Lee, B., F. Lopez-Hilfiker, J. Schroder, P. Campuzano-Jost, J. Jimenez, E. McDuffie, D. Fibiger, P. Veres, S. Brown, T. Campos, A. Weinheimer, F. Flocke, G. Norris, K. O'Mara, J. Green, M. Fiddler, S. Bililign, V. Shah, L. Jaeglé, AND J. Thornton. Airborne Observations of Reactive Inorganic Chlorine and Bromine Species in the Exhaust of Coal‐Fired Power Plants. JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES. American Geophysical Union, Washington, DC, 123(19):11,225-11,237, (2018). https://doi.org/10.1029/2018JD029284

Brown, K., G. Norris, K. Kovalcik, A. Kamal, K. Patnode, AND M. Landis. Signal Decomposition of Conductivity Sensor Measurements on the Allegheny River, Pennsylvania. JOURNAL OF ENVIRONMENTAL ENGINEERING. American Society of Civil Engineers (ASCE), Reston, VA, 144(10):04018103, (2018). https://doi.org/10.1061/(ASCE)EE.1943-7870.0001423

Henry, R. AND G. Norris. Nonparametric Trajectory Analysis of CMAPS Data. 2017 Air Quality Measurement Methods and Technology Conference, Long Beach, CA, November 07 - 09, 2017.

Oakes, M., J. Burke, G. Norris, K. Kovalcik, J. Pancras, AND M. Landis. Near-road enhancement and solubility of fine and coarse particulate matter trace elements near a major interstate in Detroit, Michigan. ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, 145:213-224, (2016).

Oshima, K., G. Norris, Alan Lindquist, K. Smith, J. Essoka, AND R. Landy. Real-time water quality monitoring and providing water quality information to the Baltimore Community. Baltimore Urban Waters Partnership Meeting, Baltimore, MD, September 22, 2016.

Landis, M., A. Kamal, K. Kovalcik, C. Croghan, G. Norris, AND A. Bergdale. The Impact of Commercially Treated Oil and Gas Produced Water Discharges on Bromide Concentrations and Modeled Brominated Trihalomethane Disinfection Byproducts at two Downstream Municipal Drinking Water Plants in the Upper Allegheny River, Pennsylvania, USA. SCIENCE OF THE TOTAL ENVIRONMENT. Elsevier BV, AMSTERDAM, Netherlands, 542(2016):505-520, (2016).

Breen, M., J. Burke, S. Batterman, A. Vette, G. Norris, C. Godwin, M. Landis, C. Croghan, Brad Schultz, AND M. Breen. Air Pollution Exposure Model for Individuals (EMI) in Health Studies. Presented at 2014 Annual Meeting of the Society of Toxicology, Phoenix, AR, March 23 - 27, 2014.

Pancras, J., G. Norris, M. Landis, K. Kovalcik, John K. McGee, AND A. Kamal. Application of ICP-OES for Evaluating Energy Extraction and Production Wastewater Discharge Impacts on Surface Waters in Western Pennsylvania. SCIENCE OF THE TOTAL ENVIRONMENT. Elsevier BV, AMSTERDAM, Netherlands, 529:21-29, (2015).

Norris, G., R. Duvall, S. Brown, AND S. Bai. EPA Positive Matrix Factorization (PMF) 5.0 Fundamentals and User Guide. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-14/108 (NTIS PB2015-105147), 2014.

Brown, S., S. Eberly, P. Paatero, AND G. Norris. Methods for Estimating Uncertainty in PMF Solutions: Examples with Ambient Air and Water Quality Data and Guidance on Reporting PMF Results. SCIENCE OF THE TOTAL ENVIRONMENT. Elsevier BV, AMSTERDAM, Netherlands, 518:626-635, (2015).

Sawvela, E., R. Willis, R. West, G. Casuccio, G. Norris, N. Kumar, D. Hammond, AND T. Peters. Passive Sampling to Capture the Spatial Variability of Coarse Particles by Composition in Cleveland, OH. ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, 105:61-69, (2015).

Norris, G., K. Kovalcik, M. Landis, A. Bergdale, C. Croghan, AND A. Kamal. Sources Contributing Inorganic Species to Drinking Water Intakes During Low Flow Conditions on the Allegheny River in Western Pennsylvania. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-14/430 (NTIS PB2015-104099), 2015.

Holm, K., A. Kamal, AND G. Norris. : Signal Decomposition of High Resolution Time Series River data to Separate Local and Regional Components of Conductivity. Society for Industrial and Applied Math (SIAM), Chicago, IL, July 07 - 11, 2014.

Breen, M., J. Burke, S. Batterman, A. Vette, G. Norris, C. Godwin, M. Landis, C. Croghan, Brad Schultz, AND M. Breen. Air Pollution Exposure Model for Individuals (EMI) in Health Studies: Predicting Spatiotemporal Variability of Residential Air Exchange Rates. Presented at 2014 annual SOT meeting, Phoenix, AZ, March 23 - 27, 2014.

Kamal, A., J. Burke, S. Vesper, S. Batterman, A. Vette, C. Godwin, M. Chavez-Camarena, AND G. Norris. Applicability of the Environmental Relative Moldiness Index for Quantification of Residential Mold Contamination in an Air Pollution Health Effects Study. JOURNAL OF ENVIRONMENTAL AND PUBLIC HEALTH. Hindawi Publishing Corporation, New York, NY, 2014(261357):1-8, (2014).

Breen, M., J. Burke, S. Batterman, A. Vette, G. Norris, C. Godwin, M. Landis, C. Croghan, AND V. Isakov. Exposure Modeling of Residential Air Exchange Rates for NEXUS Participants. Presented at ISES 2014, Cincinnati, OH, October 12 - 16, 2014.

Breen, M., J. Burke, S. Batterman, A. Vette, G. Norris, C. Godwin, M. Landis, C. Croghan, AND V. Isakov. Exposure Modeling of Residential Air Exchange Rates for NEXUS Participants. 2014 Annual Meeting of the International Society of Exposure Science, Cincinnati, OH, October 12 - 16, 2014.

Paatero, P., S. Eberly, S. Brown, AND G. Norris. Methods for Estimating Uncertainty in Factor Analytic Solutions. Atmospheric Measurement Techniques. Copernicus Publications, Katlenburg-Lindau, Germany, 7(3):781-797, (2014).

Holm, K., A. Kamal, AND G. Norris. Signal Decomposition of High Resolution Time Series River Data to Separate Local and Regional Components of Conductivity. Society of Industrial and Applied Math (SIAM) Conference, Chicago, IL, July 07 - 11, 2014.

Burke, J., G. Norris, S. Bereznicki, C. Croghan, A. Russell, S. Brown, AND S. Batterman. Variability in source impacts for residential indoor and outdoor PM2.5 in NEXUS homes. Presented at ISES 2014, Cincinnati, OH, October 12 - 16, 2014.