Source Apportionment: Findings from the U.S. Supersites Program

References

• Zannetti, P. Air Quality Modeling: Theories, Methodologies, Computational Techniques, and Available Databases and Software Vol. I Fundamentals; A&WMA: Pittsburgh, 2003.
   Google Scholar
• Zannetti, P. Air Quality Modeling: Theories, Methodologies, Computational Techniques, and Available Databases and Software Vol. II Advanced Topics; A&WMA: Pittsburgh, 2005.
   Google Scholar
• U.S. Environmental Protection Agency. Guidance on the Use of Models and Other Analyses for Demonstrating Attainment of Air Quality Goals for Ozone, PM2.5, and Regional Haze Draft 3.2; U.S. Environmental Protection Agency: Research Triangle Park, NC, 2006; available at http://www.epa.gov/ttn/scram/guidance/guide/draft_final-pm-O3-RH.pdf (accessed 2007).
   Google Scholar
• Buzcu-Guven, B.; Brown, S.G.; Frankel, A.; Hafner, H.R.; Roberts, P.T. Analysis and Apportionment of Organic Carbon and Fine Particulate Matter Sources at Multiple Sites in the Midwestern United States; J. Air & Waste Manage. Assoc . 2007, 57, 606–619.
   Google Scholar
• Feng, Y.C.; Shi, G.L.; Wu, J.H.; Wang, Y.Q.; Zhu, T.; Dai, S.G.; Pei, Y.Q. Source Analysis of Particulate-Phase Polycyclic Aromatic Hydro-carbons in an Urban Atmosphere of a Northern City in China; J. Air & Waste Manage. Assoc . 2007, 57, 164–171.
   Google Scholar
• Fujita, E.M.; Zielinska, B.; Campbell, D.E.; Arnott, W.P.; Sagebiel, J.C.; Mazzoleni, L.; Chow, J.C.; Gabele, P.A.; Crews, W.; Snow, R.; Clark, N.N.; Wayne, W.S.; Lawson, D.R. Variations in Speciated Emissions from Spark-Ignition and Compression-Ignition Motor Vehicles in California’s South Coast Air Basin; J. Air & Waste Manage. Assoc . 2007, 57, 705–720.
   Google Scholar
• Pitchford, M.L.; Schichtel, B.A.; Gebhart, K.A.; Barna, M.G.; Malm, W.C.; Tombach, I.H.; Knipping, E.M. Reconciliation and Interpretation of Big Bend National Park’s Particulate Sulfur Source Apportionment: Results from the BRAVO Study, Part II; J. Air & Waste Manage. Assoc . 2005, 55, 1726–1732.
   Google Scholar
• Fujita, E.M.; Croes, B.E.; Bennett, C.L.; Lawson, D.R.; Lurmann, F.W.; Main, H.H. Comparison of Emission Inventory and Ambient Concentration Ratios of CO, NMOG, and NOx in California’s South Coast Air Basin; J. Air & Waste Manage. Assoc . 1992, 42, 264–276.
   Google Scholar
• Brock, C.A.; Eatough, D.J.; Soloman, P.A. Preface to Special Section on Particulate Matter: Atmospheric Sciences, Exposure, and the Fourth Colloquium on Particulate Matter and Human Health; J. Geophys. Res. 2004, 109, D16, doi: 10.1029/2004JD005040.
   Google Scholar
• Chow, J.C.; Watson, J.G.; Chen, L.-W.A. Contemporary Inorganic and Organic Speciated Particulate Matter Source Profiles for Geological Material, Motor Vehicles, Vegetative Burning, Industrial Boilers, and Residential Cooking; Draft Report; Desert Research Institute: Reno, NV, 2004.
   Google Scholar
• Chow, J.C.; Solomon, P.A. Introduction: a Special Issue of the Journal of the Air & Waste Management Association on the Particulate Matter Supersites Program and Related Studies; J. Air & Waste Manage. Assoc. 2006, 56, 369.
   Google Scholar
• Geller, M.D.; Solomon, P.A. Special Issue of Aerosol Science and Technology for Particulate Matter Supersites Program and Related Studies—Preface; Aerosol Sci. Technol. 2006, 40, 735–736.
   Google Scholar
• Middlebrook, A.; Turner, J.; Solomon, P.A. Special Issue of Atmospheric Environment for Particulate Matter: Atmospheric Sciences, Exposure, and the Fourth Colloquium on PM and Human Health; Atmos. Environ. 2004, 38, 5179–5181.
   Google Scholar
• Ondov, J.M.; Davidson, C.I.; Solomon, P.A. Preface: Special Issue of Aerosol Science and Technology for Particulate Matter: Atmospheric Sciences, Exposure, and the Fourth Colloquium on PM and Human Health; Aerosol Sci. Technol. 2004, 38 (Suppl. 2), 1–2.
   Google Scholar
• Sioutas, C.; Pandis, S.N.; Allen, D.T.; Solomon, P.A. Preface: Special Issue of Atmospheric Environment on Findings from EPA’s Particulate Matter Supersites Program; Atmos. Environ. 2004, 38, 3101–3106.
   Google Scholar
• Solomon, P.A.; Cowling, E.B.; Weber, R. Preface to the Special Section: Southern Oxidants Study 1999 Atlanta Supersite Project (SOS3); J. Geophys. Res. 2003, 108, D7, doi: 10.1029/2003/JD003536.
