Undergraduate Works
PUBLICATIONS
William Bruchard, Aakriti Bajracharya, and Nancy A.C. Johnston. (2023). Volatile Organic Compound Emissions from Disinfectant Usage in the Home and Office. Environmental Health Perspectives. 131 (4). https://doi.org/10.1289/EHP11916
Warneke, C., Schwarz, J. P., Dibb, J., Kalashnikova, O., Frost, G., Al-Saad, J., Brown, S. S., Brewer, W. A., Soja, A., Seidel, F. C., Washenfelder, R. A., Wiggins, E. B., Moore, R. H., Anderson, B. E., Jordan, C., Yacovitch, T. I., Herndon, S. C., Liu, S., Kuwayama, T., Jaffe, D., Johnston, N., & The FIREX-AQ Science Team. (2023). Fire Influence on Regional to Global Environments and Air Quality (FIREX-AQ). Journal of Geophysical Research: Atmospheres,128(2), 2169-897X. https://doi.org/10.1029/2022JD037758
Dickinson, G. N., Miller, D. D., Bajracharya, A., Bruchard, W., Durbin, T. A., McGarry, J. K. P., et al. (2022). Health risk implications of volatile organic compounds in wildfire smoke during the 2019 FIREX‐AQ campaign and beyond. GeoHealth, 6, e2021GH000546.
https://doi.org/10.1029/2021GH000546
Miller, D. D., Bajracharya, A., Dickinson, G. N., Durbin, T. A., McGarry, J. K. P., Moser, E. P., Nuñez, L. A., Pukkila, E. J., Scott, P. S., Sutton, P. J., & Johnston, N. A. C. Diffusive uptake rates for passive air sampling: Application to volatile organic compound exposure during FIREX-AQ campaign. Chemosphere, 287, 131808, 2022. https://doi.org/10.1016/J.CHEMOSPHERE.2021.131808
Scott, P. S.; Andrew, J. P.; Bundy, B. A.; Grimm, B. K.; Hamann, M. A.; Ketcherside, D. T.; Li, J.; Manangquil, M. Y.; Nunez, L. A.; Pittman, D. L.; Rivero- Zevallos, A.; Uhlorn, R.; Johnston, N. A. C. Observations of volatile organic and sulfur compounds in ambient air and health risk assessment near a paper mill in Idaho, U. S. A. Atmospheric Pollution Research. 2020. https://doi.org/10.1016/j.apr.2020.07.014.
PRESENTATIONS
Kenerson, D. and Johnston, N. A. C. Thermal Inversions in the Lewis-Clark Valley. 14th Annual Lewis-Clark State College Research Symposium, Lewiston, ID. 2023.
Wilson, K. C. and Johnston, N. A. C. Aerosols, Fine Particulate Matter, and Sulfur Species Analyzed in Lewis-Clark Valley during 2019-2022. 14th Annual Lewis-Clark State College Research Symposium, Lewiston, ID. 2023.
Morales, R., Huddleston, S., and Johnston, N. A. C Analysis of Gas Emissions from Compost. 14th Annual Lewis-Clark State College Research Symposium, Lewiston, ID. 2023.
Busz, A. and Johnston, N. A. C Volatile Organic Compound Emissions from Local Soils and those Exposed to Fire. 14th Annual Lewis-Clark State College Research Symposium, Lewiston, ID. 2023.
Sia, C. and Johnston, N. A. C Formaldehyde Sources and Concentrations in the Lewis-Clark Valley Ambient Air. 14th Annual Lewis-Clark State College Research Symposium, Lewiston, ID. 2023.
Huddleston, S., Morales, R., and Johnston, N.A.C. Characterization of Compost Emissions using Gas-Chromatography Methods. American Geophysical Union Fall Meeting, Chicago, Dec. 2022.
Kenerson, D., Dickinson, G. N., Bradel-Tretheway, B. and Johnston, N.A.C. Five-Year Study of Volatile Organic Compounds in an Intermountain West Valley Region. American Geophysical Union Fall Meeting, Chicago, Dec. 2022.
Huddleston, S., Morales, R., and Johnston, N.A.C. Characterization of Compost Emissions using Gas-Chromatography Methods. American Geophysical Union Fall Meeting, Chicago, Dec. 2022.
Kenerson, D., Dickinson, G. N., Bradel-Tretheway, B. and Johnston, N.A.C. Five-Year Study of Volatile Organic Compounds in an Intermountain West Valley Region. American Geophysical Union Fall Meeting, Chicago, Dec. 2022.
