Hydrogen Sulfide (H2S) Awareness

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1. 1

   What Hydrogen Sulfide Is

   • Hydrogen Sulfide and Why It Kills at Work
   • Where Hydrogen Sulfide Comes From
   • Physical Properties and Why Each One Matters
   • Fire, Sulfur Dioxide and Corrosion
   • Smell and Olfactory Fatigue: Why the Nose Is Not a Detector
2. 2

   How Hydrogen Sulfide Harms the Body

   • How Hydrogen Sulfide Enters and Affects the Body
   • Health Effects by Concentration
   • Exposure Limits and Whose They Are
   • Knockdown, Delayed Effects and Repeated Low Exposure
3. 3

   Where Exposure Happens

   • Exposure on Drilling and Well Servicing Locations
   • Tanks, Gauging and Thief Hatches
   • Opening Equipment, Sampling and Maintenance
   • Gas Plants, Refineries and Sour Water
   • Sewers, Pits, Confined Spaces and Low Areas
4. 4

   Detecting Hydrogen Sulfide

   • Fixed Detectors and Site Alarms
   • Personal Monitors in the Breathing Zone
   • Portable Multi-Gas Meters and Detector Tubes
   • Bump Test, Calibration and Sensor Limits
   • Alarm Set-Points and What Each Alarm Means
5. 5

   Site Controls and Respiratory Protection

   • Hydrogen Sulfide Conditions, Signs and Flags
   • Wind, Briefing Areas and the Buddy System
   • Ventilation, Venting, Flaring and Scavengers
   • Breathing Apparatus: What Protects and What Does Not
   • Fit, Facial Hair and Pre-Use Checks
6. 6

   Emergency Response and Personal Readiness

   • The Contingency Plan, Roles and Training
   • When the Alarm Sounds
   • Never Rush In: Rescue Only With Breathing Apparatus and Backup
   • First Aid and Medical Follow-Up
   • Personal Readiness and Three Cases