   Google Scholar
• Solomon, P.A.; Allen, D. Preface: Special Issue of Aerosol Science and Technology on Findings from the Fine Particulate Matter Supersites Program; Aerosol Sci. Technol. 2004, 38 (Suppl. 1), 1–4.
   Google Scholar
• Stanier, C.O.; Solomon, P.A. Preface to Special Section on Particulate Matter Supersites Program and Related Studies; J. Geophys. Res. 2006, 111, D10S01, doi: 10.1029/2006/JD007381.
   Google Scholar
• Chu, S.H.; Paisie, J.W.; Jang, B.W.L. PM Data Analysis: a Comparison of Two Urban Areas: Fresno and Atlanta; Atmos. Environ. 2004, 38, 3155–3164.
   Google Scholar
• Watson, J.G. Visibility: Science and Regulation; J. Air & Waste Manage. Assoc. 2002, 52, 628–713.
   Google Scholar
• Hansen, D.A.; Edgerton, E.; Hartsell, B.; Jansen, J.; Burge, H.; Koutrakis, P.; Rogers, C.; Suh, H.; Chow, J.C.; Zielinska, B.; McMurry, P.; Mulholland, J.; Russell, A.; Rasmussen, R. Air Quality Measurements for the Aerosol Research and Inhalation Epidemiology Study (AIRES); J. Air & Waste Manage. Assoc. 2006, 56, 1445–1458.
   Google Scholar
• Blifford, I.H.; Meeker, G.O. A Factor Analysis Model of Large Scale Pollution; Atmos. Environ. 1967, 1, 147–157.
   Google Scholar
• Blanchard, C.L. Methods for Attributing Ambient Air Pollutants to Emission Sources; Annu. Rev. Energy Environ. 1999, 24, 329–365.
   Google Scholar
• Brook, J.R.; Vega, E.; Watson, J.G. In Particulate Matter Science for Policy Makers—a NARSTO Assessment, Part 1. Hales, J.M., Hidy, G.M., Eds.; Cambridge University: London, U.K., 2004; pp 235–281.
   Google Scholar
• Chow, J.C.; Watson, J.G. Review of PM2.5 and PM10 Apportionment for Fossil Fuel Combustion and Other Sources by the Chemical Mass Balance Receptor Model; Energy Fuels. 2002, 16, 222–260.
   Google Scholar
• Gordon, G.E. Receptor Models; Environ. Sci. Technol. 1980, 14, 792–800.
   Google Scholar
• Gordon, G.E. Receptor Models; Environ. Sci. Technol. 1988, 22, 1132–1142.
   Google Scholar
• Henry, R.C.; Lewis, C.W.; Hopke, P.K.; Williamson, H.J. Review of Receptor Model Fundamentals; Atmos. Environ. 1984, 18, 1507–1515.
   Google Scholar
• Henry, R.C. History and Fundamentals of Multivariate Air Quality Receptor Models; Chemom. Intell. Lab. Sys. 1997, 37, 37–42.
   Google Scholar
• Henry, R.C. Multivariate Receptor Models: Current Practice and Future Trends; Chemom. Intell. Lab. Sys. 2002, 60, 43–48.
   Google Scholar
• Hopke, P.K. Receptor Modeling in Environmental Chemistry; John Wiley & Sons: New York, 1985.
   Google Scholar
• Hopke, P.K. Receptor Modeling for Air Quality Management; Elsevier: Amsterdam, 1991; Vol. 7.
   Google Scholar
• Javitz, H.S.; Watson, J.G.; Guertin, J.P.; Mueller, P.K. Results of a Receptor Modeling Feasibility Study; J. Air Poll. Control Assoc. 1988, 38, 661–667.
   Google Scholar
• Watson, J.G.; Henry, R.C.; Cooper, J.A.; Macias, E.S. In Atmospheric Aerosol: Source/Air Quality Relationships; Macias, E.S., Hopke, P.K., Eds.; American Chemical Society: Washington, DC, 1981; pp 89–106.
   Google Scholar
• Watson, J.G. Overview of Receptor Model Principles; J. Air Poll. Control Assoc. 1984, 34, 619–623.
   Google Scholar
• Watson, J.G.; Chow, J.C.; Fujita, E.M. Review of Volatile Organic Compound Source Apportionment by Chemical Mass Balance; Atmos. Environ. 2001, 35, 1567–1584.
   Google Scholar
• Watson, J.G.; Zhu, T.; Chow, J.C.; Engelbrecht, J.P.; Fujita, E.M.; Wilson, W.E. Receptor Modeling Application Framework for Particle Source Apportionment; Chemosphere 2002, 49, 1093–1136.
   Google Scholar
• Watson, J.G.; Chow, J.C. Receptor Models for Air Quality Management; EM 2004, October, 27–36.
   Google Scholar
• Watson, J.G.; Chow, J.C. In Air Quality Modeling—Theories, Methodologies, Computational Techniques, and Available Databases and Software. Vol. II— Advanced Topics; Zannetti, P., Ed.; A&WMA and the Enviro-Comp Institute: Pittsburgh, 2005; pp 455–501.
   Google Scholar
• Watson, J.G.; Chow, J.C. Receptor Models for Source Apportionment of Suspended Particles. In Introduction to Environmental Forensics, 2nd ed.; Murphy, B., Morrison, R., Eds.; Academic Press: New York, 2007; pp 279–316.
