Chemistry & Industrial Hygienists Toxicologists & Environmental Consult

Key Personnel

The C&IH staff consists of over 30 members that each contribute to meeting the needs of our clients. Our senior technical team includes seven certified industrial hygienists and professionals with advanced degrees and educational backgrounds in chemistry, biochemistry, microbiology, toxicology, epidemiology, statistical analysis, information systems management, and ventilation engineering.

Eric J. Rasmuson, MS, DABT, CIH

Eric Rasmuson holds a Master of Health Science with an emphasis in human health toxicology, pathophysiology, and risk assessment from Johns Hopkins Bloomberg School of Public Health. He is a certified toxicologist (DABT) and a certified industrial hygienist (CIH) and is the CEO/President of C&IH. Mr. Rasmuson has many years of progressive toxicology and industrial hygiene experience. He has conducted numerous exposure evaluations for physical, chemical, and biological hazards and has developed appropriate risk management solutions. His research interests have included stochastic methodologies to define exposure assessment and risk assessment uncertainties and biostatistical methods to evaluate precision and accuracy of the exposure reconstruction process. He has taught human health risk assessment and exposure reconstruction methodologies at national American Industrial Hygiene Association meetings and professional development courses. He has consulted on toxicology and industrial hygiene issues for government research facilities and agencies, geological and pharmaceutical companies, waste water treatment plants, oil and gas production facilities, manufacturing and mining operations, and renewable energy sites.

James O. Rasmuson, PhD, CIH, DABT, FAIHA

Dr. Rasmuson is the Senior Scientist at C&IH. Dr. Rasmuson brings a combination of management, risk communication, and technical ability to exposure and risk assessment. As a certified toxicologist (DABT), certified industrial hygienist (CIH), and Ph.D. chemist, he is particularly qualified to interact with other specialists at a high level of competence. He has almost thirty years experience as a certified industrial hygienist. Since receiving his Ph.D. in analytical chemistry from Iowa State University in 1970, he has worked in a variety of industrial and laboratory positions prior to founding Chemistry & Industrial Hygiene in 1987. He is an active member of the American Industrial Hygiene Association (AIHA) Exposure Assessment, Risk Assessment, and International Affairs Committees. He has participated in the Government of Kazakhstan’s efforts to control lead and heavy metals nationwide and has contributed to projects in that country since 1997, the first of which won an award from the Civilian Research and Development Foundation. Dr. Rasmuson has published numerous technical articles, abstracts, and presentations on exposure and risk assessment methodologies in this country and abroad. He helped develop and co-teaches a Professional Development Class on retrospective exposure assessment methodologies for the AIHA that has been offered annually at its national meeting since 2003. He has taught risk assessment and toxicology classes at the University of Denver’s master’s degree program in Environmental Management. Dr. Rasmuson is a 2008 AIHA Fellow Award winner, nominated by industry peers and awarded to less than five percent of the AIHA membership for contributions to the field of industrial hygiene.

Robert D. Strode, MS, CIH, FAIHA

Mr. Strode is a certified industrial hygienist (CIH) with over 25 years of laboratory, field, and management experience and is the Technical Director of Industrial Hygiene Services at C&IH. His areas of expertise include classical industrial hygiene, indoor environmental quality (IEQ), field and laboratory methods and analyses, and support for commercial building and multi-family housing management programs dealing with environmental agents such as mold, radon, asbestos and lead. Mr. Strode has conducted hundreds of air quality investigations related to occupational and environmental exposures and routinely performs exposure and risk assessments for chemical, physical, and biological hazards. He earned his Master of Science in microbiology, providing particular expertise in the fungal/bacterial aspects of his IEQ work. He is a member of the national American Industrial Hygiene Association (AIHA) Biosafety and Environmental Microbiology committee and is currently Past-President of the AIHA Rocky Mountain Section. He has developed quality assurance programs, operations and maintenance programs, health and safety plans, and remediation and abatement design documents and project specifications. Mr. Strode has provided training in various subjects including OSHA and EPA training in hazardous waste, exposure and risk assessment, fungi, asbestos and lead, general industrial hygiene principles, and co-teaches an annual CIH review course. He has authored and/or provided publications and presentations in the fields of chemistry, industrial hygiene, exposure assessment, and microbiology. Mr. Strode is a 2009 AIHA Fellow Award winner, nominated by industry peers and awarded to less than five percent of the AIHA membership for contributions to the field of industrial hygiene.

