1. a company is planning to transport hydrogen, carbon, and sulfur by train to another city. identify the labels, marking, and placards that the dot requires when transporting these elements.

2. describe some ways that the emergency response guidebook is used when responding to incidents involved the release of hazardous materials.

3. describe how the chemical characteristics, production methods, uses, and associated unique hazards of hydrogen can affect the safety of an environmental health and safety (ehs) and fire science (fs) professional.