   Google Scholar
• Chow, J.C.; Engelbrecht, J.P.; Watson, J.G.; Wilson, W.E.; Frank, N.H.; Zhu, T. Designing Monitoring Networks to Represent Outdoor Human Exposure; Chemosphere 2002, 49, 961–978.
   Google Scholar
• Hidy, G.M.; Friedlander, S.K. The Nature of the Los Angeles Aerosol. In Proceedings of the Second International Clean Air Congress; Englund, H.M., Beery, W.T., Eds.; Academic: New York, 1971; pp 391–404.
   Google Scholar
• Friedlander, S.K. The Characterization of Aerosols Distributed with Respect to Size and Chemical Composition II. Classification and Design of Aerosol Measuring Devices; Aerosol Sci. Technol. 1971, 2, 331–340.
   Google Scholar
• Lewis, C.W.; Norris, G.A.; Conner, T.L.; Henry, R.C. Source Apportionment of Phoenix PM2.5 Aerosol with the UNMIX Receptor Model; J. Air &Waste Manage. Assoc. 2003, 53, 325–338.
   Google Scholar
• Chen, L.-W.A.; Watson, J.G.; Chow, J.C.; Magliano, K.L. Quantifying PM2.5 Source Contributions for the San Joaquin Valley with Multivariate Receptor Models; Environ. Sci. Technol. 2007, 41, 2818–2826.
   Google Scholar
• Zhou, L.M.; Hopke, P.K.; Paatero, P.; Ondov, J.M.; Pancras, J.P.; Pekney, N.J.; Davidson, C.I. Advanced Factor Analysis for Multiple Time Resolution Aerosol Composition Data; Atmos. Environ. 2004, 38, 4909–4920.
   Google Scholar
• Ogulei, D.; Hopke, P.K.; Zhou, L.M.; Paatero, P.; Park, S.S.; Ondov, J.M. Receptor Modeling for Multiple Time Resolved Species: the Baltimore Supersite; Atmos. Environ. 2005, 39, 3751–3762.
   Google Scholar
• Cabada, J.C.; Pandis, S.N.; Robinson, A.L. Sources of Atmospheric Carbonaceous Particulate Matter in Pittsburgh, Pennsylvania; J. Air & Waste Manage. Assoc. 2002, 52, 732–741.
   Google Scholar
• Lemire, K.R.; Allen, D.T.; Klouda, G.A.; Lewis, C.W. Fine Particulate Matter Source Attribution for Southeast Texas Using 14C/13C Ratios; J. Geophys. Res. 2002, 107, ACH 3-1–ACH 3–7.
   Google Scholar
• Dutkiewicz, V.A.; Qureshi, S.; Husain, L.; Schwab, J.J.; Demerjian, K.L. Elemental Composition of PM2.5 Aerosols in Queens, New York: Evaluation of Sources of Fine-Particle Mass; Atmos. Environ. 2006, 40 (Suppl. 2), S374–S359.
   Google Scholar
• Reff, A.; Eberly, S.I.; Bhave, P.V. Receptor Modeling of Ambient Particulate Matter Data Using Positive Matrix Factorization: Review of Existing Methods; J. Air & Waste Manage. Assoc. 2007, 57, 146–154.
   Google Scholar
• McMurry, P.H.; Shepherd, M.F.; Vickery, J.S. Particulate Matter Science for Policy Makers: a NARSTO Assessment; Cambridge University: Cambridge, U.K., 2004.
   Google Scholar
• Chow, J.C.; Watson, J.G.; Pritchett, L.C.; Pierson, W.R.; Frazier, C.A.; Purcell, R.G. The DRI Thermal/Optical Reflectance Carbon Analysis System: Description, Evaluation and Applications in U.S. Air Quality Studies; Atmos. Environ. 1993, 27, 1185–1201.
   Google Scholar
• Chow, J.C.; Watson, J.G.; Chen, L.-W.A.; Chang, M.C.O.; Robinson, N.F.; Trimble, D.; Kohl, S. The IMPROVE_A Temperature Protocol for Thermal/Optical Carbon Analysis: Maintaining Consistency with a Long-Term Database; J. Air & Waste Manage. Assoc. 2007, 57, 1014–1023.
   Google Scholar
• Chow, J.C.; Watson, J.G.; Chen, L.-W.A.; Arnott, W.P.; Moosmüller, H.; Fung, K.K. Equivalence of Elemental Carbon by Thermal/Optical Reflectance and Transmittance with Different Temperature Protocols; Environ. Sci. Technol. 2004, 38, 4414–4422.
   Google Scholar
• Chow, J.C.; Watson, J.G.; Chen, L.W.A.; Paredes-Miranda, G.; Chang, M.-C.O.; Trimble, D.; Fung, K.K.; Zhang, H.; Yu, J.Z. Refining Temperature Measures in Thermal/Optical Carbon Analysis; Atmos. Chem. Phys. 2005, 5, 2961–2972.
   Google Scholar
• Kim, E.; Hopke, P.K. Improving Source Identification of Fine Particles in a Rural Northeastern US Area Utilizing Temperature-Resolved Carbon Fractions; J. Geophys. Res. 2004, 109, 1–13.
