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Industrial Hygienist, Investigator, Occupational Hazards Specialist, Occupational and Environmental Health and Safety Professional, Occupational Health and Safety Specialist, Physical Scientist
In Canada, the federal government groups and organizes occupations based on a National Occupational Classification (NOC) system. This alis occupation may not reflect the entire NOC group it is part of. Data for the NOC group can apply across multiple occupations.
The NOC system is updated every 5 years to reflect changes in the labour market. Government forms and labour market data may group and refer to an occupation differently, depending on the system used.
Here is how this occupation has been classified over time.
2006 NOC
2006 NOC-S
2011 NOC
2016 NOC
2021 NOC
2023 OaSIS
Occupational hygienists work to prevent illness, disease, and injury from arising in the workplace. They anticipate, recognize, evaluate, control, and re-evaluate workplace hazards. They may check work environments and processes for health and safety hazards related to:
Specific duties and responsibilities vary a great deal from one job to another. In general, occupational hygienists observe processes, procedures, and operating conditions inside and outside worksites to identify and evaluate hazards. They also:
Occupational hygienists also may design, implement, and manage health and safety programs. They may advise managers and employees about regulations, standards, legal compliance, risk assessment, and risk reduction. They may also:
Work settings and hours vary widely in this profession. Occupational hygienists work in offices, laboratories, industrial plants, and any other worksite with hazards that may impact health. Some of these operate 24 hours a day. They must use personal protective equipment (PPE) when observing work processes or conducting tests in industrial plants or other hazardous work locations. In some cases, the work may involve climbing ladders. In other cases, they may need to access crawlspaces, ceiling spaces, or industrial plant equipment in confined spaces. Travel to remote facilities may be required.
In Alberta, this occupation is part of 1 or more 2023 National Occupational Classification (NOC) groups. If there are multiple related NOC groups, select a NOC heading to learn about each one.
To find out how well this occupation fits your work personality types, complete the Work Personalities Quiz in Find Your Fit.
Click or tap a personality type for its description.
Find other alis occupations that match this occupation’s work personalities.
To identify or change your work personalities, complete the Work Personalities Quiz in Find Your Fit.
In Alberta, this occupation is part of 1 or more 2023 National Occupational Classification (NOC) groups. If there are multiple related NOC groups, select a NOC heading to learn about each one.
Occupational or industrial hygienists
2023 OaSIS: 41400.02
The graph below shows how well your scores match the overall abilities for this occupation.
The closer your ability scores are to the center, the more they match this occupation’s. The further away they are, the less they match this occupation’s.
The lower your ability scores are compared to the occupation’s, the more challenging the occupation will likely be for you. The higher your ability scores are compared to the occupation’s, the less challenging the occupation will likely be for you.
To find out how well this occupation fits your abilities, complete the Abilities Quiz in Find Your Fit.
The 49 abilities are grouped into 5 abilities sets: Critical Thinking, Numbers and Patterns, Physical Activity, Mind-Body Coordination, and Senses.
Some abilities are more relevant to an occupation than other abilities. Individual abilities that are not relevant to an occupation are greyed out.
To fill in or change the values for your abilities, complete the Abilities Quiz in Find Your Fit.
Critical Thinking includes 9 abilities related to identifying and solving problems, thinking of ideas, and communication, such as speaking and writing.
This is how well your scores match the set of Critical Thinking abilities for this occupation:
Numbers and Patterns includes 10 abilities related to math, memorizing, and multitasking. It also includes how we perceive patterns, shapes, and distances.
This is how well your scores match the set of Numbers and Patterns abilities for this occupation:
Physical Activity includes 9 abilities related to strength, balance, flexibility, coordination, and endurance.
This is how well your scores match the set of Physical Activity abilities for this occupation:
Mind-Body Coordination includes 9 abilities related to movement control and how we react to signals. It also includes fine motor skills, such finger and hand dexterity and hand-eye coordination.
This is how well your scores match the set of Mind-Body Coordination abilities for this occupation:
Senses includes 12 abilities related to seeing, hearing, and speaking.
This is how well your scores match the set of Senses abilities for this occupation:
Occupational hygienists need:
They should enjoy analyzing problems, consulting with others, and taking a methodical approach to their work.
In Alberta, this occupation is part of 1 or more 2016 National Occupational Classification (NOC) groups. If there are multiple related NOC groups, select a NOC heading to learn about each one.
This chart shows which job skills are currently in highest demand for this occupational group. It was created using this occupation's 58 most recent Alberta job postings, collected between Oct 27, 2021 and Nov 21, 2025.
Review these skills to learn:
| Green Job: Involves duties and responsibilities that lead to positive environmental outcomes | 31 |
|---|---|
| Construction Specialization: Excellent oral communication | 22 |
| Construction Specialization: Excellent written communication | 22 |
| Construction Specialization: Flexibility | 22 |
| Construction Specialization: Team player | 21 |
| Construction Specialization: Accurate | 21 |
| Environment | 21 |
| Work under pressure | 20 |
| Tasks: Provide consulting services to government and other organizations | 19 |
| Specialized environmental skills and knowledge | 19 |
Most occupational hygienists start with a bachelor’s degree in science or engineering. They take further education directly related to occupational hygiene. This may be a master’s degree or university certificate in occupational hygiene or health and safety.
Post-secondary schools throughout Alberta offer suitable 4-year bachelor’s degree programs. Admission requirements vary. In general, they include a competitive average ranging from 60% to 80% depending on the program in English Language Arts 30-1 and 4 other appropriate Grade 12 subjects, such as 30-level math and science courses.
