Hydrogen Sulphider (H2S)


This course is designed for individuals who are required to train others on the hazards of hydrogen sulfide exposure. OSHA states that a measure of the competence of an instructor is the successful completion of a train-the-trainer program with training specific to the topics they will teach. This course prepares the individual to instruct on all aspects of hydrogen sulfide: where it is found, how it can be detected, primary hazards, proper protective equipment as well as means of escape.

Course Contents

  • H2S Properties and Characteristics
  • Effects of H2S on the Human Body
  • Sources of Human and Environmental Exposure
  • OSHA and H2S
  • Other Regulatory Agencies (ANSI, API, OPITO, others)
  • Testing and Monitoring
  • Instrumentation
  • Emergency Response 

Learning Outcome

The student will have the knowledge, skills, and abilities to train on the dangers of hydrogen sulfide in the oil and gas industry, waste treatment plants or any other location where toxic levels of H2S can be found. He will be able to design and to prepare an H2S course and disseminate information for individuals potentially exposed to this dangerous gas. Individual will obtain a mastery of the chemical and toxicological effects of H2S as well as means for proper instrumentation, PPE and procedures for evacuation in the event of a release. Individual will also qualify to issue certificates of completion of students who have received their instruction. 

Online Exams

The student will take a comprehensive online exam for this course. You must score 80% to receive certification. You have three opportunities to pass the exam. 

There are several safety positions with different levels of responsibility in an Occupational Safety and Health career path. Each advancing level typically requires higher levels of experience, education, and knowledge and skills in leadership, business practices, safety and health, and communication and information technology. OSHAC wants to help our students who want to learn about these career opportunities..


  • 1 Program Certificate
  • 1 Training Record Card

What you get

Program Certificate
Training Record Card

Verification for an OSHAC account is easy, fast, and safe.

Verification Now

Registering for an OSHAC account is easy, fast, and safe. Registering for an account takes only a few minutes and we never sell, share, or trade your personal information with anyone.

Registration Now

Module Quiz

Each course is organized into modules. At the end of each module is a quiz designed to help the student self-assess their understanding of the course content. After submitting their quiz answers, the student is presented with the correct quiz answers. Quiz results are not recorded and can be taken multiple times.

Course Exam

After studying the course material and taking the module quizzes, students can take the course exam. The course exam is designed to test the students understanding of the course material. Course exams are composed of multiple choice questions selected from our extensive question bank.

Exam Characteristics

  • Students have two hours to complete the course exam.
  • You must achieve a minimum score of 70% to pass the exam.
  • If you do not pass the exam, you may retake the exam.
    • Students are only allowed to take an exam three (3) times within a 48-hour period.
    • After the third attempt, students must wait 48 hours before attempting the exam again. During this time, students should review the course material to improve their understanding.
  • After each exam, students will receive an email with references (module and tab) to content associated with missed questions. Students are encouraged to review the course material to improve their understanding.
  • If you pass the exam, you may not retake the exam to raise your score
© 2008 - 2019 OSHAC. All rights reserved.