Final answer:
The Hazmat Technician assumes another role at the site of a chemical spill regardless of being the first one to arrive there.
Step-by-step explanation:
The first responder who assumes another role at the site of a chemical spill regardless of being the first one to arrive there is the Hazmat Technician. This individual is specially trained to handle hazardous materials and is responsible for assessing, containing, and decontaminating the spill. They follow strict protocols to minimize the risk to themselves and others.
Learn more about Hazmat Technician at a chemical spill