Health Effects of Hazardous Substances M507 (replaces W507 OHTA course)

This examination aims to introduce you to the principles of toxicology, physiology and epidemiology. The course will cover the main types of harmful effects to target organs from exposure to chemical hazards at work, and the hazards associated with common hazardous substances. 

Who is it for?

This examination is suitable for technicians and technologists who carry out measurements and testing in workplaces. 

How to prepare

Candidates can prepare by self-study, but are recommended to follow appropriate in-company training, University course or other course provided by a reputable training provider.

Learning objectives

On completing the examination, you will be able to: 

  • Provide definitions of commonly used toxicological terms 
  • Describe the main routes by which hazardous substances can enter the body, and the factors which influence their absorption, distribution, storage and elimination 
  • Describe the main sources of information on hazardous substances and processes 
  • Describe the main features of the principal target organs affected by hazardous substances at work, and the factors which influence the degree of harm 
  • Describe the main routes of exposure and toxic health effects for hazardous substances commonly encountered in the workplace 
  • Carry out basic interpretation of the results from epidemiological studies 

Assessment

There will be a 40 short answer question “open book” examination with an allowed time of 120 minutes. 

M507 is recognised for the purpose of professional training and education by the Faculty of Occupational Hygiene, the Professional Standards Body for UK Occupational Hygiene, Chartered Professional Body and statutory body for the recognition in the UK of overseas professional qualifications in Industrial/Occupational Hygiene.

BOHS is no longer an authorised examining body for the OHTA W507 module or part of the OHTA international training scheme and qualifications framework.

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