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OLSON, D. A. AND G. A. NORRIS. SAMPLING ARTIFACTS IN MEASUREMENT OF ELEMENTAL AND ORGANIC CARBON: LOW VOLUME SAMPLING IN INDOOR AND OUTDOOR ENVIRONMENTS. ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, 39(30):5437-5445, (2005).

LARSON, T. V., E. KIM, AND G. A. NORRIS. SOURCE APPORTIONMENT OF SEATTLE PM 2.5 USING STN ORGANIC CARBON PEAKS. Presented at 24th Annual American Association for Aerosol Research Conference, Austin, TX, October 17 - 21, 2005.

LARSON, T. V., E. KIM, AND G. A. NORRIS. SOURCE APPORTIONMENT OF SEATTLE PM 2.5: A COMPARISON OF IMPROVE AND ENHANCED STN DATA SETS. Presented at Annual American Association for Aerosol Research , Austin, TX, October 17 - 21, 2005.

CONNY, J. M. AND G. A. NORRIS. THE NIST-EPA INTERAGENCY AGREEMENT ON MEASUREMENTS AND STANDARDS IN AEROSOL CARBON: SAMPLING REGIONAL PM 2.5 FOR THE CHEMOMETRIC OPTIMIZATION OF THERMAL-OPTICAL ANALYSIS. Presented at 24th Annual American Association for Aerosol Research Conference, Austin, TX, October 17 - 21, 2005.

CONNY, J. M., G. A. KLOUDA, G. A. NORRIS, AND D. A. OLSON. UNDERSTANDING SYSTEMATIC MEASUREMENT ERROR IN THERMAL-OPTICAL ANALYSIS FOR PM BLACK CARBON USING RESPONSE SURFACES AND SURFACE CONFIDENCE INTERVALS. Presented at 24th Annual American Association for Aerosol Research Conference, Austin, TX, October 17 - 21, 2005.

Olson, D A., G A. Norris, M S. Landis, AND A F. Vette. CHEMICAL CHARACTERIZATION OF AMBIENT PARTICULATE MATTER NEAR THE WORLD TRADE CENTER: ELEMENTAL CARBON, ORGANIC CARBON, AND MASS RECONSTRUCTION. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 38(17):4465-4473, (2004).

Graney, J. R., M S. Landis, AND G A. Norris. CONCENTRATIONS AND SOLUBILITY OF METALS FROM INDOOR AND PERSONAL EXPOSURE PM2.5 SAMPLES. ATMOSPHERIC ENVIRONMENT 38(2):237-247, (2004).

Mukerjee, S, L. Smith, G A. Norris, M. T. Morandi, M Gonzales, C. A. Noble, L Neas, AND A H. Ozkaynak. FIELD METHOD COMPARISON BETWEEN PASSIVE AIR SAMPLERS AND CONTINUOUS MONITORS FOR VOLATILE ORGANIC COMPOUNDS AND NO2 IN EL PASO, TEXAS, USA. JOURNAL OF AIR & WASTE MANAGEMENT ASSOCIATION 54(3):307-319, (2004).

Mukerjee, S, G A. Norris, L. Smith, C. A. Noble, L M. Neas, A H. Ozkaynak, AND M Gonzales. RECEPTOR MODEL COMPARISONS AND WIND DIRECTION ANALYSES OF VOLATILE ORGANIC COMPOUNDS AND SUBMICROMETER PARTICLES IN AN ARID, BINATIONAL, URBAN AIRSHED. ENVIRONMENTAL SCIENCE AND TECHNOLOGY 38(8):2317-2327, (2004).

Solomon, P A., K. Baumann, E. Edgerton, R. Tanner, D J. Eatough, W. Modey, H. Marin, D. Savoie, S. Natarajan, M. B. Meyer, AND G A. Norris. COMPARISON OF INTEGRATED SAMPLERS FOR MASS AND COMPOSITION DURING THE 1999 ATLANTA SUPERSITES PROJECT. JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES 108(D7):SOS 11-1 - SOS 11-26, (2003).

Noble, C. A., S Mukerjee, M Gonzales, C. Rodes, P. A. Lawless, S. Natarajan, E. A. Myers, G A. Norris, L. Smith, A H. Ozkaynak, AND L Neas. CONTINUOUS MEASUREMENT OF FINE AND ULTRAFINE PARTICULATE MATTER, CRITERIA POLLUTANTS AND METEOROLOGICAL CONDITIONS IN URBAN EL PASO, TEXAS. ATMOSPHERIC ENVIRONMENT 37(6):827-840, (2003).

Wallace, L A., R W. Williams, J C. Suggs, L S. Sheldon, R B. Zweidinger, A W. Rea, A F. Vette, K W. Leovic, G A. Norris, M S. Landis, C. Stevens, T L. Conner, C. Rhodes, P. A. Lawless, J. Thornburg, L. J. Sally, R. Allen, D. Kalman, J. Kaufman, J. Koenig, T. Larson, T. Lumley, L. Sheppard, K. Brown, J. Sarnat, H. H. Suh, A. Wheeler, P. Koutrakis, M. Lippman, AND M. Kendall. EXPOSURES OF HIGH RISK SUB-POPULATION TO PARTICLES. Presented at International Society of Exposure Analysis, Stresa, Italy, September 21-25, 2003.

