David L. Johnson, PhD, PE, CIH, BCEE



Chair & Presidential Professor
Associate Dean for Academic Affairs

Phone: (405) 271-8001, ext 46776
Office: The University of Oklahoma Health Sciences Center
801 Northeast 13th Street, Room 413
Post Office Box 26901
Oklahoma City, Oklahoma 73126-0901
Email: David-Johnson@ouhsc.edu


  • Ph.D.,Environmental Sciences & Engineering,University of North Carolina at Chapel Hill,1985
  • M.S., Engineering, University of Texas at Austin, 1980
  • B.S., Civil Engineering, University of Texas at Austin,1975


  • Certified Industrial Hygienist (CIH), American Board of Industrial Hygiene
  • Board Certified Environmental Engineer (BSEE), American Academy of Environmental Engineers
  • Registered Professional Engineer (PE), State of Oklahoma


  • July 2004 - June 2009, June 2014 - Present - Associate Dean for Academic Affairs, College of Public Health, University of Oklahoma Health Sciences Center (COPH OUHSC),Oklahoma City, OK
  • July 2001 - Present - Professor of Occupational and Environmental Health, COPH OUHSC
  • October 2002 - August 2004 - Director, Southwest Center for Public Health Preparedness, COPH OUHSC .
  • July 2002 - June 2004 - Professor and Chair of Occupational and Environmental Health, COPH OUHSC
  • July 2001 - June 2002 - Professor and Vice Chair of Occupational and Environmental Health, COPH OUHSC
  • July 1997 - June 2001 - Associate Professor and Vice Chair of Occupational and Environmental Health, COPH OUHSC
  • September 1991 - June 1997 - Associate Professor of Occupational and Environmental Health, COPH OUHSC
  • 1975-1991 - Sanitary Engineer, US Army Medical Service Corps


