Module 3: Toxicology Exercise on Classification of specified hazardous substances

Classify the following under each of the classification categories. (Note that a given substance may have multiple physiological effects and organ systems impacts) PLUS give an example of where one is likely to encounter exposure.

  1. Nitrogen dioxide
  2. Calcium oxide
  3. Benzine (not benzene)
  4. Methyl ethyl ketone (MEK)
  5. Xylene
  6. Glutaraldehyde
  7. Laquer thinners
  8. Methylene chloride
  9. Dimethlyformamide (Where did this achieve recent notoriety?)
  10. Urea formaldehyde



Creative Commons License
Postgraduate Diploma in Occupational Health (DOH) - Modules 3: Occupational Medicine & Toxicology (Basic) by Profs Mohamed Jeebhay and Rodney Ehrlich, Health Sciences UCT is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 2.5 South Africa License. Major contributors: Mohamed Jeebhay, Rodney Ehrlich, Jonny Myers, Leslie London, Sophie Kisting, Rajen Naidoo, Saloshni Naidoo. Source available from here. For any updates to the material, or more permissions beyond the scope of this license, please email healthoer@uct.ac.za or visit www.healthedu.uct.ac.za. Last updated Jan 2007.
Disclaimer note: Some resources and descriptions may be out-dated. For suggested updates and feedback, please contact healthoer@uct.ac.za.