Prerequisites: This course shall have no formal pre-requisite.
Course Length: 4 hours - Course length shall vary depending on the number of delegates. Total course time includes breaks.
Class Size: The maximum number of delegates that may be trained and tested per instructor shall be thirty–five (35) in the classroom session.
- Provide delegates with the sources, hazards and effects of Hydrogen Sulfide.
- Provide delegates with warning, monitoring and detection systems for H2S.
- Address Emergency Response Planning and H2S.
- Provide delegates with the information needed to successfully wear respirators.
- Provide delegates knowledge about the requirements of a respiratory protection program.
- Address different types of respirators and their use.
- Address inspection, maintenance, and storage requirements.
- Delegates should be able to demonstrate knowledge during written examination.
- Power Point© / Lecture / Audio Video / Visual Aids
Successful Course Completion
- Requires a minimum score of 75% or better.
- Grades shall be calculated by dividing the number of questions answered correctly by the total number of exam questions.
- Delegates will have no more than thirty (30) minutes to complete the exam.
- Successful completion of all practical sessions is mandatory
Course Content Summary
Breaks: 10 minutes (approximately every hour)
Lunch: 1 Hour (if applicable)
About Hydrogen Sulfide (H2S)
- Key Terms
- Auto Ignition
- Flammable Limits
- Permissible Exposure Limit (PEL)
- Threshold Limit Value (TLV)
- Short Term Exposure Limit (STEL)
- Immediate Dangerous to Life and Health (IDLH)
- National Institute of Occupational Safety and Health (NIOSH)
- Parts Per Million (PPM)
- What is H2S?
- H2S vs. Other Notable Deadly Gases
- H2S Common Names
- Disposal method
- H2S Limitations
- Where is H2S found?
- H2S Accumulation
- H2S Reactivity
Effects of Hydrogen Sulfide (H2S)
- Respiratory System Effects
- Respiratory System
Hydrogen Sulfide (H2S) Exposure Limits
- H2S Signs and Symptoms of Exposure
- 0-50 PPM
- 100-300 PPM
- Olfactory Nerve Paralysis
- 300-600 PPM
- 600-1000 PPM
- Phrenic Nerve Function
- Variables Effecting Symptoms
Hydrogen Sulfide (H2S) Detection
- Methods of Detection (advantages/disadvantages)
- Colorimetric Tubes
- Personal Electronic Detectors
- Fixed Detectors
- Common Effects from Respirator Use
- Why Wear a Respirator?
- Breathing Air Composition
- Employee Control Measures
- Engineering Controls
- Administrative Controls
- Personal Protective Equipment
- Employer Responsibilities
- Respiratory Protection Program Requirements
- Employee Responsibilities
- Types of Respirators
- Air Purifying
- Supplied Air
- Self-Contained Breathing Apparatus (SCBA)
- Atmospheric Supplied Air
- Cascade Systems
- Escape Packs
- Fit Testing
- Medical Requirements
- Respirator Usage
- Respirator Inspection
- Respirator Maintenance
- Proper Donning/Doffing
- Respirator Storage
Hydrogen Sulfide (H2S) Safety
- Arriving at a H2S Location
- Wind Direction Example
- Affected Employee Requirements
- When H2S is Present
- Site Location Condition Flags
- Green – Possible Danger
- Yellow – Moderate Danger
- Red – Extreme Danger
- Other Deadly Gases Associated with H2S
- Carbon Dioxide (CO2)
- Sulfur Dioxide (SO2)
- Regular Drills
Practical shall verify that the delegate has acquired the following skills:
- Demonstrate satisfactory operation of personal detection equipment
- Demonstrate proper wearing of detector.
- Explain how to respond to an alarm.
- Select the proper respiratory protection equipment.
- Perform inspection of respiratory protection equipment.
- Explain the process for conducting a user seal check.
- Properly store equipment and PPE.
Additionally, employers commonly include a Respirator Fit test or Pulmonary Function test as a
preparatory step prior to deployment of a worker.
Training Center Provided Material
- Course Materials
Reference Material / Documents
BSEE 30 CFR 250.490
OSHA 29 CFR 1910.134
ANSI/ASSE Z390.1—2017 Standard
- Course ID #: MA034