   Google Scholar
• Kim, E.; Hopke, P.K.; Edgerton, E.S. Improving Source Identification of Atlanta Aerosol Using Temperature Resolved Carbon Fractions in Positive Matrix Factorization; Atmos. Environ. 2004, 38, 3349–3362.
   Google Scholar
• Lee, D.W.; Hopke, P.K.; Rasmussen, D.H.; Wang, H.C.; Mavliev, R. Comparison of Experimental and Theoretical Heterogeneous Nucleation on Ultrafine Carbon Particles; J. Phys. Chem. B 2003, 107, 13813–13822.
   Google Scholar
• Maykut, N.N.; Lewtas, J.; Kim, E.; Larson, T.V. Source Apportionment of PM2.5 at an Urban IMPROVE Site in Seattle, Washington; Environ. Sci. Technol. 2003, 37, 5135–5142.
   Google Scholar
• Chow, J.C.; Yu, J.Z.; Watson, J.G.; Ho, S.S.H.; Bohannan, T.L.; Hays, M.D.; Fung, K.K. The Application of Thermal Methods for Determining Chemical Composition of Carbonaceous Aerosols: a Review; J. Environ. Sci. Health A 2007, 42, 1521–1541.
   Google Scholar
• Watson, J.G.; Chow, J.C.; Lowenthal, D.H.; Pritchett, L.C.; Frazier, C.A.; Neuroth, G.R.; Robbins, R. Differences in the Carbon Composition of Source Profiles for Diesel- and Gasoline-Powered Vehicles; Atmos. Environ. 1994, 28, 2493–2505.
   Google Scholar
• Fraser, M.P.; Yue, Z.W.; Buzcu, B. Source Apportionment of Fine Particulate Matter in Houston, TX, Using Organic Molecular Markers; Atmos. Environ. 2003, 37, 2117–2123.
   Google Scholar
• Chow, J.C.; Watson, J.G.; Lowenthal, D.H.; Chen, L.W.A.; Zielinska, B.; Mazzoleni, L.R.; Magliano, K.L. Evaluation of Organic Markers for Chemical Mass Balance Source Apportionment at the Fresno Super-site; Atmos. Chem. Phys. 2007, 7, 1741-1754.
   Google Scholar
• Pekney, N.J.; Davidson, C.I.; Robinson, A.; Zhou, L.M.; Hopke, P.K.; Eatough, D.J.; Rogge, W.F. Major Source Categories for PM2.5 in Pittsburgh Using PMF and UNMIX; Aerosol Sci. Technol. 2006, 40, 910–924.
   Google Scholar
• Zhao, W.; Hopke, P.K.; Karl, T. Source Identification of Volatile Organic Compounds in Houston, Texas; Environ. Sci. Technol. 2004, 38, 1338–1347.
   Google Scholar
• Robinson, A.L.; Subramanian, R.; Donahue, N.M.; Bernardo-Bricker, A.; Rogge, W.F. Source Apportionment of Molecular Markers and Organic Aerosols. 1. Polycyclic Aromatic Hydrocarbons and Methodology for Data Visualization; Environ. Sci. Technol. 2006, 40, 7803–7810.
   Google Scholar
• Robinson, A.L.; Subramanian, R.; Donahue, N.M.; Bernardo-Bricker, A.; Rogge, W.F. Source Apportionment of Molecular Markers and Organic Aerosol. 2. Biomass Smoke; Environ. Sci. Technol. 2006, 40, 7811–7819.
   Google Scholar
• Robinson, A.L.; Subramanian, R.; Donahue, N.M.; Bernardo-Bricker, A.; Rogge, W.F. Source Apportionment of Molecular Markers and Organic Aerosol. 3. Food Cooking Emissions; Environ. Sci. Technol. 2006, 40, 7820–7827.
   Google Scholar
• Chow, J.C. Critical Review: Measurement Methods to Determine Compliance with Ambient Air Quality Standards for Suspended Particles; J. Air & Waste Manage. Assoc. 1995, 45, 320–382.
   Google Scholar
• Kim, E.; Hopke, P.K.; Qin, Y. Estimation of Organic Carbon Blank Values and Error Structures of the Speciation Trends Network Data for Source Apportionment; J. Air & Waste Manage. Assoc. 2005, 55, 1190–1199.
   Google Scholar
• Turpin, B.J.; Huntzicker, J.J.; Hering, S.V. Investigation of Organic Aerosol Sampling Artifacts in the Los Angeles Basin; Atmos. Environ. 1994, 28, 3061–3071.
   Google Scholar
• Chow, J.C.; Watson, J.G.; Lowenthal, D.H.; Chen, L.W.A.; Magliano, K.L. Particulate Carbon Measurements in California’s San Joaquin Valley; Chemosphere 2006, 62, 337–348.
   Google Scholar
• Chow, J.C.; Chen, L.-W.A.; Watson, J.G.; Lowenthal, D.H.; Magliano, K.L.; Turkiewicz, K.; Lehrman, D. PM2.5 Chemical Composition and Spatiotemporal Variability during the California Regional PM10/PM2.5 Air Quality Study (CRPAQS); J. Geophys. Res. 2006, 111, D10S04, doi: 10.1029/2005JD006457.
   Google Scholar
• Kim, E.; Hopke, P.K. Comparison between Sample-Species Specific Uncertainties and Estimated Uncertainties for the Source Apportionment of the Speciation Trends Network Data; Atmos. Environ. 2007, 41, 567–575.