Wilson, K. and Johnston, N.A.C. Monitoring of Multiple Air Pollutants in a Rural Northwest Valley: NASA AERONET, EPA Fine Particulate Matter and Local Sulfur Species. American Geophysical Union Fall Meeting, Chicago, Dec. 2022.
Wilson, K and Johnston, N. A. C. Aerosols from NASA AERONET Robotic Network and
Other Pollution Monitoring in the Lewis Clark Valley. Idaho INBRE Conference. Moscow, ID, August 2022.
Kenerson, D.; Bradel-Tretheway, B.; Dickinson, G. and Johnston, N. A. C. Air Quality Study of the Lewis-Clark Valley. Idaho INBRE Conference. Moscow, ID, August 2022.
Farnham, N.; Wilson, K. and Johnston, N. A. C. Volatile Organic Compounds from Wildfire Smoke in Northcentral Idaho. Idaho INBRE Conference. Moscow, ID, August 2022. (3rd Place Poster Winner).
Huddleston, S.; Morales, R. and Johnston, N. A. C. Thermal Desorption-Gas Chromatography-Mass Spectrometry Analysis of Volatile Organic Compounds Emitted from Compost. Washington State University REU Symposium, Pullman, WA, July 2022.
Morales, R.; Huddleston, S. and Johnston, N. A. C. Headspace Gas-chromatography Analysis of Volatile Organic Compounds From Compost. Washington State University REU Symposium, Pullman, WA, July 2022.
Bruchard, W.; Bajracharya, A. and Johnston, N. A. C. Effects of COVID-19 Disinfectant Products on Indoor Air Quality . Lewis-Clark State College Annual Symposium, May 2022.
Dickinson, G. and Johnston, N. A. C. What's Happening Up There? Air Inversions in the Lewis-Clark Valley. Lewis-Clark State College Annual Symposium, May 2022.
Kenerson, D.; Dickinson, G.; Miller, D.; Bradel-Tretheway, B.; and Johnston, N. A. C. Seasonal Fire Smoke Impact on Air Quality in the Lewis-Clark Valley. Lewis-Clark State College Annual Symposium, May 2022.
Miller, D. D. and Johnston, N. A.C. Diffusive uptake rates for passive air sampling: Applications to wildfire emissions during FIREX-AQ campaign and beyond. Lewis-Clark State College Annual Symposium, May 2022.
Morales, R.; Huddleston, S.; Jobson, B. T. and Johnston, N. A. C. Air Analysis of Compost Emissions. Lewis-Clark State College Annual Symposium, May 2022.
Bruchard, W.; Bajracharya, A. and Johnston, N. A. C. Volatile Organic Compounds From Covid-19 Disinfectants - Effects On Indoor Air Quality. American Geophysical Union Fall Meeting, New Orleans, Dec 2021.
Dickinson, G. N.; Kenerson, D.; Bajracharya, A.; Bruchard, W.; Durbin, T. A.; McCown, K.; Miller, D. D.; Moser, E. P.; Wilson, K. and Johnston, N. A. C. Volatile Organic Compound Analysis of Northwest Wildfire Smoke and Associated Health Risks. American Geophysical Union Fall Meeting, New Orleans, Dec 2021.
McCown, K.; Wilson, K. C.; Jobson, B.T. and Johnston, N. A. C. Analysis of Volatile Organic Compounds Emitted from a Compost Facility. American Geophysical Union Fall Meeting, New Orleans, Dec 2021.
Miller, D. D.; Bajracharya, A.; Dickinson, G. N.; Bruchard, W.; Durbin, T.; McGarry, J.; Moser, E.; Nunez, L.; Pukkila, E.; Scott, P.; Sutton, P. and Johnston, N. A. C. Assessing Volatile Organic Compound Exposures during FIREX-AQ and Beyond Using Experimental Diffusive Uptake Rates. American Geophysical Union Fall Meeting, New Orleans, Dec 2021.
Johnston, N. A. C. Health Risk from Volatile Organic Compounds in Northwestern US Wildfire Smoke. Society of Environmental Chemistry and Toxicology North America 42nd Annual Meeting (online), November 2021.
Kenerson, D., Dickinson, G. and Johnston, N. A. C.. Volatile Organic Compounds Emitted from Asotin Complex and Snake River Complex Fire. Washington State University REU Symposium, August 2021
McCown, K., Wilson, K., Jobson, B. T, and Johnston, N. A. C. Analyses of Water-Soluble Volatile Organic Compounds from Compost Emissions at Washington State University. Washington State University REU Symposium, August 2021
Wilson, K., McCown, K., Jobson, B. T. and Johnston, N. A. C.. Gaseous Volatile Organic Compounds Emitted from Washington State University Compost Facility. Washington State University REU Symposium, August 2021.
