Final answer:
Hazardous Materials Response Teams (HMRTs) serve as a specialized unit within the Incident Command System, controlled by a Hazardous Materials Officer, and operate during hazardous materials incidents to mitigate risks.
Step-by-step explanation:
HMRTs, or Hazardous Materials Response Teams, typically function as a specialized unit within the Incident Command System (ICS). They are under the direct control of a Hazardous Materials Officer and typically function on-site during a hazardous materials incident. These teams are responsible for responding to and managing incidents involving the release or potential release of hazardous substances. They are trained to mitigate risks to public health and safety, as well as to limit the environmental impact. Given the complexity and potential dangers of managing hazardous materials, these teams consist of individuals with specialized training and equipment to handle such situations effectively.