Fundamentals of Occupational Hygiene

    EXOS 4622 is offered this spring:

Occu­pa­tion­al Hygiene is the sci­ence devot­ed to the recog­ni­tion, eval­u­a­tion and con­trol of work­place haz­ards that may result in ill­ness or injury. This intro­duc­to­ry course is designed to pro­vide a basic under­stand­ing of some of the key con­cepts in Occu­pa­tion­al Hygiene, includ­ing routes of entry of con­t­a­m­i­nants into the body, clas­si­fi­ca­tion of haz­ards, occu­pa­tion­al expo­sure lim­its, and meth­ods of con­trol­ling work­place expo­sures. In addi­tion, the stu­dent will be intro­duced to meth­ods of eval­u­a­tion includ­ing the devel­op­ment of sam­pling strategies.

Course at a glance
  • Offered fully online or through blended (online + in-class) learning.
  • Aimed at entry-level and practicing health and safety coordinators, professionals, officers, technicians, supervisors, trainers, management, and administrators.
What you will learn

By the end of this course, you should be able to:

  • Describe the fundamental elements associated with the practice of occupational hygiene, the components of an effective occupational hygiene program, and the role of the occupational hygienist.
  • Describe how the occupational health and safety legislation in Alberta pertains to occupational hygiene, particularly in regards to biological, chemical, ergonomic, and physical hazards.
  • Identify various chemical, physical, biological, and ergonomic hazards found in the workplace.
  • Describe the use of engineering controls to mitigate worker exposure to worksite hazards.
  • Discuss indoor air quality issues and the differences in assessing them versus traditional worker exposure issues.


Overall Schedule
Jun 10 — pre-class information opens

Students in this course section may have pre-class readings or assessments to complete.

Lecture/Class Schedule
Jun 15Jun 18


8:30 am – 5:00 pm MT


8:30 am – 5:00 pm MT


8:30 am – 5:00 pm MT


8:30 am – 5:00 pm MT



Jul 2 — post-class component closes

Students in this section may have post-class readings or assessments to complete.

Syn­chro­nous online learning, eClass

39 hours of instruction

In synchronous online courses, students move through the course material at the same pace as their peers. These courses also provide learners with pre-scheduled online lectures that have the instructor and students interacting at the same time. All components of this type of course are accessible through eClass, the University of Alberta’s eLearning management tool. for­mat details

Your Instructor

Greg HodgsonID: greg-hodgson

Greg Hodgson is currently employed as the Occupational Hygienist for the University of Alberta, where he is a subject matter expert to the university community on the recognition, assessment, evaluation, and control of health hazards in the workplace. Greg has a combined background in both health hazard management and safety hazard management. He is a practicing Certified Industrial Hygienist (CIH) and Canadian Registered Safety Professional (CRSP), and has been appointed for the Occupational Health and Safety Advisory Council with the Alberta Government. Greg enjoys teaching as well as learning about the experience of students. He believes that open discussion between safety professionals really helps further the knowledge of everyone involved.



Alberta Ohs Act, Regulation And Code
Class info
This course has no prerequisites

Students from all educational backgrounds welcome. You can register for this course without applying and enrolling in a program.

Take note:

  • This course is offered several times throughout the year; each specific offering is called a “course section.” Some sections of EXOS 4622 are delivered entirely online; others are taught through a mix of online and in-class instruction (blended).
  • When selecting the dates and the section you want to enrol in, look for the note that indicates the delivery format of that specific section—and make sure you have chosen a section that’s offered in your desired format (online or blended).
  • The online components of this course are facilitated through eClass, the University of Alberta’s eLearning management tool.
  • Required reading materials: Threshold limit values (TLVs) and biological exposure indices (BEIs), American Conference of Governmental Industrial Hygienists (ACGIH), 2019 (ISBN: 978-1-607261-05-6); Alberta Occupational Health and Safety (OHS) Act, Regulation and Code, Alberta Queen’s Printer (
Currently counts towards

We recommend that you apply to the program as soon as possible to lock in your course requirements as they are subject to change.

*If you are already enroled in this program, please refer to your specific program requirements as outlined at the time of your admission: Bear Tracks > Academic Advisement.

You can register for and take a course without applying and enrolling into the program.

Looking for
different course dates?

New course schedules are released each June and November.

EXOS 4622 is offered this spring: