Biological, Physical and Environmental - Free Online course | Alison

Occupational Hygiene - Biological, Physical and Environmental Hazards - Revised

Gain a better understanding of biological, physical, and environmental hazards with this occupational hygiene course.

Health and Safety
Free Course
This free online Occupational Hygiene course will teach you about biological, physical and environmental hazards encountered at work. Occupational hygiene is the practice of anticipating, recognizing, evaluating, and controlling environmental hazards in the workplace. With this course, you will learn how to prevent injury, illness, impairment, and other negative effects on the well-being of workers and the public.





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This course will first discuss biological hazards and the harmful effects of chemical and biological agents in the human body. You will learn the fundamental differences between chemical and biological hazards and look into the three main categories of biological agents. You will also study the two key features of sound and learn how to control the level of noise and vibrations in your environment in order to prevent you from dangerously excessive noise exposure.

Next, you will study the way human bodies react to thermal environments. The course will discuss ionising and non-ionising radiation and their attributes. You will also learn about ergonomics and the areas of the body that are affected by unsafe manual handling. The course will then discuss how behavior and culture can affect workplace hygiene and teach you the necessary steps for ensuring a safe working environment. Very importantly, you will also look into work-related stress and its management.

Maintaining a workplace that has an acceptable standard of environmental quality is the task of every reliable occupational hygienist. This professional has to ensure that there is clean and potable water supply, safe air, efficient waste disposal, and protection of food from biological and chemical contaminants. Such professionals are highly valuable in the modern workplace. So, check out this course, and gain the knowledge you need to become an effective Occupational Hygienist, today.

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Learning Outcomes

After completing this course, you will be able to:

  • Explain the three main categories of biological agents
  • Define how legionella and humidifier fever are contracted
  • List types of blood borne diseases
  • Explain the health effects of excessive noise and exposure to vibration
  • Explain the psychological responses to the thermal environment
  • List the various types of non-ionising and ionising radiation
  • Explain strategies for preventing injuries associated with manual handling
  • Describe the impact of worker behaviour in occupational hygiene
  • List the symptoms of work-related stress and how to manage stress
  • Explain how occupational hygiene affects your personal development


All Alison courses are free to enrol, study and complete. To successfully complete this Certificate course and become an Alison Graduate, you need to achieve 80% or higher in each course assessment. Once you have completed this Certificate course, you have the option to acquire an official Certificate, which is a great way to share your achievement with the world. Your Alison Certificate is:

Ideal for sharing with potential employers - include it in your CV, professional social media profiles and job applications
An indication of your commitment to continuously learn, upskill and achieve high results
An incentive for you to continue empowering yourself through lifelong learning

Alison offers 3 types of Certificates for completed Certificate courses:

Digital Certificate - a downloadable Certificate in PDF format, immediately available to you when you complete your purchase
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Framed Certificate - a physical version of your officially branded and security-marked Certificate in a stylish frame, posted to you with FREE shipping

All Certificates are available to purchase through the Alison Shop. For more information on purchasing Alison Certificates, please visit our FAQs. If you decide not to purchase your Alison Certificate, you can still demonstrate your achievement by sharing your Learner Record or Learner Achievement Verification, both of which are accessible from your Dashboard. For more details on our Certificate pricing, please visit our Pricing Page.


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