Andrew D. Duane, CIH

Mr. Duane is a certified industrial hygienist (CIH) and the Managing Director of Industrial Hygiene Services at C&IH. Mr. Duane performs industrial hygiene exposure and risk assessments for industry-specific heath concerns in manufacturing, mining, oil and gas, and healthcare, including chemical exposure assessments, welding fume exposure evaluations, noise evaluations, and respirable and total dust assessments. He is also involved in contemporaneous and retrospective exposure simulation studies pertaining to contaminants in the workplace. Mr. Duane routinely prepares safety data sheets to meet national and international regulatory requirements and standards for hazard communication. As the corporate health officer overseeing C&IH’s occupational health and safety management system (OHSAS 18001), he defines corporate strategies to improve the health and safety of C&IH staff members, manages the implementation of health and safety programs, trains staff members on best management work practices, and audits conformance to management system requirements.

Andrey A. Korchevskiy, PhD, DABT, CIH

Dr. Andrey Korchevskiy is a certified toxicologist (DABT), certified industrial hygienist (CIH), and is the Director of Research and Development at C&IH. He holds a Ph.D. in applied mathematics, a doctorate in biology, and is a Full Member of the Society of Toxicology. He has over 130 scientific publications in the fields of industrial hygiene, epidemiology, and environmental health and safety, and has authored books and articles published in the United States, Russia, Ukraine, Kazakhstan, France, Morocco, India, Japan, and Tajikistan, including peer-reviewed journal publications. His areas of expertise include risk assessment and risk management, toxicology and exposure assessment of fibrous minerals and nanoparticles, cancer epidemiology, and mathematical modeling. He has also published several papers on the theory of numbers. His expertise also includes environmental and occupational health and safety (EMS and OHS) management systems including system analysis, design, and implementation. Since 2013, Dr. Korchevskiy has taught professional development courses on risk assessment at conferences and seminars for the American Industrial Hygiene Association, the British Occupational Hygiene Society, the U.S. Navy and Marine Corp., and other public and private organizations. From 2006 until 2009, Dr. Korchevskiy has served as advisory expert and vice-chairman of the Environmental Action Plan for Eastern Europe, Caucasus and Central Asia (OECD, Paris), and from 2007 to 2009 he was a member of the Sustainable Development Council of the Republic of Kazakhstan. Since 2011, Dr. Korchevskiy has been serving as a Chairman of the International Task Force for Children’s Environmental Health with members from the Unites States, Canada, Israel, United Kingdom, and other countries. He is a Distinguished Lecturer of the AIHA (since 2017); recipient of the AIHA’s Outstanding Project Team Award, Volunteer Group Service Award (2016, 2018), and Leadership Award (2019); and is also a chair of the AIHA Standards Advisory Panel.

Daniel R. Hall, PE, CIH

Mr. Hall is a licensed professional engineer (PE) and holds the position of Director of Engineering at C&IH. Mr. Hall earned his Bachelor of Science in civil engineering with an emphasis in environmental engineering from the University of Colorado. He is a member of the American Society of Civil Engineers (ASCE), the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE), the national and local American Industrial Hygiene Association (AIHA), and is an active member of the national AIHA Engineering Committee. Mr. Hall specializes in industrial hygiene engineering controls, statistical data analysis, and computer modeling. His engineering controls work focuses on the evaluation of local exhaust ventilation (LEV) and general dilution ventilation systems, including the design of new systems and improvement of existing systems. He utilizes computational fluid dynamics (CFD) software to evaluate workplace ventilation performance criteria for specified applications such as laboratory and industrial process environments, LEV systems within pharmaceutical laboratory settings, and other commercial, governmental, and residential settings. His statistical expertise includes proficiency using stochastic methodologies for compiling and analyzing data for exposure and risk assessments, including Monte Carlo distribution analysis of retrospective exposure data. He has presented at national conferences on statistical analytical methodologies and computer modeling techniques utilized in retrospective exposure characterization of workers and outdoor contaminant dispersion for the purpose of risk assessment activities.

