A practical, beginner-friendly course for oil & gas professionals who may work in sour environments. Learn what hydrogen sulphide (H₂S) is, why it’s deadly, how exposure happens in real operations, and what to do before, during, and after an H₂S incident. You’ll leave with a clear mental model for risk control, stronger hazard recognition, and a simple readiness checklist you can apply on site—without getting lost in complicated standards language.