   Google Scholar
• Eberly, S.I. EPA PMF 1.1 User’s Guide; U.S. Environmental Protection Agency: Research Triangle Park, NC, 2005.
   Google Scholar
• Henry, R.C. UNMIX Version 2 Manual; Ronald C. Henry, Ph.D.: West Hills, CA, 2000; available at http://www.epa.gov/ttn/amtic/files/ambient/pm25/workshop/unmix2.pdf (accessed 2007).
   Google Scholar
• Kim, E.; Hopke, P.K. Source Identifications of Airborne Fine Particles Using Positive Matrix Factorization and U.S. Environmental Protection Agency Positive Matrix Factorization; J. Air & Waste Manage. Assoc. 2007, 57, 811–819.
   Google Scholar
• Henry, R.C. Current Factor Analysis Receptor Models Are Ill-Posed; Atmos. Environ. 1987, 21, 1815-1820.
   Google Scholar
• Henry, R.C. Dealing with Near Collinearity in Chemical Mass Balance Receptor Models; Atmos. Environ. 1992, 26, 933–938.
   Google Scholar
• Watson, J.G.; Robinson, N.F.; Lewis, C.W.; Coulter, C.T.; Chow, J.C.; Fujita, E.M.; Conner, T.L.; Pace, T.G. CMB8 Application and Validatio Protocol for PM2.5 and VOCs. Report No. 1808.2D1. Prepared for U.S. Environmental Protection Agency, Research Triangle Park, NC, by Desert Research Institute, Reno, NV, 1998.
   Google Scholar
• Watson, J.G.; Chow, J.C.; Lowenthal, D.H.; Robinson, N.F.; Cahill, C.F.; Blumenthal, D.L. Simulating Changes in Source Profiles from Coal-Fired Power Stations: Use in Chemical Mass Balance of PM2.5 in the Mt. Zirkel Wilderness; ; Energy Fuels. 2002, 16, 311–324.
   Google Scholar
• Watson, J.G.; Chow, J.C.; Lurmann, F.W.; Musarra, S. Ammonium Nitrate, Nitric Acid, and Ammonia Equilibrium in Wintertime Phoenix, Arizona; J. Air & Waste Manage. Assoc. 1994, 44, 405–412.
   Google Scholar
• Technical Support Document for the Final Clean Air Interstate Rule— Air Quality Modeling; U.S. Environmental Protection Agency; Office of Air Quality Planning & Standards: Research Triangle Park, NC, 2005.
   Google Scholar
• Vayenas, D.V.; Takahama, S.; Davidson, C.I.; Pandis, S.N. Simulation of the Thermodynamics and Removal Processes in the Sulfate-Ammonia-Nitric Acid System during Winter: Implications for PM2.5 Control Strategies; J. Geophys. Res. 2005, 110, doi: 10.1029/2004JD005038.
   Google Scholar
• Alpert, D.J.; Hopke, P.K. A Quantitative Determination of Sources in the Boston Urban Aerosol; Atmos. Environ. 1980, 14, 1137–1146.
   Google Scholar
• Cadle, S.H.; Mulawa, P.A.; Hunsanger, E.C.; Nelson, K.; Ragazzi, R.A.; Barrett, R.; Gallagher, G.L.; Lawson, D.R.; Knapp, K.T.; Snow, R. Composition of Light-Duty Motor Vehicle Exhaust Particulate Matter in the Denver, Colorado Area; Environ. Sci. Technol. 1999, 33, 2328–2339.
   Google Scholar
• Chow, J.C.; Doraiswamy, P.; Watson, J.G.; Chen, L.-W.A.; Ho, S.S.H.; Sodeman, D.A. Advances in Integrated and Continuous Measurements for Particle Mass and Chemical Composition; J. Air & Waste Manage. Assoc. 2008, 58, 141–163.
   Google Scholar
• Solomon, P.A.; Sioutas, C. Continuous and Semicontinuous Monitoring Techniques for Particulate Matter Mass and Chemical Components: a Synthesis of Findings from EPA’s Particulate Matter Supersites Program and Related Studies; J. Air & Waste Manage. Assoc. 2008, 58, 164–195.
   Google Scholar
• Sapkota, A.; Symons, J.M.; Kleissl, J.; Wang, L.; Parlange, M.B.; Ondov, J.M.; Breysse, P.N.; Diette, G.B.; Eggleston, P.A.; Buckley, T.J. Impact of the 2002 Canadian Forest Fires on Particulate Matter Air Quality in Baltimore City; Environ. Sci. Technol. 2005, 39, 24–32.
   Google Scholar
• Zhou, L.M.; Kim, E.; Hopke, P.K.; Stanier, C.; Pandis, S.N. Mining Airborne Particulate Size Distribution Data by Positive Matrix Factorization; J. Geophys. Res. 2005, 110, D07S19, doi: 10.1029/2004JD004707.
   Google Scholar
• Polissar, A.V.; Hopke, P.K.; Paatero, P.; Malm, W.C.; Sisler, J.F. Atmospheric Aerosol over Alaska 2. Elemental Composition and Sources; J. Geophys. Res. 1998, 103, 19045–19057.