  • Floyd, E.L., J.B. Henry, M.L. Phillips, and D.L. Johnson (2018). Influence of Facial Hair Length, Coarseness, and Areal Density on Seal Leakage of a Tight-Fitting Half-Face Respirator. Journal of Occupational and Environmental Hygiene 15(4):334-340. doi:10.1080/15459624.2017.1416388.
  • Johnson, D.L., R.A. Lynch, E.L. Floyd, J. Wang, and J.N. Bartels (2018). Indoor Air Quality in Classrooms: Environmental Measures and Effective Ventilation Rate Modeling in Urban Elementary Schools. Building and Environment 136:185-197.
  • Johnson, D.L., M.L. Phillips, C. Qi, A.T. Van, and D.A. Hawley (2017). Experimental Evaluation of Respirable Dust and Crystalline Silica Controls during Simulated Performance of Stone Countertop Fabrication Tasks with Powered Hand Tools (2017). Annals of Work Exposures and Health 61(6):711-723.
  • Johnson, D.L., R.A. Lynch, S.M. Villanella, J.F. Jones, L.J. Smith, H. Fang, K.R. Mead, and Deborah V.L. Hirst (2017). Persistence of Bowl Water Contamination during Sequential Toilet Flushes. Journal of Environmental Health 80(3):34-39.
  • Johnson, D.L. Statistical Tools for the Comprehensive Practice of Industrial Hygiene and Environmental Health Sciences. New York: John Wiley & Sons, 2017.
  • Johnson, D.L. (2017). Statistical Methods for Occupational Exposure Assessment. In: Handbook for Occupational Safety and Health, Third Edition. New York: John Wiley & Sons, 2017.
  • Lynch R.A., H. Hollen, D.L. Johnson, J. Bartels (2015). The Effects of pH on the Migration of Melamine from Children’s Bowls. International Journal of Food Contamination 2(9), June 2015. Open access http://www.foodcontaminationjournal.com/content/2/1/9. DOI 10.1186/s40550-015-0017-z.
  • Cooper J.H., D.L. Johnson, and M.L. Phillips (2015). Respirable Silica Dust Suppression during Artificial Stone Countertop Cutting. Annals of Occupational Hygiene 59(1):122-126.
  • Johnson, David L., Robert A. Lynch, Charles J. Marshall, Kenneth R. Mead, and Deborah V.L. Hirst (2013). Aerosol Generation by Modern Flush Toilets. Journal of Aerosol Science and Technology 47(9):1047-1057.
  • Phillips, Margaret L., David L. Johnson, and Andrew C. Johnson (2013). Determinants of Respirable Silica Exposure in Stone Countertop Fabrication: A Preliminary Study. Journal of Occupational and Environmental Hygiene 10(7):368-373 (http://www.tandfonline.com/eprint/RBP5MnJU3tHsRPhRuIqj/full).
  • Johnson, David L., Kenneth R. Mead, Robert A. Lynch, and Deborah V.L. Hirst (2013). Lifting the Lid on Toilet Plume Aerosol: A Literature Review with Suggestions for Future Research. American Journal of Infection Control 41(3):254-258.
  • Adams, Noah J., David L. Johnson, and Robert A. Lynch (2011). The Effect of Pressure Differential and Care Provider Movement on Airborne Infectious Isolation Room Containment Effectiveness. American Journal of Infection Control 39(2):91-97.
  • Johnson, David L., Robert A. Lynch, and Kenneth R. Mead. Containment Effectiveness of Expedient Patient Isolation Units (2009). American Journal of Infection Control 37(2):94-100.
  • Johnson, David L., David M. Thompson, Rodney E. Clinkenbeard, and Jason Redus (2008). Professional Judgment and the Interpretation of Viable Mold Air Sampling Data. Journal of Occupational and Environmental Hygiene 5(10):656-663 (http://www.tandfonline.com/eprint/zIq6xKphvYarFrhuGc5j/full#.UcmcXvnVApk).
  • Johnson, David L. and Robert A. Lynch (2008). An Efficient Analytical Method for Evaluating Airborne Infectious Isolation Containment using Fluorescent Microspheres. Journal of Occupational and Environmental Hygiene 5(4):271-277 (http://www.tandfonline.com/eprint/fT2ZHM5hEytAduRU99UM/full#.UcmdgfnVApk).
  • Brand, Michael, Dave Kerby, Brenda Elledge, David Johnson, and Olga Magas (2006). A Model for Assessing Public Health Emergency Preparedness Competencies and Evaluating Training Based on the Local Preparedness Plan. Journal of Homeland Security and Emergency Management 3(2):Article 3. Available for download at http://www.bepress.com/jhsem/vol3/iss2/3).