Many post-secondary schools offer university transfer programs. These allow students to apply up to 2 years of study toward bachelor’s degree programs. It is up to the student to ensure the courses they choose will be accepted for credit at the school to which they wish to transfer.
Toronto Metropolitan University in Toronto offers a 4-year bachelor’s degree program with a specialization in occupational health and safety.
The following universities offer master’s-level training focusing on occupational hygiene:
For more information on occupational health and safety programs offered in Canada, visit the Canadian Centre for Occupational Health and Safety (CCOHS) website.
The following schools offer programs or courses that are related to this occupation but are not required to enter the field.
To expand or narrow your program options, visit Post-Secondary Programs and start your search with:
Completing a program does not guarantee entrance into an occupation. Before enrolling in an education program, prospective students should look into various sources for education options and employment possibilities. For example, contact associations and employers in this field.
Certification is not required in Alberta, but it can be an asset when seeking employment. It can help to register with:
Applicants for these designations must have a suitable combination of education and work experience and pass a qualifying exam. To qualify for the ROH or CIH examination, graduates of general occupational health and safety certificate programs must have more work experience than applicants with a graduate degree in occupational hygiene.
Source: 2021-2025 Alberta Regional Occupational Demand Outlook
Occupational hygienists work for:
Experienced hygienists may advance to management positions or start their own consulting firms. Those with doctoral degrees may take on more demanding research duties or senior management positions.
Industry and government often work cooperatively on health and safety issues. Opportunities exist for occupational hygienists to work on industry-wide and even international projects through industry groups.
This section shows the industries where the majority of people in this occupation work. The data is based on the 2016 Census.
In Alberta, this occupation is part of 1 or more 2016 National Occupational Classification (NOC) groups.
Natural and applied science policy researchers, consultants and program officers
2016 NOC: 4161
75.5% of people in this occupational group work in:
NOC groups often include several related occupations. Although there is labour market data for the larger NOC group, this occupation makes up only a part of that group. It means data for this occupation may be different than the data shown. For examples, see Note.
This section shows the Alberta job market condition, or short-term demand forecast, for this occupation over a 3-year period. It also shows the number of people employed in the occupation.
In Alberta, this occupation is part of 1 or more 2021 National Occupational Classification (NOC) groups.
Source: 2024-2026 Alberta Short-Term Employment Forecast
NOC groups often include several related occupations. Although there is labour market data for the larger NOC group, this occupation makes up only a part of that group. It means data for this occupation may be different than the data shown. For examples, see Note.
To see data for all occupations, visit Occupations in Demand.
This section shows the employment outlook for this occupation in Alberta over a 5-year period.
Employment outlook is influenced by a wide variety of factors including:
In Alberta, this occupation is part of 1 or more 2016 National Occupational Classification (NOC) groups.
Source: 2021-2025 Alberta Regional Occupational Demand Outlook
Annual growth is from 2021 to 2025. New positions created each year are in addition to job openings created by employment turnover.
NOC groups often include several related occupations. Although there is labour market data for the larger NOC group, this occupation makes up only a part of that group. It means data for this occupation may be different than the data shown. For examples, see Note.
Employment turnover is expected to increase as members of the baby boom generation retire over the next few years.
For information about current collective agreements in the public and not-for-profit sectors, see the Health Sciences Association of Alberta (HSAA) website.
In Alberta, this occupation is part of 1 or more 2021 National Occupational Classification (NOC) groups. If there are multiple related NOC groups, select a NOC heading to learn about each one.
Unless otherwise noted, the data shown here is for all industries and all regions in Alberta.
All wage estimates are hourly except where otherwise indicated. Wages and salaries do not include overtime hours, tips, benefits, profit shares, bonuses (unrelated to production), and other forms of compensation.
To see the full survey data for this NOC group, visit the wage profile.
Other wage sources
To make an informed wage and salary decision, research other wage sources to supplement this data.
High Reliability, represents a CV of less than or equal to 6.00% and 30 survey observations and/or represents 50% or more of all estimated employment for the occupation.
| Wages* | Low (5th percentile) | High (95th percentile) | Average | Median |
|---|---|---|---|---|
| Starting | $28.00 | $66.31 | $41.03 | $38.46 |
| Overall | $34.86 | $70.50 | $49.91 | $49.17 |
| Top | $41.96 | $84.74 | $56.49 | $51.52 |
Swipe left and right to view all data. Scroll left and right to view all data.
* All wage estimates are hourly except where otherwise indicated. Wages and salaries do not include overtime hours, tips, benefits, profit shares, bonuses (unrelated to production) and other forms of compensation.
Pay brackets for hourly wages
| ALL INDUSTRIES | $95,853 |
|---|---|
| Professional, Scientific & Technical Services | $118,895 |
| Public Administration | $90,762 |
American Board of Industrial Hygiene (ABIH) website: gobgc.org/redirect-abih
American Industrial Hygiene Association (AIHA) website: www.aiha.org
Board for Global EHS Credentialling (BGC) website: gobgc.org
Canadian Centre for Occupational Health and Safety website: www.ccohs.ca
Canadian Registration Board of Occupational Hygienists (CRBOH) website: www.crboh.ca
Get information and referrals about career, education, and employment options from Alberta Supports.
Updated Mar 31, 2024. The information contained in this profile is current as of the dates shown. Salary, employment outlook, and educational program information may change without notice. It is advised that you confirm this information before making any career decisions.