William D. Mele, CIEC, RCCP-SCF

Mr. Mele is a council certified indoor environmental consultant (CIEC) and holds the title of Senior Engineer at C&IH. He specializes in design, evaluation, implementation, and retrofit of general ventilation and contaminant control systems in the control of process-specific health exposures and their potential impacts on worker health. His professional background includes extensive experience in the heating, ventilation, and air conditioning (HVAC) industry with an emphasis on commercial and industrial building mechanical systems, air filtration systems, and contamination control applications. Mr. Mele also provides technical oversight for indoor environmental quality (IEQ) projects that involve ventilation and/or contaminant control issues. He has over 40 years of experience specializing in air-side design/build projects. Additional areas of expertise include IEQ contamination control investigation; evaluation, design, and specification of controlled environments with particular focus on isolation, identification, and evaluation of contaminants of concern (both gas and particle phase); determination of pollutant pathways and design and specification of contamination control systems and mechanisms; evaluation, design, and retrofitting of ventilation, humidification, and exhaust systems including integrating new systems into existing building HVAC systems; life cycle and life extension analysis of commercial and industrial HVAC and process heating/cooling equipment; and, forensic investigation of building HVAC systems, contaminant control systems, and the building envelope. He regularly lectures for professional organizations on ventilation design and analysis, particle dynamics, principles of filtration, indoor air quality, mechanical systems, and product and equipment application. Mr. Mele is a member of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), the American Industrial Hygiene Association (AIHA), the Colorado Association of Hospital Engineers and Directors (CAHED), the Institute of Environmental Science and Technologies (IEST), the Institute of Pharmaceutical Engineers (ISPE), and the Society of Metallurgical Engineers (SME). He is also the former Denver Chapter Director of the Indoor Air Quality Association.

Cassidy D. Strode, PSE

Mr. Strode is a Computational Fluid Dynamics (CFD) Specialist and Industrial Hygienist at C&IH. He graduated from the University of Colorado Boulder with a Bachelor of Arts in Physics. Mr. Strode specializes in the application of CFD in support of retrospective exposure assessment activities performed by C&IH. He also provides CFD-related project support for the design and validation of exposure mitigation systems. Prior to joining C&IH, Mr. Strode worked as a geoscientist performing geophysics surveys for environmental and mining exploration.

David J. Ostrowski, MEd, DPhil

Dr. Ostrowski has held the position of Director of Corporate Research at C&IH for over 15 years. He assists C&IH’s team of certified industrial hygienists in state-of-the-art industrial hygiene legal consulting activities and directs a support staff of legal researchers. On becoming the director of corporate research, Dr. Ostrowski established a document database that formed the basis of the extensive document repository utilized by C&IH today. He has extensive experience providing field support for industrial hygiene projects and has held certifications for AHERA State of Colorado building inspector and management planner and lead-based paint inspector. Dr. Ostrowski earned his Doctorate in Human Resources Management from Oxford Graduate School and was inducted as a Fellow into the OGS Society of Scholars in October of 1999. Prior to joining C&IH, Dr. Ostrowski retired from the U.S. Air Force where, in addition to other assignments, he was the Director of Safety for the Space Communications Division (DCS, Communications/Space Command).

Associate Scientists:

Jeffrey S. Birkner, PhD, CIH

Dr. Birkner has worked for 20 years as a certified industrial hygienist (CIH) and is an associate scientist at C&IH where he provides state-of-the-art knowledge and technical expertise of industrial hygiene. He received his Ph.D. in Environmental Health Science from UCLA and has a broad base of experience performing air sampling, noise exposure evaluations, indoor air quality evaluations, hazardous material assessments, and OSHA compliance evaluations. He has conducted hazard assessments encompassing the recognition, evaluation, and control of asbestos, lead, and organic chemicals. Mr. Birkner is a member of the American Industrial Hygiene Association (AIHA), past President of the Southern California AIHA, past President of the International Society for Respiratory Protection, Voting member of the American National Standards Institute Z88.12 Committee to develop a standard for Respiratory Protection for Infectious Aerosols and Z88.2 Committee to develop a standard for Practices for Respiratory Protection, Chair of the Respiratory Protection Committee for the International Safety Equipment Association, Chair of the Hearing Protection Committee for the International Safety Equipment Association, and is appointed to the Environmental Impact Committee for the Ronald Reagan Library.