   Google Scholar
• Polissar, A.V.; Hopke, P.K.; Poirot, R.L. Atmospheric Aerosol over Vermont: Chemical Composition and Sources; Environ. Sci. Technol. 2001, 35, 4604–4621.
   Google Scholar
• Sheesley, R.J.; Schauer, J.J.; Bean, E.; Kenski, D. Trends in Secondary Organic Aerosol at a Remote Site in Michigan’s Upper Peninsula; Environ. Sci. Technol. 2004, 38, 6491–6500.
   Google Scholar
• Kim, E.; Hopke, P.K.; Larson, T.V.; Covert, D.S. Analysis of Ambient Particle Size Distributions Using UNMIX and Positive Matrix Factorization; Environ. Sci. Technol. 2004, 38, 202–209.
   Google Scholar
• Ogulei, D.; Hopke, P.K.; Zhou, L.M.; Pancras, J.P.; Nair, N.; Ondov, J.M. Source Apportionment of Baltimore Aerosol from Combined Size Distribution and Chemical Composition Data; Atmos. Environ. 2006, 40 (Suppl. 2), S396–S410.
   Google Scholar
• Park, S.S.; Pancras, J.P.; Ondov, J.M.; Poor, N. A New Pseudodeterministic Multivariate Receptor Model for Individual Source Apportionment Using Highly Time-Resolved Ambient Concentration Measurements; J. Geophys. Res. 2005, 110, D07S15, 1-14, doi: 10.1029/2004JD004664.
   Google Scholar
• Park, S.S.; Pancras, J.P.; Ondov, J.M.; Robinson, A. Application of the Pseudo-Deterministic Receptor Model to Resolve Power Plant Influences on Air Quality in Pittsburgh; Aerosol Sci. Technol. 2006, 40, 883–897.
   Google Scholar
• Tarr, J.A. Devastation and Renewal: an Environmental History of Pittsburgh and its Region; University of Pittsburgh: Pittsburgh, 2003.
   Google Scholar
• Pandis, S.N.; Solomon, P.A.; Scheffe, R. Preface to Special Section on Particulate Matter Supersites; J. Geophys. Res. 2005, 110, D07S01, doi: 10.1029/2005JD005983.
   Google Scholar
• Schauer, J.J.; Cass, G.R. Source Apportionment of Wintertime Gas-Phase and Particle-Phase Air Pollutants Using Organic Compounds as Tracers; Environ. Sci. Technol. 2000, 34, 1821-1832.
   Google Scholar
• Watson, J.G. Ph.D. Dissertation, Oregon Graduate Center, 1979.
   Google Scholar
• Chow, J.C.; Watson, J.G.; Lowenthal, D.H.; Solomon, P.A.; Magliano, K.L.; Ziman, S.D.; Richards, L.W. PM10 Source Apportionment in California’s San Joaquin Valley; Atmos. Environ. 1992, 26, 3335–3354.
   Google Scholar
• Gray, H.A.; Cass, G.R.; Huntzicker, J.J.; Heyerdahl, E.K.; Rau, J.A. Characteristics of Atmospheric Organic and Elemental Carbon Particle Concentrations in Los Angeles; Environ. Sci. Technol. 1986, 20, 580–589.
   Google Scholar
• Fine, P.M.; Sioutas, C.; Solomon, P.A. Secondary Particulate Matter in the United States: Insights from the Particulate Matter Supersites Program and Related Studies; J. Air & Waste Manage. Assoc. 2008, 58, 234–253.
   Google Scholar
• Russell, M.; Allen, D.T. Seasonal and Spatial Trends in Primary and Secondary Organic Carbon Concentrations in Southeast Texas; Atmos. Environ. 2004, 38, 3225–3239.
   Google Scholar
• Turpin, B.J.; Huntzicker, J.J. Secondary Formation of Organic Aerosol in the Los Angeles Basin: a Descriptive Analysis of Organic and Elemental Carbon Concentrations; Atmos. Environ. 1991, 25, 207–215.
   Google Scholar
• Lim, H.J.; Turpin, B.J. Origins of Primary and Secondary Organic Aerosol in Atlanta: Results of Time-Resolved Measurements during the Atlanta Supersite Experiment; Environ. Sci. Technol. 2002, 36, 4489–4496.
   Google Scholar
• Chow, J.C.; Watson, J.G.; Crow, D.; Lowenthal, D.H.; Merrifield, T.M. Comparison of IMPROVE and NIOSH Carbon Measurements; Aerosol Sci. Technol. 2001, 34, 23–34.
   Google Scholar
• Dechapanya, W.; Russell, M.; Allen, D.T. Estimates of Anthropogenic Secondary Organic Aerosol Formation in Houston, Texas; Aerosol Sci. Technol. 2004, 38 (Suppl. 1), 156–166.
   Google Scholar
• Grosjean, D.; Seinfeld, J.H. Parameterization of the Formation Potential of Secondary Organic Aerosols; Atmos. Environ. 1989, 23, 1733-1747.
   Google Scholar
• Grosjean, D.; Williams, E.L. II; Seinfeld, J.H. Atmospheric Oxidation of Selected Terpenes and Related Carbonyls: Gas-Phase Carbonyl Products; Environ. Sci. Technol. 1992, 26, 1526–1531.
   Google Scholar
• Pekney, N.J.; Davidson, C.I.; Zhou, L.M.; Hopke, P.K. Application of PSCF and CPF to PMF-Modeled Sources of PM2.5 in Pittsburgh; Aerosol Sci. Technol. 2006, 40, 952–961.
