Hazard classification and toxicology (GHS)
CSP written lesson, 8 min read. CSP Domain 6: Occupational Health and Applied Science
AI-drafted from the cited rules and fact-checked against them. Study aid, not site-specific safety advice. The official rule controls.
What you'll learn
- Identify who must classify the hazards of a chemical
- State what evidence classification relies on and what it does not require
- Apply the mixture rule and its reasonable-diligence exception
- Match health hazards to Appendix A and physical hazards to Appendix B
- Sort chemicals into not-labeled versus not-covered categories
What this lesson covers
This lesson covers who must classify a chemical under the Hazard Communication Standard, what evidence classification relies on, how mixtures are handled, and which chemicals fall outside the rule. Knowing where classification duties sit, and how the labeling and coverage exemptions differ, is tested often and drives real decisions on the job.
This lesson is included with a pass
Written lessons come with every CSP pass, along with the video lessons, the question bank, mocks and the tutor. $80 per exam or $143 for all three, for 180 days.
Try the free hazard classification and toxicology (ghs) practice questions