  • Wong-Beringer, A., M.P. Lambros, P.M. Beringer, and D.L. Johnson (2005). Suitability of inhaled caspofungin for prevention of pulmonary aspergillosis: physicochemical profiling and nebulizer choice. Chest 128(5):3711-3716.
  • Estrada, Librada C., Michael R. Fraser, Joan P. Cioffi, DeAnne Sesker, Laurie Walkner, Michael W. Brand, Dave S. Kerby, David L. Johnson, Anna Jean Kurzyna, and Lou Brewer (2005). Partnering for Preparedness: The Project Public Health Ready Experience. Public Health Reports 120 (Suppl 1):69-75.
  • Kerby, Dave S., Michael W. Brand, Brenda L. Elledge, David L. Johnson, and Olga K. Magas (2005). Are Public Health Workers Aware of What They Don’t Know? Biosecurity and Terrorism 3(1):31-38.
  • Kerby, D.S., M.W. Brand, D.L. Johnson, and F.S. Ghouri (2005). Self-Assessment in the Measurement of Public Health Workforce Preparedness for Bioterrorism or Other Public Health Disasters. Public Health Reports 120:186-191.
  • Mead, Kenneth and David L. Johnson (2004). An Evaluation of Portable HEPA Filtration for Expedient Patient Isolation in Epidemic and Emergency Response. Annals of Emergency Medicine 44(6):635-645.
  • Johnson, D.L. and N.A. Esmen (2004). Method Induced Misclassification for a Respirable Dust Sampled Using ISO/ACGIH/CEN Criteria. Annals of Occupational Hygiene 48(1):13-20.
  • Carlton, Gary N., Kalpesh B. Patel, David L. Johnson, and Thomas A. Hall (2003). The Effectiveness of Hand-Held Ventilated Sanders in Reducing Inhalable Dust Concentrations. Applied Occupational and Environmental Hygiene 18(1):51-56.
  • Clinkenbeard, R.E., E.C. England, D.L. Johnson, N.A. Esmen, and T.A. Hall (2002). Comparison of the IOM Inhalable Aerosol Sampler and a Modified 37-mm Cassette During Aircraft Corrosion Control Maintenance. Applied Occupational and Environmental Hygiene 17(9):622-627.
  • Fechter, L.D., D.L. Johnson, and R.A. Lynch (2002). The Relationship of Particle Size to Olfactory Nerve Uptake of a Non-Soluble Form of Manganese into Brain. NeuroToxicology 23:177-184.
  • Esmen, N.A., D.L. Johnson, and G.M. Agron (2002). The Variability of Delivered Dose of Aerosols with the Same Respirable Concentration but Different Size Distributions. Annals of Occupational Hygiene 46:401-407.
  • Stone, R.C. and D.L. Johnson (2002). A Note on the Effect of Nebulization Time and Pressure on the Culturability of Bacillus subtilis and Pseudomonas fluorescens. Aerosol Science and Technology 36:536-539.
  • Clinkenbeard, R.E., D.L. Johnson, R. Parthasarathy, C. Altan, K.H. Tan, R.H. Crawford, and S.M. Park (2002). Replication of Human Tracheobronchial Hollow Airway Models Using a Selective Laser Sintering Rapid Prototyping Technique. American Industrial Hygiene Association Journal 63(2):141-150.
  • Johnson, D.L. and M.L. Phillips (2002). UV Disinfection of Soluble Oil Metalworking Fluids. American Industrial Hygiene Association Journal 63(2):178-183.
  • Fechter, L.D., G.-D. Chen, and D.L. Johnson (2002). Potentiation of Noise Induced Hearing Loss by Low Concentrations of Hydrogen Cyanide in Rats. Toxicological Sciences 66:131-138.
  • Esmen, N.A. and D.L. Johnson (2001). Simulation Analysis of Inhalable Dust Sampling Errors Using a Multi-Component Error Model. Aerosol Science and Technology 35:824-828.
  • Phillips, M.L., T.A. Hall, N.A. Esmen, R. Lynch, and D.L. Johnson (2001). Use of Global Positioning System Technology to Track Subjects' Location During Environmental Exposure Sampling. Journal of Exposure Analysis and Environmental Epidemiology 11:207-215.
  • Phillips, M.L., C.C. Meagher, and D.L. Johnson (2001). What is "Powder-Free?" Characterization of Powder Aerosol Produced During Simulated Use of Powdered and Powder-Free Latex Gloves. Occupational and Environmental Medicine 58:479-481.
  • Johnson, D.L., N.A. Esmen, K.D. Carlson, T.A. Pearce, and B.N. Thomas (2000). Aerodynamic Behavior of Lipid Microtubule Aerosols. Journal of Aerosol Science, 31(2):181-188.
  • Bolton, F.N. and D.L. Johnson, Editors. Engineering Reference Manual, Second Edition. Fairfax, VA: American Industrial Hygiene Association Press, 1999. (Named the AIHA Outstanding 1999 Technical Committee Publication)