Solomon, P A., R B. Zweidinger, G A. Norris, J Lewtas, C W. Lewis, AND M K. Harmon. ORD PM METHODS RESEARCH PROGRAM. Presented at Organic Carbon and Elemental Carbon Meeting, Durango, CO, March 4-5, 2003.

Smith, L., S Mukerjee, G A. Norris, M Gonzales, C Stallings, L Neas, AND A H. Ozkaynak. PREDICTION OF FINE PARTICULATE LEVELS AT UNMONITORED LOCATIONS. Presented at American Association for Aerosol Research, Anaheim, CA, October 20-24, 2003.

Hopke, P. K., Z. Ramadan, P. Paatero, G A. Norris, M S. Landis, R W. Williams, AND C W. Lewis. RECEPTOR MODELING OF AMBIENT AND PERSONAL EXPOSURE SAMPLES: 1998 BALTIMORE PARTICULATE MATTER EPIDEMIOLOGY-EXPOSURE STUDY. ATMOSPHERIC ENVIRONMENT 37(32):3289-3302, (2003).

Lewis, C W., G A. Norris, T L. Conner, AND R. C. Henry. SOURCE APPORTIONMENT OF PHOENIX PM2.5 AEROSOL WITH THE UNMIX RECEPTOR MODEL. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION 53(3):325-338, (2003).

Burke, J M., K. Ito, G A. Norris, A H. Ozkaynak, AND W Wilson. IMPLICATIONS OF SELECTING ALTERNATIVE EXPOSURE METRICS IN ANALYZING THE RELATIONSHIPS BETWEEN PM AND ACUTE MORTALITY AND MORBIDITY IN PHILADELPHIA. Presented at International Society of Exposure Analysis 2002 Conference, Vancouver, Canada, August 11-15, 2002.

Solomon, P A., G A. Norris, M S. Landis, AND M P. Tolocka. CHEMICAL ANALYSIS METHODS FOR ATMOSPHERIC AEROSOL COMPONENTS. Chapter 11, Aerosol Measurements. Van Nostrand Reinhold Company Incorporated, New York, NY, (2001).

Tolocka, M P., P A. Solomon, W J. Mitchell, G A. Norris, D B. Gemmill, R W. Wiener, R. W. Vanderpool, J. P. Homolya, AND J. Rice. EAST VERSUS WEST IN THE US: CHEMICAL CHARACTERISTICS OF PM 2.5 DURING THE WINTER OF 1999. AEROSOL SCIENCE AND TECHNOLOGY 34(1):88-96, (2001).

Peters, T., G A. Norris, R. W. Vanderpool, D B. Gemmill, R W. Wiener, R. W. Murdoch, F F. McElroy, AND M. Pitchford. FIELD PERFORMANCE OF PM 2.5 FEDERAL REFERENCE METHOD SAMPLERS. AEROSOL SCIENCE AND TECHNOLOGY 34(5):433-443, (2001).

Conner, T L., G A. Norris, M S. Landis, AND R W. Williams. INDIVIDUAL PARTICLE ANALYSIS OF INDOOR, OUTDOOR, AND COMMUNITY SAMPLES FROM THE 1998 BALTIMORE PARTICULATE MATTER STUDY. ATMOSPHERIC ENVIRONMENT 35(23):3935-3946, (2001).

Norris, G A., M P. Tolocka, R W. Williams, AND C. E. Rodes. PARTICULATE ORGANIC CARBON MEASUREMENTS COLLECTED WITH LOW FLOW PERSONAL SAMPLERS. Presented at 11th Annual Meeting of the International Society of Exposure Analysis, Charleston, SC, November 4-8, 2001.

Landis, M S., G A. Norris, R Williams, AND J P. Weinstein. PERSONAL EXPOSURE TO PM2.5 MASS AND TRACE ELEMENTS IN BALTIMORE, MD, USA. ATMOSPHERIC ENVIRONMENT 35(36):6511-6524, (2001).

Williams, R W., L A. Wallace, J C. Suggs, E G. Evans, J P. Creason, V R. Highsmith, L S. Sheldon, A W. Rea, A F. Vette, R B. Zweidinger, K W. Leovic, G A. Norris, M S. Landis, C HowardReed, C Stevens, T L. Conner, C. E. Rodes, P. A. Lawless, J. Thornburg, L. S. Liu, D. Kalman, J. Kaufman, J. Q. Koenig, T. L. Larson, T. Lumley, L. Sheppard, K. Brown, H. Suh, A. Wheeler, D. Gold, P. Koutrakis, AND M. Lippmann. PRELIMINARY PARTICULATE MATTER MASS CONCENTRATIONS ASSOCIATED WITH LONGITUDINAL PANEL STUDIES "ASSESSING HUMAN EXPOSURES OF HIGH RISK SUBPOPULATIONS TO PARTICULATE MATTER". U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-01/086 (NTIS PB2002-100444), 2001.

Norris, G A., S Mukerjee, A H. Ozkaynak, L. A. Smith, C. A. Noble, C. E. Rodes, M Gonzales, AND L Neas. RELATIONSHIP BETWEEN FINE AND ULTRAFINE PARTICLE NUMBER AND VOC SPECIES IN EL PASO, TEXAS. Presented at American Association for Aerosol Research, Portland, OR, October 15-19, 2001.