expert witnesses
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Occupational Hygiene Expert Witness Nancy McClellan
Nancy M. McClellan, MPH, CIH, CHMM
Industrial Hygiene Expert & Principal Consultant
56439 Nickelby Drive S.
Shelby Township MI
48316
USA
phone: 224-517-2990

Nancy M. McClellan, MPH, CIH, CHMM, is an award winning, Industrial Hygiene and Safety expert with over 25 years of broad international experience practicing, teaching and authoring to anticipate, recognize, evaluate, control and prevent workplace health and safety hazards in high hazard industries.
Ms. McClellan is domestically and internationally recognized for leadership service to the IH profession for the American Industrial Hygiene Association (AIHA), the American Board of Industrial Hygiene (ABIH), the Occupational Hygiene Training Association (OHTA) and the Joint Industrial Hygiene Ethics Education (JIHEEC) Boards of Directors and Committees. She currently serves on the AIHA Executive Board of Directors.
Prior to her independent expert and consulting practice, Ms. McClellan practiced industrial hygiene management as a Board Certified Industrial Hygienist on a global scale for both AbbVie, a major producer of highly potent biopharmaceuticals and LafargeHolcim, the world’s largest building materials corporation.
She currently provides industrial hygiene and safety legal expert, management, training, and select field services to sectors such as the pharmaceutical, automotive, military, hospital, electronic, food, chemical, and commercial real estate industries. She is also Chair of the COHSE External Advisory Board at the University of Michigan Graduate School of Public Health, a subject matter expert, and an international expert lecturer.
As a result of combined experience, education, and certifications, Ms. McClellan was interviewed in October 2020 on the ABC Network’s Good Morning America program regarding Covid pandemic controls, as well as a number of ABC News and professional journal articles regarding the association between HVAC systems, Indoor Air Quality and the Covid pandemic to advance public and worker health protections.
Ms. McClellan has extensive expertise in Pandemic, Covid-19 Response Management, including chemical and non-chemical disinfectant exposure evaluation and real estate/facility controls.
Good Morning America Pandemic / Indoor Air Interview
Litigation Support - Nancy McClellan seeks to work with clients that present a challenge in determining whether workers and/or the public have been exposed to chemical, biological, physical or ergonomic hazards, and are willing to objectively and collaboratively explore and investigate the scientific possibilities. Her services include thorough reporting, depositions, and trial testimony as needed.
Areas of Expertise:
- Covid-19 Response & Management
- Bioaerosol Assessment and Pandemic Control Programs
- Indoor Air Quality
- H&S Policy and Program Development and Audits
- Highly Potent Compound Containment
- Workplace Hazard Risk and Exposure Assessment
- USP 800 Safe Hazardous Drug Handling Conformance
- Hearing Conservation Program Development and Controls
- Respiratory Protection Evaluation and Program Development
- Worksite Ergonomic Evaluation and Controls
Related areas of expertise
Featured resources
by Errold F. Moody
by Stephen P. Magee, PhD, et al
by Jean Seawright