen Oxide Emissions from Motor Vehicles at National, State, and Air Basin ScalesJournal of Geophysical Research 117, D00V18, doi: 10.1029/2012JD018304.

de Gouw, J.A. et al. (2012). Increasing Atmospheric Burden of Ethanol in the United StatesGeophysical Research Letters 39, L15803, doi: 10.1029/2012GL052109.

Dallmann, T.R.; DeMartini, S.J.; Kirchstetter, T.W.; Herndon, S.C.; Onasch, T.B.; Wood, E.C.; Harley, R.A. (2012). On-Road Measurement of Gas and Particle Phase Pollutant Emission Factors for Individual Heavy-Duty Diesel TrucksEnvironmental Science & Technology 46, 8511–8518.

Shearer, S.N.; Harley, R.A.; Jin, L.; Brown, N.J. (2012). Comparison of SAPRC99 and SAPRC07 Mechanisms in Photochemical Modeling for Central CaliforniaAtmospheric Environment 46, 205-216. 

Dallmann, T.R.; Harley, R.A.; Kirchstetter, T.W. (2011). Effects of Diesel Particle Filter Retrofits and Accelerated Fleet Turnover on Drayage Truck Emissions at the Port of OaklandEnvironmental Science & Technology 45, 10773-10779. 

Jin, L.; Harley, R.A.; Brown, N.J. (2011). Ozone Pollution Regimes Modeled for a Summer Season in California's San Joaquin Valley: A Cluster Analysis.Atmospheric Environment 45, 4707-4718. 

Mollner, A.K.; Valluvadasan, S.; Feng, L.; Sprague, M.K.; Okumura, M.; Milligan, D.B.; Bloss, W.J.; Sander, S.P.; Martien, P.T.; Harley, R.A.; McCoy, A.B.; Carter, W.P.L. (2010). Rate of Gas Phase Association of Hydroxyl Radical and Nitrogen DioxideScience 330, 646-649. 

Dallmann, T.R.; Harley, R.A. (2010). Evaluation of Mobile Source Emission Trends in the United StatesJournal of Geophysical Research 115, D14305, doi: 10.1029/2010JD013862.

Millstein, D.E.; Harley, R.A. (2010). Effects of Retrofitting Emission Control Systems on In-Use Heavy Diesel VehiclesEnvironmental Science & Technology 44, 5042-5048.

Sathaye, N.; Harley, R.A.; Madanat, S. (2010). Unintended Environmental Impacts of Nighttime Freight Logistics ActivitiesTransportation Research Part A: Policy and Practice 44, 642-659.

Jin, L.; Brown, N.J.; Harley, R.A.; Bao, J.; Michelson, S.A.; Wilczak, J.M. (2010). Seasonal versus Episodic Performance Evaluation for an Eulerian Photochemical Air Quality ModelJournal of Geophysical Research 115, D09302, doi: 10.1029/2009JD012680.

Strawa, A.W.; Kirchstetter, T.W.; Hallar, A.G.; Ban-Weiss, G.A.; McLaughlin, J.P.; Harley, R.A.; Lunden, M.M. (2010). Optical and Physical Properties of Primary On-Road Vehicle Particle Emissions and Their Implications for Climate ChangeJournal of Aerosol Science 41, 36-50. 

Ban-Weiss, G.A.; Lunden, M.M.; Kirchstetter, T.W.; Harley, R.A. (2010). Size-Resolved Particle Number and Volume Emission Factors for On-Road Gasoline and Diesel Motor VehiclesJournal of Aerosol Science 41, 5-12. 

Millstein, D.E.; Harley, R.A. (2009). Revised Estimates of Construction Activity and Emissions: Effects on Ozone and Elemental Carbon Concentrations in Southern CaliforniaAtmospheric Environment 43, 6328-6335. 

Weaver, C.P. et al. (2009). A Preliminary Synthesis of Modeled Climate Change Impacts on U.S. Regional Ozone ConcentrationsBulletin of the American Meteorological Society 90, 1843-1863. 

Millstein, D.E.; Harley, R.A. (2009). Impact of Climate Change on Photochemical Air Pollution in Southern CaliforniaAtmospheric Chemistry and Physics 9, 3745-3754. 

Gentner, D.R.; Harley, R.A.; Miller, A.M.; Goldstein, A.H. (2009). Diurnal and Seasonal Variability of Gasoline-Related Volatile Organic Compound Emissions in Riverside, CaliforniaEnvironmental Science & Technology 43, 4247-4252.