Bruchard, W.F., Bajracharya, A., and Johnston, N. A. C.; Effects of Increased Disinfection Usage on Volatile Organic Compounds and Associated Health Risk during COVID-19. IDAHO INBRE CONFERNECE, Moscow, ID, July 2021.
Dickinson, G. N., Bajracharya, A., Bruchard, W., Durbin, T. A., Miller, D. D., Moser, E. P., and Johnston, N. A. C. Smoke Composition and Associated Health Risk of Recent Wildfires in the Northwest. IDAHO INBRE CONFERNECE, Moscow, ID, July 2021.
Miller, D. D., Bajracharya, A., Dickinson, G. N., Durbin, T. A., McGarry, J. K. P., Moser, E. P., Nuñez, L. A., Pukkila, E. J., Scott, P. S., Sutton, P. J. and Johnston, N. A. C. Analysis of Diffusive Rates for Use with Air Toxic Risk Assessment. IDAHO INBRE CONFERNECE, Moscow, ID, July 2021.
Bruchard, W., Bajracharya, A. and Johnston, N. A. C. Indoor Air Quality Due to Use of COVID Recommended Cleaning Products. Lewis-Clark State College Annual Symposium, May 2021.
Dickinson, G. N., Miller, D. D., Pukkila, E. J., Bajracharya, A., Durbin, T. A., Moser, E. P., Sutton, P. J., McGarry, J. K., Nuñez, L. A., Scott, P. S., and Johnston, N. A. C. Wildfire Smoke Composition During NASA/NOAA FIREX-AQ. Lewis-Clark State College Annual Symposium, May 2021.
Durbin, T. A., Moser, E. P., McGarry, J.K., Johnston, N. A. C. Sulfur Dioxide and Total Reduced Sulfur Variation in Lewiston, Idaho. Lewis-Clark State College Annual Symposium, May 2021.
Miller, D. D. and Johnston, N. A. C. Measuring Diffusive Uptake Rates of Volatile Organics for Application to Human Health Risk Assessment. Lewis-Clark State College Annual Symposium, May 2021.
Sutton, D. and Johnston, N. A. C. Analysis of Air Freshener Compounds using HiSorb and TD/GC/MS. Lewis-Clark State College Annual Symposium, May 2021.
Bajracharya, A.; Bruchard, W. and Johnston, N.A.C. Indoor Air Quality Resulting from Increased Usage of Household Cleaning Products during COVID-19. American Geophysical Union Fall Conference, Virtual/San Francisco, December 2020.
Dickinson, G.N.; Bajracharya, A.; Durbin, T.; McGarry, J.K.; Miller, D.D.; Moser, E.P., Nuñez, L.A.; Pukkila, E. J.; Scott, P.S. Sutton, P.J.; Johnston, N.A.C. , Ground-Based Measurements of Volatile Organic Compounds in Wildfire Smoke during FIREX-AQ Campaign. American Geophysical Union Fall Conference, Virtual/San Francisco, December 2020.
Miller, D. D. and Johnston, N.A.C. Measuring Diffusive Uptake Rates of VOCs on Thermal Desorption Diffusive Air Samplers for Use in Human Health Risk Assessment. American Geophysical Union Fall Conference, Virtual/San Francisco, December 2020.
Moser, E.P.; Durbin, T.; McGarry J.K; Johnston, N.A.C. Spatial, Temporal and Seasonal Variation in Sulfur Dioxide and Total Reduced Sulfur near a Paper Mill in Northcentral Idaho. American Geophysical Union Fall Conference, Virtual/San Francisco, December 2020.
Dickinson, G.N.; Bajracharya, A.; Bruchard, W.1; Durbin, T.1; McGarry, J.K.; Miller, D.D.; Moser, E.P., Nuñez, L.A.; Pukkila,E.J.; Scott, P.S. Sutton, P.J.; Johnston, N.A.C. Volatile and Semi-volatile Organic Compounds in Wildfire Smoke during NOAA/NASA FIREX-AQ Campaign, Idaho Undergraduate Research Virtual Conference, July 2020.
Miller, D. D. and Johnston, N.A.C. Determination of Diffusive Uptake Rates for VOCs on Passive Thermal Desorption Air Samplers. Idaho Undergraduate Research Virtual Conference, July 2020.
Moser, E.P.; McGarry J.K; Johnston, N.A.C. Analysis of Sulfur Dioxide Emissions in the Lewis-Clark Valley. Idaho Undergraduate Research Virtual Conference, July 2020.
Pukkila, E.J. and Johnston, N.A.C. Analysis of Nitrate and Other Anions in Natural Water Sources of North Central Idaho. Idaho Undergraduate Research Virtual Conference, July 2020.
