SILENT KILLER ALERT – H₂S GAS You can’t see it. You may not smell it. But it can KILL in seconds. Hydrogen Sulfide (H₂S) is one of the deadliest workplace gases found in oil & gas, sewage, confined spaces, and construction sites. At high levels: Smell disappears Breathing stops Collapse can happen in seconds Low levels smell like rotten eggs High levels give NO warning ONE BREATH can be your LAST ✅ HSE SAVES LIVES – FOLLOW THE RULES Gas detectors ON at all times Never enter confined spaces witho