Gilman, J.B. et al. (2009). Measurements of Volatile Organic Compounds during the 2006 TexAQS/GoMACCS Campaign: Industrial Influences, Regional Characteristics, and Diurnal Dependencies of the OH ReactivityJournal of Geophysical Research 114, D00F06, doi: 10.1029/2008JD011525.

Ban-Weiss, G.A.; Lunden, M.M.; Kirchstetter, T.W.; Harley, R.A. (2009). Measurement of Black Carbon and Particle Number Emission Factors from Individual Heavy-Duty TrucksEnvironmental Science & Technology 43, 1419-1424.

Kean, A.J.; Ban-Weiss, G.A.; Harley, R.A.; Kirchstetter, T.W.; Lunden, M.M. (2009). Trends in On-Road Vehicle Emissions of AmmoniaAtmospheric Environment 43, 1565-1570.

Tonse, S.; Brown, N.J.; Jin, L.; Harley, R.A. (2008). A Process-Analysis Based Study of the Ozone Weekend EffectAtmospheric Environment 42, 7728-7736.

Ban-Weiss, G.A.; McLaughlin, J.P.; Harley, R.A.; Kean, A.J.; Grosjean, E.; Grosjean, D. (2008). Carbonyl and Nitrogen Dioxide Emissions from Gasoline- and Diesel-Powered Motor VehiclesEnvironmental Science & Technology 42, 3944-3950. 

Jin, L.; Tonse, S.; Cohan, D.; Mao, X.; Harley, R.A.; Brown, N.J. (2008). Sensitivity Analysis of Ozone Formation and Transport for a Central California Air Pollution EpisodeEnvironmental Science & Technology 42, 3683-3689.

Steiner, A.L.; Cohen, R.C.; Harley, R.A.; Tonse, S.; Goldstein, A.H.; Millet, D.; Schade, G. (2008). VOC Reactivity in Central California: Comparing an Air Quality Model to Ground-Based MeasurementsAtmospheric Chemistry and Physics 8, 351-368. 

Millstein, D.E.; Harley, R.A.; Hering, S.V. (2008). Weekly Cycles in Fine Particulate NitrateAtmospheric Environment 42, 632-641.  

Ban-Weiss, G.A.; McLaughlin, J.P.; Harley, R.A.; Lunden, M.M.; Kirchstetter, T.W.; Kean, A.J.; Strawa, A.W.; Stevenson, E.D.; Kendall, G.R. (2008). Long-Term Changes in Emissions of Nitrogen Oxides and Particulate Matter from On-Road Gasoline and Diesel VehiclesAtmospheric Environment 42, 220-232.

Steiner, A.L.; Tonse, S.; Cohen, R.C.; Goldstein, A.H.; Harley, R.A. (2007). Biogenic 2-Methyl-3-Buten-2-ol Increases Regional Ozone and HOx Sources.Geophysical Research Letters 34, L15806, doi: 10.1029/2007GL030802. 

Steiner, A.L.; Tonse, S.; Cohen, R.C.; Goldstein, A.H.; Harley, R.A. (2006). Influence of Future Climate and Emissions on Regional Air Quality in California.Journal of Geophysical Research 111, D18303, doi:10.1029/2005JD006935.

Harley, R.A.; Hooper, D.S.; Kean, A.J.; Kirchstetter, T.W.; Hesson, J.M.; Balberan, N.T.; Stevenson, E.D.; Kendall, G.R. (2006). Effects of Reformulated Gasoline and Motor Vehicle Fleet Turnover on Emissions and Ambient Concentrations of BenzeneEnvironmental Science & Technology 40, 5084-5088.

Martien, P.T.; Harley, R.A. (2006). Adjoint Sensitivity Analysis for a Three-Dimensional Photochemical Model: Application to Southern CaliforniaEnvironmental Science & Technology 40, 4200-4210.

Martien, P.T.; Harley, R.A.; Cacuci, D.G. (2006). Adjoint Sensitivity Analysis for a Three-Dimensional Photochemical Model: Implementation and Method ComparisonEnvironmental Science & Technology 40, 2663-2670.

