Nicholas Schaal, Ph.D., CIH, CSP

Nicholas Cody Schaal, Ph.D., CIH, CSP, Lieutenant Commander, Navy

Name: Nicholas Cody Schaal, Ph.D., CIH, CSP, Lieutenant Commander, Navy

USU Department of Primary Appointment: 
Preventive Medicine and Biostatistics
Director, MSPH OEHS Program
Faculty Rank: 
Assistant Professor
Uniformed Services University of the Health Sciences, Bethesda, MD

Research Interests:
Noise exposure assessment in occupational settings, chemical exposure contribution to hearing loss, and effectiveness of hearing conservation programs.

Office Phone: 
(301) 319-6988


Ph.D., Safety Sciences, Indiana University of Pennsylvania
M.S., Environmental Health (Industrial Hygiene specialization), Colorado State University
B.S., Environmental Management, University of Maryland University College
A.A.S., Bioenvironmental Engineering Technology, Community College of the Air Force


Lieutenant Commander N. Cody Schaal is an Industrial Hygiene Officer in the U.S. Navy. His numerous assignments have included various airwings as a Bioenvironmental Engineering Technician in the U.S. Air Force and an Industrial Hygiene Officer while stationed at U.S. Navy hospitals and serving onboard the USS ENTERPRISE aircraft carrier. Currently, he serves as Assistant Professor in the Occupational and Environmental Health Sciences (OEHS) Division of the Department of Preventive Medicine and Biostatistics and as Director, MSPH OEHS program.

Representative publications, projects, and/or deployments

  • Areas of Expertise: Industrial Hygiene, Occupational Health and Safety, Hearing Conservation, Hazardous Noise, Chemical Induced Hearing Loss
  • Selected Publications
  • Schaal, N. C., Brazile, W. J., Finnie, K. L., & Tiger, J. P. (2017). Effects of Known Determinants on Methylene Bisphenyl Isocyanate (MDI) Concentration During Spray-On Truck Bed-Lining Processes. Annals of Work Exposures and Health, 61(7), 872-882.
  • Schaal, N., Slagley, J., Zreiqat, M., & Paschold, H. (2017). Effects of combined exposure to metals, solvents, and noise on permanent threshold shifts. American Journal of Industrial Medicine, 60(3), 227-238. (doi: 10.1002/ajim.22690).
  • Shufutinsky, A., Shanahan, P., Schaal, N., Madad, S., & Johnson, D. (2015). Applying Conflict Analysis and Resolution Strategies to Assess Organizational Safety Culture in Accident Investigations. International Journal of Interdisciplinary and Multidisciplinary Studies, 2(3), 71- 90.
  • Teaching:
  • PMO 550 Industrial Hygiene I and Lab
  • PMO 553 Industrial Hygiene Field Studies
  • PMO 540 Introduction to Environmental Health
  • PMO 940 Environmental/Occupational Health Directed Studies