  • Johnson, D.L., K.D. Carlson, T.A. Pearce, N.A. Esmen, and B.N. Thomas (1999). Effects of Nebulization Time and Pressure on Lipid Microtubule Suspension and Aerosol. Aerosol Science and Technology 30(2):211-222.
  • Johnson, D.L., T.A. Pearce, and N.A. Esmen (1999). The Effect of Phosphate Buffer on Aerosol Size Distribution of Nebulized Gram-Positive and Gram-Negative Bacteria. Aerosol Science and Technology 30(2):202-210.
  • Johnson, D.L. and T.A. Pearce (1998). Efficiency of a Low-Energy Wetted-Surface Multi-Annulus Denuder Sampler for Viable and Non-Viable Aerosol Collection. Aerosol Science and Technology, 28(3): 269-279.
  • Polikandritou-Lambros, M., D.A.W. Bourne, S.A. Abbas, and D.L. Johnson (1997). Lung Clearance Kinetics of Inhaled Liposomal Amphotericin B Aerosol in Balb/C Mice. Journal of Pharmaceutical Sciences, 86(9): 1066-1069.
  • Bergman, T.A., D.L. Johnson, D.T. Boatright, K.G. Smallwood, and R.J. Rando (1996). Occupational Exposure of Nonsmoking Nightclub Musicians to Environmental Tobacco Smoke. American Industrial Hygiene Association Journal, 57: 746-752.
  • Johnson, D.L., S.P. Sullivan, and G. Jones (1996). A Survey of Emergency Response Planning as Practiced in Boiler/Industrial Furnace Facilities Burning Hazardous Waste Derived Fuels. Journal of Environmental Health, 59(1) (July/August): 12-18.
  • Johnson, D.L., N.A. Esmen, and M. Polikandritou-Lambros (1996). Spinning Disk Aerosol Generators as a Low Energy Alternative to Medical Air-Jet Nebulizers: Theory and Experiment. Journal of Aerosols in Medicine, 9(2): 249.261.
  • Johnson, D.L., E.N. Wenger, and M. Polikandritou-Lambros (1996). Aerosolization and Hygroscopic Growth Evaluation of Lyophilized Liposome Aerosols Under Controlled Temperature and Relative Humidity Conditions. Aerosol Science and Technology, 25(1): 22-30.
  • Johnson, D.L., M. Polikandritou-Lambros, and T.B. Martonen (1996). Drug Encapsulation and Aerodynamic Behavior of a Lipid Microtubule Aerosol. Drug Delivery, 3(1): 9-15.
  • Johnson, D.L. and L.D. Fechter (1996). Performance of an Automatic Feedback Control Vapor Generation System During Near-Continuous Inhalation Exposures. Inhalation Toxicology, 8(4): 423-431.
  • Johnson, D.L., E.G. Hagstrom, and L.D.Fechter (1995). Automatic Feedback Control of a Vapor Generation System Using Off-the-Shelf Components. Inhalation Toxicology, 7(9): 1293-1303.
  • Johnson, D.L. and T.B. Martonen (1994). Predicted and Observed Behavior of Platelet Aerosols. Particulate Science and Technology, 12(2): 149-159.
  • Johnson, D.L. and T.B. Martonen (1994). The Behavior of Inhaled Fibers: Applications to Medicinal Aerosols. Particulate Science and Technology, 12(2): 161-173.
  • Johnson, D.L. and T.B. Martonen (1993). Fiber Deposition Along Airway Walls: Effects of Fiber Cross-Section on Rotational Interception. Journal of Aerosol Science, 24(4): 525-536.
  • Johnson, D.L. and M.L. Bell (1991). Sources and Control of Errors in Industrial Hygiene Measurements. Journal of the American Association of Occupational Health Nurses, 39(8): 362-368.
  • Martonen, T.B. and D.L. Johnson (1990). Aerodynamic Classification of Fibers with Aerosol Centrifuges. Particulate Science and Technology, 8: 37-53.
  • Johnson, David L. and Ted B. Martonen (1989). Aerosol Characterization with Centrifugal Aerosol Spectrometers: Theory and Experiment. American Industrial Hygiene Association Journal, 50(8): 408-412.
  • Johnson, David L., David Leith, and Parker C. Reist (1987). Drag on Non-Spherical, Orthotropic Aerosol Particles. Journal of Aerosol Science, 18(1): 87-97.
  • Johnson, D.L. (1985). Viscous Drag on Orthotropic Aerosol Particles. Doctoral Dissertation, University of North Carolina at Chapel Hill, North Carolina.
  • Johnson, D.L. (1980). Health Effects of Particulate Diesel Exhaust Emissions. Masters Thesis, University of Texas at Austin, Texas.



  • Aerosol behavior and characterization
  • Prevention of airborne infectious disease transmission
  • Occupational exposure assessment and control
  • Occupational and environmental epidemiology
  • Indoor air quality
  • Pharmaceutical aerosol drug delivery systems