Rubin, J.I.; Kean, A.J.; Harley, R.A.; Millet, D.B.; Goldstein, A.H. (2006). Temperature Dependence of Volatile Organic Compound Evaporative Emissions from Motor VehiclesJournal of Geophysical Research 111, D03305, doi: 10.1029/2005JD006458.

Harley, R.A.; Marr, L.C.; Lehner, J.K.; Giddings, S.N. (2005). Changes in Motor Vehicle Emissions on Diurnal to Decadal Time Scales and Effects on Atmospheric CompositionEnvironmental Science & Technology39, 5356-5362.

Fortin, T.J.; Howard, B.J.; Parrish, D.D.; Goldan, P.D.; Kuster, W.C.; Atlas, E.L.; Harley, R.A. (2005). Trends in U.S. Benzene Emissions Derived from Atmospheric MeasurementsEnvironmental Science & Technology39, 1403-1408.

Andrade, M.F.; Ynoue, R.Y.; Harley, R.; Miguel, A.H. (2004). Air Quality Model Simulating Photochemical Formation of Pollutants: the Sao Paulo Metropolitan Area, Brazil. International Journal of Environment and Pollution 22, 460-475.

McGaughey, G.R.; Desai, N.R.; Allen, D.T.; Seila, R.L.; Lonneman, W.A.; Fraser, M.P.; Harley, R.A; Pollack, A.K.; Ivy, J.M.; Price, J.H. (2004). Analysis of Motor Vehicle Emissions in a Houston Tunnel During the Texas Air Quality Study 2000Atmospheric Environment 38, 3363-3372. 

Hakami, A.; Harley, R.A.; Milford, J.B.; Odman, M.T.; Russell, A.G. (2004). Regional, Three-Dimensional Assessment of the Ozone Formation Potential of Organic CompoundsAtmospheric Environment 38, 121-134.

Fraser, M. P.; Buzcu, B.; Yue, Z. W.; McGaughey, G. R.; Desai, N. R.; Allen, D. T.; Seila, R. L.; Lonneman, W. A.; Harley, R. A. (2003). Separation of Fine Particulate Matter Emitted from Gasoline and Diesel Vehicles Using Chemical Mass Balancing TechniquesEnvironmental Science & Technology 37, 3904-3909.

Kean, A.J.; Harley, R.A.; Kendall, G.R. (2003). Effects of Vehicle Speed and Engine Load on Motor Vehicle EmissionsEnvironmental Science & Technology 37, 3739-3746.

Martien, P.T.; Harley, R.A.; Milford, J.B.; Russell, A.G. (2003). Evaluation of Incremental Reactivity and Its Uncertainty in Southern CaliforniaEnvironmental Science & Technology 37, 1598-1608.

Marr, L.C.; Harley, R.A. (2002). Modeling the Effect of Weekday-Weekend Differences in Motor Vehicle Emissions on Photochemical Air Pollution in Central CaliforniaEnvironmental Science & Technology 36, 4099-4106.

Parrish, D.D.; Trainer, M.; Hereid, D.; Williams, E.J.; Olszyna, K.J.; Harley, R.A.; Meagher, J.F.; Fehsenfeld, F.C. (2002). Decadal Change in Carbon Monoxide to Nitrogen Oxide Ratio in U.S. Vehicular EmissionsJournal of Geophysical Research 107(D12), 4140, doi: 10.1029/2001JD000720.

Marr, L.C.; Harley, R.A. (2002). Spectral Analysis of Weekday-Weekend Differences in Ambient Ozone, Nitrogen Oxide, and Non-methane Hydrocarbon Time Series in CaliforniaAtmospheric Environment 36, 2327-2335.

Marr, L.C.; Noblet, G.S.; Harley, R.A. (2002). Formation of Photochemical Air Pollution in Central California. 2. Impact of Revised Emissions on Eulerian Model PredictionsJournal of Geophysical Research 107(D6), 4048, doi: 10.1029/2001JD000690.

Marr, L.C.; Black, D.R.; Harley, R.A. (2002). Formation of Photochemical Air Pollution in Central California. 1. Development of a Revised Motor Vehicle Emission InventoryJournal of Geophysical Research 107(D6), 4047, doi: 10.1029/2001JD000689.

Vuilleumier, L.; Bamer, J.T.; Harley, R.A.; Brown, N.J. (2001). Evaluation of Nitrogen Dioxide Photolysis Rates in an Urban Area Using Data from the Southern California Ozone StudyAtmospheric Environment 35, 6525-6537.

