Certified Hydrogen Sulfide (H2S) Safety Training (CHST)
Oil & gas workers must be trained to understand and recognize the hazards associated with Hydrogen Sulfide (H2S) gas. Hydrogen Sulfide, more commonly known as sour gas, is a colorless, flammable gas that is toxic at extremely low concentrations. It is heavier than air and smells like " rotten eggs. Once exposed, it can quickly cause you to lose your sense of smell. Exposure to Hydrogen Sulfide gas can be fatal. Student Learning Objectives: Become knowledgeable about the OSHA and API regulations applicable to Hydrogen Sulfide Gas Will be knowledgeable about the different sources of H2S gas Understands the physical and chemical properties of H2S gas and the health effects it can have on the body Understands the use of Personal Protective Equipment (PPE) for Hydrogen Sulfide exposure controls, knowledgeable on how to respond in the event of a Hydrogen Sulfide Exposure H2S Gas exposure.
Course Description
Oil & gas workers must be trained to understand and recognize the hazards associated with Hydrogen Sulfide (H2S) gas. Hydrogen Sulfide, more commonly known as sour gas, is a colorless, flammable gas that is toxic at extremely low concentrations. It is heavier than air and smells like " rotten eggs. Once exposed, it can quickly cause you to lose your sense of smell. Exposure to Hydrogen Sulfide gas can be fatal. Student Learning Objectives:
Become knowledgeable about the OSHA and API regulations applicable to Hydrogen Sulfide Gas
Will be knowledgeable about the different sources of H2S gas
Understands the physical and chemical properties of H2S gas and the health effects it can have on the body
Understands the use of Personal Protective Equipment (PPE) for Hydrogen Sulfide exposure controls, knowledgeable on how to respond in the event of a Hydrogen Sulfide Exposure H2S Gas exposure.
Learning Objectives
Identify common workplace hazards in hospitals, custodial areas, and housekeeping operations. Apply safe cleaning, chemical handling, and waste disposal practices according to OSHA and industry standards. Demonstrate proper use of PPE, ergonomics techniques, and injury-prevention methods. Implement infection control, sanitation procedures, and emergency response actions for workplace incidents.
Who Should Attend
Safety Industry Professionals, Technicians and Coordinators Industry Training Professionals Environmental Industry Professionals
Certified Hydrogen Sulfide (H2S) Safety Training (CHST)
Blueprint & Examination Guide
1. Overview
The Certified Hydrogen Sulfide (H2S) Safety Training (CHST) is an advanced certification designed to validate a professional's expertise in the respective field. This program covers essential principles, regulatory standards, and practical applications to ensure candidates are fully equipped to handle safety, compliance, and operational challenges.
2. Examination Parameters
| Criteria | Details |
|---|---|
| Total Questions | 100 |
| Question Format | Multiple Choice |
| Passing Score | 70% |
| Time Limit | 2 Hours |
| Delivery Method | Online Proctored / In-Person |
3. Prerequisites & Qualifications
Candidates must meet the following criteria before taking the examination:
- A minimum of 3 years of verifiable experience in the relevant field.
- Completion of an accredited training program related to the course.
- Current certification in First Aid/CPR (where applicable).
- A bachelor’s degree in engineering or a related field is recommended but not required.
- Commitment to adhering to safety and regulatory standards.
4. Examination Domains
The examination is divided into the following core domains:
| Main Topic | Weightage | Number of Questions |
|---|---|---|
| Domain 1: Regulatory Requirements & Standards | 25% | 25 |
| Domain 2: Risk Assessment & Hazard Analysis | 20% | 20 |
| Domain 3: Safe Work Practices & PPE | 20% | 20 |
| Domain 4: Training & Incident Investigation | 20% | 20 |
| Domain 5: Compliance & Program Management | 15% | 15 |
5. Domain Breakdowns
Domain 1: Regulatory Requirements & Standards
Weight: 25%Candidates must understand the core principles of regulatory standards and their practical application in the workplace.
- Identify applicable safety and regulatory standards.
- Understand the hierarchy of safety controls.
- Implement standard compliance requirements.
- Demonstrate knowledge of relevant codes and annexes.
Domain 2: Risk Assessment & Hazard Analysis
Weight: 20%Candidates must be able to perform risk assessments and identify potential hazards.
- Conduct comprehensive risk assessments.
- Identify workplace hazards and potential risks.
- Determine the likelihood and severity of incidents.
- Implement effective risk mitigation strategies.
Domain 3: Safe Work Practices & PPE
Weight: 20%Candidates must demonstrate knowledge of safe work practices and the proper use of Personal Protective Equipment (PPE).
- Select and inspect appropriate PPE.
- Implement safe work procedures and protocols.
- Understand lockout/tagout and energy control procedures.
- Maintain a safe working environment.
Domain 4: Training & Incident Investigation
Weight: 20%Candidates must be able to develop training programs and investigate incidents effectively.
- Develop and deliver effective safety training.
- Investigate incidents and identify root causes.
- Document findings and implement corrective actions.
- Promote a culture of safety within the organization.
Domain 5: Compliance & Program Management
Weight: 15%Candidates must understand how to manage compliance programs and ensure ongoing adherence to standards.
- Develop and manage compliance programs.
- Conduct audits and inspections.
- Ensure continuous improvement in safety practices.
- Maintain accurate records and documentation.
6. Additional Information
- Recertification is required every 3 years.
- Candidates will receive a digital badge upon successful completion.
- Exam study materials and preparatory guides are available upon registration.
- For special accommodations, please contact our support team at least 2 weeks prior to the exam.
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