Ketcherside, D. T.; Andrew, J. P.; Bundy, B. A.; Grimm, B. K.; Hamann, M. A.; Li, J.; Manangquil, M. Y.; Nunez, L. A.; Pittman, D. L.; Scott, P. S.; Uhlorn, R.; Johnston, N. A. C., Seasonal Observations of Atmospheric Volatile Organic and Sulfide Compounds near a Pulp Paper Mill in North-Central Idaho, American Geophysical Union Fall Meeting, Washington, D. C., Dec. 12, 2018.
Grimm, B. K.; Andrew, J. P.; Bundy, B. A.; Hamann, M. A.; Ketcherside, D. T.; Li, J.; Manangquil, M.Y.; Pittman, D. L.; Scott, P. S.; Uhlorn, R.; Johnston, N. A. C. Analysis of Volatile Organic and Sulfur Compounds in Air around a Pulp Paper Mill in North-Central Idaho. Idaho Conference of Undergraduate Research, Boise, Idaho, July 25, 2018.
Manangquil, M. Y.; Andrew, J. P.; Bundy, B. A.; Grimm, B. K.; Hamann, M. A.; Ketcherside, D. T.; Li, J.; Pittman, D. L.; Scott, P. S.; Uhlorn, R.; Johnston, N. A. C. Seasonal and temporal effects on reduced sulfur and volatile organic compounds present in ambient air of the Lewis-Clark Valley. Idaho INBRE Conference, Moscow, Idaho, July 31, 2018.
Hamann, M. A. and Johnston, N. A. C. Overview of atmospheric air toxics and sulfuric compounds in Lewis-Clark Valley and potential health impacts. Lewis-Clark State College Annual Research Symposium, May 2018.
Ketcherside, D.; Manangquil, M.; Pittman, D.; Johnston, N. A. C. Seasonal and Temporal Effects on Reduced Sulfur Compounds and Other Volatile Organic Compounds in the Lewis-Clark Valley. Lewis-Clark State College Annual Research Symposium, May 2018.
Grimm, B. K.; Li, J.; Scott, P. S.; Johnston, N. A. C. Spatial Variations of Atmospheric Sulfides and Volatile Organic Compounds in Idaho and Eastern Washington. Lewis-Clark State College Annual Research Symposium, May 2018.
Scott, P. S.; Grimm, B.K.; Ketcherside, D.T.; Li, J.; Manangquil, M. Y.; Pittman, D. L.; Uhlorn, R.P.; Andrew, J.P.; Bundy, B.A.; Johnston, N.A.C. Air Monitoring in the Lewis-Clark Valley. Idaho Environmental Education Association Conference, Lewiston, ID, March 2018.
Grimm, B. K. Uhlorn, R. P, Johnston, N. A. C. Analysis of Summertime Atmospheric Sulfides and Volatile Organic Compounds in Lewiston, ID near a Kraft Pulp Paper Mill. Idaho INBRE Conference, Moscow, Idaho, August 2017.
Andrew, J. P.; Bundy, B. A.; Ketcherside, D. T.; Johnston, N. A. C. Comparison of Indoor and Outdoor Air Composition in Educational Buildings and Businesses. Lewis-Clark State College Annual Research Symposium, May 2017.
Bundy, B.A.; Andrew, J.P.; Ketcherside, D.; Rivero-Zevallos, J. A; Johnston, N.A.C. Analysis of Air Pollutants in Rural Idaho Near a Pulp Paper Mill. 26 th Annual Meeting of the Northwest Chapter of Society of Environmental Toxicology and Chemistry, Anchorage, AK, April 2017.
Ketcherside, D. T.; Andrew, J. P.; Bundy, B. A.; Johnston, N. A. C. Comparative Analysis of Sulfides and Other Volatile Organic Compounds Present in Air in Lewiston-Clarkston Valley and Surrounding Regions. Idaho Conference for Undergraduate Research, Boise, ID, July 2017.
Ketcherside, D. T.; Tropea, A.; Andrew, J. P.; Bundy, B. A.; Johnston, N. A. C. Comparative Air Analysis of the Hells Canyon Wilderness and the Lewis-Clark Valley. Lewis-Clark State College Annual Research Symposium, May 2017.
Andrew, J. P.; Johnston, N. A. C. Optimizing Methods for the Measurements of Air Pollutants in the Lewis-Clark Valley. Idaho INBRE Conference, Moscow, Idaho, August 2016.
Andrew, J. P.; Vaz, M.; Johnston, N. A. C. Analysis of Toxic metals in the Snake River and
Clearwater Rivers. Lewis-Clark State College Annual Research Symposium, May 2016.