Kean, A.J.; Grosjean, E.; Grosjean, D.; Harley, R.A. (2001). On-Road Measurement of Carbonyls in California Light-duty Vehicle Emissions. Environmental Science & Technology 35, 4198-4204.

Harley, R.A.; McKeen, S.A.; Pearson, J.; Rodgers, M.O.; Lonneman, W.A. (2001). Analysis of Motor Vehicle Emissions During the Nashville/Middle Tennessee Ozone StudyJournal of Geophysical Research 106(D4), 3559-3567.

Vuilleumier, L.; Harley, R.A.; Brown, N.J.; Slusser, J.R.; Kolinski, D.; Bigelow, D.S. (2001). Variability in Ultraviolet Total Optical Depth During the Southern California Ozone Study (SCOS97)Atmospheric Environment 35, 1111-1122.

Kean, A.J.; Sawyer, R.F.; Harley, R.A. (2000). A Fuel-Based Assessment of Off-Road Diesel Engine EmissionsJournal of the Air & Waste Management Association 50, 1929-1939.

Harley, R.A.; Coulter-Burke, S.C.; Yeung, T.S. (2000). Relating Liquid Fuel and Headspace Vapor Composition for California Reformulated Gasoline Samples Containing EthanolEnvironmental Science & Technology 34, 4088-4094.

Kean, A.J.; Harley, R.A.; Littlejohn, D.; Kendall, G.R. (2000). On-Road Measurement of Ammonia and Other Motor Vehicle Exhaust EmissionsEnvironmental Science & Technology 34, 3535-3539.

Black, D.R.; Harley, R.A.; Hering, S.V.; Stolzenburg, M.R. (2000). A New, Portable, Real-Time Ozone MonitorEnvironmental Science & Technology 34, 3031-3040.

Sawyer, R.F.; Harley, R.A.; Cadle, S.H.; Slott, R.; Gorse, R.A.; Norbeck, J.M.; Bravo, H.A. (2000). Mobile Sources Critical ReviewAtmospheric Environment 34, 2161-2181.

Singer, B.C.; Harley, R.A. (2000). A Fuel-Based Inventory of Motor Vehicle Exhaust Emissions in the Los Angeles Area During Summer 1997Atmospheric Environment 34, 1783-1795.

Marr, L.C.; Kirchstetter, T.W.; Harley, R.A.; Miguel, A.H.; Hering, S.V.; Hammond, S.K. (1999). Characterization of Polycyclic Aromatic Hydrocarbons in Motor Vehicle Fuels and Exhaust EmissionsEnvironmental Science & Technology 33, 3091-3099.

Kirchstetter, T.W.; Harley, R.A.; Kreisberg, N.M.; Stolzenburg, M.R.; Hering, S.V. (1999). On-Road Measurement of Fine Particle and Nitrogen Oxide Emissions from Light- and Heavy-Duty Motor VehiclesAtmospheric Environment 33, 2955-2968. [See also CORRECTION].

Bergin, M.S.; Noblet, G.S.; Petrini, K.; Dhieux, J.R.; Milford, J.B.; Harley, R.A. (1999). Formal Uncertainty Analysis of a Lagrangian Photochemical Air Pollution ModelEnvironmental Science & Technology 33, 1116-1126.

Singer, B.C.; Kirchstetter, T.W.; Harley, R.A.; Kendall, G.R.; Hesson, J.M. (1999). A Fuel-Based Approach to Estimating Motor Vehicle Cold Start EmissionsJournal of the Air & Waste Management Association 49, 125-135.

Kirchstetter, T.W.; Singer, B.C.; Harley, R.A.; Kendall, G.R.; Hesson, J.M. (1999). Impact of California Reformulated Gasoline on Motor Vehicle Emissions. 2. Volatile Organic Compound Speciation and ReactivityEnvironmental Science & Technology 33, 329-336.

Kirchstetter, T.W.; Singer, B.C.; Harley, R.A.; Kendall, G.R.; Traverse, M. (1999). Impact of California Reformulated Gasoline on Motor Vehicle Emissions. 1. Mass Emission RatesEnvironmental Science & Technology 33, 318-328.

Singer, B.C.; Harley, R.A.; Littlejohn, D.; Ho, J.; Vo, T. (1998). Scaling of Infrared Remote Sensor Hydrocarbon Measurements for Motor Vehicle Emission Inventory CalculationsEnvironmental Science & Technology 32, 3241-3248.