   Google Scholar
• Draxler, R.R.; Dietz, R.M.; Lagomarsino, R.J.; Start, G. Across North America Tracer Experiment (ANATEX): Sampling and Analysis; Atmos. Environ. 1991, 25, 2815–2836.
   Google Scholar
• Draxler, R.R. The Accuracy of Trajectories during ANATEX Calculated Using Dynamic Model Analysis Versus Rawinsonde Observations; J. Appl. Meteorol. 1991, 30, 1466–1467.
   Google Scholar
• Dutkiewicz, V.A.; Qureshi, S.; Khan, A.R.; Ferraro, V.; Schwab, J.; Demerjian, K.L.; Husain, L. Sources of Fine Particulate Sulfate in New York; Atmos. Environ. 2004, 38, 3179–3189.
   Google Scholar
• Zhou, L.M.; Hopke, P.K.; Liu, W. Comparison of Two Trajectory Based Models for Locating Particle Sources for Two Rural New York Sites; Atmos. Environ. 2004, 38, 1955-1963.
   Google Scholar
• Chen, L.-W.A.; Doddridge, B.G.; Dickerson, R.R.; Chow, J.C.; Henry, R.C. Origins of Fine Aerosol Mass in the Baltimore-Washington Corridor: Implications from Observation, Factor Analysis, and Ensemble Air Parcel Back Trajectories; Atmos. Environ. 2002, 36, 4541–4554.
   Google Scholar
• Ho, S.S.H.; Yu, J.Z. Determination of Airborne Carbonyls: Comparison of a Thermal Desorption/GC Method with the Standard DNPH/HPLC Method; Environ. Sci. Technol. 2004, 38, 862–870.
   Google Scholar
• Williams, B.J.; Goldstein, A.H.; Kreisberg, N.M.; Hering, S.V. An In Situ Instrument for Speciated Organic Composition of Atmospheric Aerosols: Thermal Desorption Aerosol GC/MS-FID (TAG); Aerosol Sci. Technol. 2006, 40, 627–638.
   Google Scholar
• Watson, J.G.; Robinson, N.F.; Lewis, C.W.; Coulter, C.T.; Chow, J.C.; Fujita, E.M.; Lowenthal, D.H.; Conner, T.L.; Henry, R.C.; Willis, R.D. Chemical Mass Balance Receptor Model Version 8 (CMB) User’s Manual; Desert Research Institute: Reno, NV, 1997.
   Google Scholar
• Watson, J.G.; Cooper, J.A.; Huntzicker, J.J. The Effective Variance Weighting for Least Squares Calculations Applied to the Mass Balance Receptor Model; Atmos. Environ. 1984, 18, 1347–1355.
   Google Scholar
• Paatero, P. Least Squares Formulation of Robust Non-Negative Factor Analysis; Chemom. Intell. Lab. Sys. 1997, 37, 23–35.
   Google Scholar
• Paatero, P.; Hopke, P.K.; Song, X.H.; Ramadan, Z. Understanding and Controlling Rotations in Factor Analytical Models; Chemom. Intell. Lab. Sys. 2002, 60, 253–264.
   Google Scholar
• Paatero, P. The Multilinear Engine—a Table-Driven, Least Squares Program for Solving Multilinear Problems, Including the N-Way Parallel Factor Analysis Model; J. Comput. Graph. Stats. 1999, 8, 854–888.
   Google Scholar
• Henry, R.C. Multivariate Receptor Modeling by N-Dimensional Edge Detection; Chemom. Intell. Lab. Sys. 2003, 65, 179–189.
   Google Scholar
• Henry, R.C.; Park, E.S.; Spiegelman, C.H. Comparing a New Algorithm with the Classic Methods for Estimating the Number of Factors; Chemom. Intell. Lab. Sys. 1999, 48, 91–97.
   Google Scholar
• Wold, S.; Sjostrom, M.; Eriksson, L. PLS-Regression: a Basic Tool of Chemometrics; Chemom. Intell. Lab. Sys. 2001, 58, 109–130.
   Google Scholar
• Dams, R.; Rahn, K.A.; Robbins, J.A.; Nifong, G.D.; Winchester, J.W. Multi-Element Analysis of Air Pollution Particulates by Nondestructive Neutron Activation. In Proceedings of the Second International Clean Air Congress; Englund, H.M., Beery, W.T., Eds.; Academic: New York, 1971; pp 509–516.
   Google Scholar
• Reimann, C.; de Caritat, P. Intrinsic Flaws of Element Enrichment Factors (EFs) in Environmental Geochemistry; Environ. Sci. Technol. 2000, 34, 5084–5091.
   Google Scholar
• Lawson, C.L.; Hanson, R.J. Solving Least Squares Problems; Princeton- Hall: Englewood Cliffs, NJ, 1974
   Google Scholar
• Wang, D.; Hopke, P.K. The Use of Constrained Least-Squares to Solve the Chemical Mass Balance Problem; Atmos. Environ. 1989, 23, 2143–2150.
   Google Scholar
• Gan, F.; Hopke, P.K. Data Mining of the Relationship between Volatile Organic Components and Transient High Ozone Formation; Anal. Chim. Acta 2003, 490, 153–158.
