H2S gas is measured in parts per million
- 1 ppm - can be smelled
- 10 ppm - Occupational Exposure Limit allowable for 8 hours work
- 100 ppm - Lose sense of smell in 2 to 15 minutes. May cause headache and nausea
- 200 ppm - Kills sense of smell. Burns eyes and throat
- 500 ppm - Loss of reasoning and balance. Respiratory problems in 2 - 15 minutes
- 700 ppm - Immediate unconsciousness. Death will result if not immediately rescued
- H2S Alive certification includes training in:
- Physical properties & Initial response strategies
- Respiratory Protective Equipment
- Detection of H2S
- Physical properties & Initial response strategies