Marr, L.C.; Morrison, G.C.; Nazaroff, W.W.; Harley, R.A. (1998). Reducing the Risk of Accidental Death Due to Vehicle-Related Carbon Monoxide PoisoningJournal of the Air & Waste Management Association 48, 899-906.

Dreher, D.B.; Harley, R.A. (1998). A Fuel-Based Inventory for Heavy-Duty Diesel Truck EmissionsJournal of the Air & Waste Management Association 48, 352-358.

Miguel, A.H.; Kirchstetter, T.W.; Harley, R.A.; Hering, S.V. (1998). On-Road Emissions of Particulate Polycyclic Aromatic Hydrocarbons and Black Carbon from Gasoline and Diesel VehiclesEnvironmental Science & Technology 32, 450-455.

Harley, R.A.; Sawyer, R.F.; Milford, J.B. (1997). Updated Photochemical Modeling for California's South Coast Air Basin: Comparison of Chemical Mechanisms and Motor Vehicle Emission InventoriesEnvironmental Science & Technology 31, 2829-2839.

Vuilleumier, L.; Harley, R.A.; Brown, N.J. (1997). First- and Second-Order Sensitivity Analysis of a Photochemically Reactive System (A Green's Function Approach)Environmental Science & Technology 31, 1206-1217.

McNair, L.A.; Harley, R.A.; Russell, A.G. (1996). Spatial Inhomogeneity in Pollutant Concentrations and Implications for Air Quality Model EvaluationAtmospheric Environment 30, 4291-4301.

Kirchstetter, T.W.; Harley, R.A.; Littlejohn, D. (1996). Measurement of Nitrous Acid Emissions in Motor Vehicle ExhaustEnvironmental Science & Technology30, 2843-2849.

Kirchstetter, T.W.; Singer, B.C.; Harley, R.A.; Kendall, G.R.; Chan, W. (1996). Impact of Oxygenated Gasoline Use on California Light-Duty Vehicle EmissionsEnvironmental Science & Technology 30, 661-670.

Singer, B.C.; Harley, R.A. (1996). A Fuel-Based Motor Vehicle Emission Inventory. Journal of the Air & Waste Management Association 46, 581-593.

Winner, D.A.; Cass, G.R.; Harley, R.A. (1995). The Effect of Alternative Boundary Conditions on Predicted Ozone Control Strategy PerformanceAtmospheric Environment 29, 3451-3464.

Harley, R.A.; Cass, G.R. (1995). Modeling the Atmospheric Concentrations of Individual Volatile Organic CompoundsAtmospheric Environment 29, 905-922.

Harley, R.A.; Cass, G.R. (1994). Modeling the Concentrations of Gas-Phase Toxic Organic Air Pollutants: Direct Emissions and Atmospheric Formation.Environmental Science & Technology 28, 88-98.

Russell, A.G.; Winner, D.A.; Harley, R.A.; McCue, K.F.; Cass, G.R. (1993). Mathematical Modeling and Control of the Dry Deposition Flux of Nitrogen-Containing Air Pollutants. Environmental Science & Technology 27, 2772-2782.

Harley, R.A.; Russell, A.G.; Cass, G.R. (1993). Mathematical Modeling of the Concentrations of Volatile Organic Compounds: Model Performance Using a Lumped Chemical Mechanism. Environmental Science & Technology 27, 1638-1649.

Harley, R.A.; Russell, A.G.; McRae, G.J.; Cass, G.R.; Seinfeld, J.H. (1993). Photochemical Modeling of the Southern California Air Quality Study. Environmental Science & Technology 27, 378-388.

Harley, R.A.; Hannigan, M.P.; Cass, G.R. (1992). Respeciation of Organic Gas Emissions and the Detection of Excess Unburned Gasoline in the Atmosphere.Environmental Science & Technology 26, 2395-2408.

Pandis, S.N.; Harley, R.A.; Cass, G.R.; Seinfeld, J.H. (1992). Secondary Organic Aerosol Formation and Transport. Atmospheric Environment 26A, 2269-2282.

Harley, R.A.; Hunts, S.E.; Cass, G.R. (1989). Strategies for the Control of Particulate Air Quality: Least-Cost Solutions Based on Receptor-Oriented Models.Environmental Science & Technology 23, 1007-1014.