   Google Scholar
• Ashbaugh, L.L. A Statistical Trajectory Technique for Determining Air Pollution Source Regions; J. Air Poll. Control Assoc. 1983, 33, 1096–1098.
   Google Scholar
• Ashbaugh, L.L.; Myrup, L.O.; Flocchini, R.G. A Principal Component Analysis of Sulphur Concentrations in the Western United States; Atmos. Environ. 1984, 18, 783–791.
   Google Scholar
• Henry, R.C.; Chang, Y.S.; Spiegelman, C.H. Locating Nearby Sources of Air Pollution by Nonparametric Regression of Atmospheric Concentrations on Wind Direction; Atmos. Environ. 2002, 36, 2237–2244.
   Google Scholar
• Yu, K.N.; Cheung, Y.P.; Cheung, T.; Henry, R.C. Identifying the Impact of Large Urban Airports on Local Air Quality by Nonparametric Regression; Atmos. Environ. 2004, 38, 4501–4507.
   Google Scholar
• Parekh, P.P.; Husain, L. Author’s Reply to Discussions: ‘Trace Element Concentrations in Summer Aerosols at Rural Sites in New York State and Their Possible Sources’; Atmos. Environ. 1982, 16, 1279–1280.
   Google Scholar
• Draxler, R.R. Hybrid Single-Particle Lagrangian Integrated Trajectories (HY-SPLIT): Model Description; National Oceanic and Atmospheric Administration Technical Memorandum ERL ARL-166; National Oceanic and Atmospheric Administration: Silver Spring, MD, 1988.
   Google Scholar
• Hopke, P.K.; Li, C.L.; Ciszek, W.; Landsberger, S. The Use of Bootstrapping to Estimate Conditional Probability Fields for Source Locations of Airborne Pollutants; Chemom. Intell. Lab. Sys. 1995, 30, 69–79.
   Google Scholar
• Liu, W.; Hopke, P.K.; VanCuren, R.A. Origins of Fine Aerosol Mass in the Western United States Using Positive Matrix Factorization; J. Geophys. Res. 2003, 108 (D23), 4716, doi: 10.1029/2006JD007978.
   Google Scholar
• Hwang, I.; Hopke, P.K. Estimation of Source Apportionment and Potential Source Locations of PM2.5 at a West Coastal IMPROVE Site; Atmos. Environ. 2007, 41, 506–518.
   Google Scholar
• Keeler, G.J.; Samson, P.J. Spatial Representativeness of Trace Element Ratios; Environ. Sci. Technol. 1989, 23, 1358–1364.
   Google Scholar
• Samson, P.J. Ensemble Trajectory Analysis of Summer Sulfate Concentrations in New York State; Atmos. Environ. 1978, 12, 1889-1893.
   Google Scholar
• Samson, P.J. Trajectory Analysis of Summertime Sulfate Concentrations in the Northeastern United States; J. Appl. Meteorol. 1981, 19, 1382–1394.
   Google Scholar
• Stohl, A. Trajectory Statistics: a New Method to Establish Source-Receptor Relationships of Air Pollutants and its Application to the Transport of Particulate Sulfate in Europe; Atmos. Environ. 1996, 30, 579–587.
   Google Scholar
• Cheng, M.-D.; Hopke, P.K.; Zeng, Y.A Receptor-Oriented Methodology for Determining Source Regions of Particulate Sulfate at Doreset, Ontario; J. Geophys. Res. 1993, 98, 16839–16849.
   Google Scholar
• Schauer, J.J. Analysis of Particle-Phase Organic Speciation Data to Assess Sources of PM; University of Wisconsin: Madison, WI, 2005.
   Google Scholar
• 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. Separation of Fine Particulate Matter Emitted from Gasoline and Diesel Vehicles Using Chemical Mass Balancing Techniques; Environ. Sci. Technol. 2003, 37, 3904–3909.
   Google Scholar
• Li, Z.; Hopke, P.K.; Husain, L.; Qureshi, S.; Dutkiewicz, V.A.; Schwab, J.J.; Drewnick, F.; Demerjian, K.L. Sources of Fine Particle Composition in New York City; Atmos. Environ. 2004, 38, 6521–6529.
   Google Scholar
• Liu, W.; Hopke, P.K.; Han, Y.J.; Yi, S.M.; Holsen, T.M.; Cybart, S.; Kozlowski, K.; Milligan, M. Application of Receptor Modeling to Atmospheric Constituents at Potsdam and Stockton, NY; Atmos. Environ. 2003, 37, 4997–5007.
   Google Scholar
• Lee, J.H.; Hopke, P.K.; Turner, J.R. Source Identification of Airborne PM2.5 at the St. Louis-Midwest Supersite; J. Geophys. Res. 2006, 111, D10, doi: 10.1029/2005JD006329.
   Google Scholar
• Lee, J.H.; Hopke, P.K. Apportioning Sources of PM2.5 in St. Louis, MO Using Speciation Trends Network Data; Atmos. Environ. 2006, 40 (Suppl. 2), S360–S377.
   Google Scholar
• Liu, W.; Wang, Y.H.; Russell, A.; Edgerton, E.S. Enhanced Source Identification of Southeast Aerosols Using Temperature-Resolved Carbon Fractions and Gas Phase Components; Atmos. Environ. 2006, 40 (Suppl. 2), S445–S466.
   Google Scholar