About Us
Who We Are
Our Principal Consultant, Ian Wheeler, has a Ph.D. in pharmacology/toxicology, is Certified by the American Board of Industrial Hygiene (since 1980), and is registered by the Canadian Registration Board of Occupational Hygienists. He has been practicing industrial hygiene since 1976. Prior to consulting, he gained experience in regulatory, corporate and teaching industrial hygiene. From 1980 to 1984 he developed and managed the occupational hygiene program for Alberta Government Departments. Subsequently from 1984 to 1989 he developed and instructed the Occupational Hygiene Technology Program at Mount Royal College. In 2005 he received the Award of Recognition from the American Industrial Hygiene Association – Alberta Section.
CIHC’s staff are fully trained, experienced, and perform work to the highest standards. All projects are managed and all reports finalized by the Principal Consultant. CIHC has a comprehensive array of monitoring equipment for almost every need. It is calibrated and maintained in top condition by our in-house Instrumentation Technologist. CIHC has a Certificate of Recognition (COR), and is registered with ISNetworld and Avetta.
Our Mission
Our Team
Ian Wheeler
Principal Consultant, PhD, CIH, ROH
Ian Wheeler’s distinguished career in occupational health and safety began in 1977 at the Alberta Occupational Health and Safety Analytical Laboratory, where he pioneered the development of passive diffusion samplers for hydrocarbons. He then advanced to the Occupational Hygiene Branch as an Occupational Health and Safety Officer with Alberta Workers’ Health, Safety, and Compensation. By 1980, Ian was leading as the Manager of the Occupational Hygiene Program for the Alberta Government, where he both developed and managed the program.
In 1984, Ian transitioned to academia as the Principal Instructor and Coordinator for the Occupational Hygiene Technology Program at Mount Royal College in Calgary, AB, a role he held until 1988. That same year, he founded CIHC and began offering Industrial Hygiene services across Alberta, quickly expanding to British Columbia, Saskatchewan, and the Northwest Territories.
Ian is renowned for his commitment to thorough, expert service and ethical conduct, values he has ingrained in every aspect of CIHC. He personally reviews every report to ensure the highest standards of expert advice and quality control.
Clay Depner
Operations Manager
Clay Depner has been a key member of CIHC since 2003. Initially engaged in diverse fieldwork, he transitioned to the role of Operations Manager in 2010. In this capacity, Clay oversees projects from inception to completion, leveraging his extensive experience to navigate and resolve any unforeseen challenges. His deep understanding of various company roles enables him to effectively support field personnel and uphold project integrity. Clay is dedicated to ensuring that all projects are delivered on time, within budget, and to the highest quality standards. Before joining CIHC, Clay spent eight years as an instrumentation service technician, where he developed a comprehensive knowledge of the instrumentation used in environmental and industrial hygiene surveys.
John Howey
Lead Industrial Hygienist
As a senior member of our team, John Howey brings extensive experience and expertise to a broad spectrum of industrial hygiene issues. With a strong background in mathematics and communication, John has been a valuable asset to CIHC since joining in 2008. He has played a crucial role in several complex projects, particularly in the areas of data management and analysis. John’s contributions extend to performing numerous field surveys and developing innovative programs, underscoring his commitment to advancing our technical capabilities and project outcomes.
Mariska Hartley
Industrial Hygienist
Mariska Hartley joined CIHC in 2019, following her relocation to Canada. She brings a wealth of experience from the South African gold mining industry, where she specialized in workplace surveys, personal exposure monitoring (including respirable silica, diesel particulate matter, and noise), as well as data analysis and reporting. Her previous role honed her interpersonal and communication skills, as well as her adaptability, teamwork, and meticulous attention to detail.
Lee Klym
Industrial Hygienist
Lee Klym joined CIHC in 2023 after earning a degree in Environmental Science from Mount Royal University. During her studies, she began her career as a project technician, specializing in hazardous material assessments. Over the years, Lee expanded her expertise in industrial hygiene, with experience in respirable silica, indoor air quality (IAQ), welding fumes, ozone, and noise assessments. Her strengths include effective time management, adaptability, teamwork, attention to detail, and strong organizational skills, making her a valuable asset to any project.
Chinomso Okolie
Industrial Hygiene Coordinator
Chinomso Okolie joined CIHC in 2019, bringing expertise in industrial hygiene and environmental health. She holds a Master’s in Public Health, specializing in Environmental Health with a focus on Industrial Hygiene. Chinomso is experienced in developing corrective methods and controls to improve workplace environments. Known for her strong communication skills, she effectively collaborates with cross-functional teams and engages with workers to promote safety and compliance.
Steven Molloy
Industrial Hygiene Technologist
Steven joined CIHC in 2019. He is a highly motivated and accomplished EHS professional with over 15 years of extensive theoretical and practical experience in industrial hygiene, designated substances, and hazardous material assessments. His strengths include hazard identification, risk management, and promoting health and safety in the workplace in a reasonable, diligent, and cost-effective manner.