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Jonathon Hall, MS, MPH, CIH

Director of Environmental Microbiology

Jonathon Hall is the Director of Environmental Microbiology and a Board-Certified Industrial Hygienist (CIH) with over 20 years of experience providing consulting and investigative services in indoor air quality and environmental microbiology.  

As the head of HPE’s environmental microbiology laboratory, he delivers leadership and technical expertise across microbiology, occupational health, environmental assessment, and exposure consulting, helping clients make informed, data-driven decisions.

Bachelor of Science in Marine Biology, University of Guelph
Master of Science in Marine Biology, Memorial University of Newfoundland
Master of Public Health in Environmental & Occupational Health, George Washington University

I’m here to answer any questions you might have about our products and services. Feel free to contact me using any of the following methods:

Email: jhall@hpenviron.com
Phone: (703) 471-4200

Jonathon Hall leads HPE’s Microbiology Division, overseeing laboratory operations and providing technical leadership and consulting in environmental microbiology. With a strong foundation in environmental and occupational health, he integrates laboratory science with practical field expertise to deliver reliable, defensible results that support informed decision-making.

In addition to managing laboratory operations, Jonathon conducts field investigations and exposure assessments supporting HPE’s core services. His experience encompasses assessments of wet and water-damaged building materials, mold contamination investigations, indoor air quality (IAQ) evaluations, and Legionella sampling, analysis, and water management program support.

Prior to joining HPE, Jonathon served as a Research Assistant at the George Washington University Medical Center in Washington, D.C., where he investigated oxidative stress–related mechanisms of disease associated with magnesium deficiency, azidothymidine (AZT), and iron toxicity using both whole-animal and cellular models. He earned his Master of Public Health (MPH) in Environmental & Occupational Health from George Washington University. Jonathon also holds a Master of Science (MSc) in Marine Biology from the University of Newfoundland and a Bachelor of Science (BSc) in Marine Biology from the University of Guelph.

Jonathon leverages his research background, technical expertise, and field experience to provide clients with accurate data, expert guidance, and actionable recommendations tailored to their unique challenges.

Publications:
  • R. Petrisek and J. Hall. 2018. Evaluation of a most probable number method for the enumeration of Legionella pneumophila from North American potable and nonpotable water samples. J. Water Health. 16(1):25-33. https://doi.org/10.2166/wh.2017.118
  • J.M. Hall, C.C. Parrish and R.J. Thompson. 2002. Eicosapentaenoic Acid Regulates Scallop (Placopecten magellanicus) Membrane Fluidity in Response to Cold. Biol. Bull. 202: 201-203.  https://doi.org/10.2307/1543469

 

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