What is the main function of decontamination in hazardous materials incidents?

Answer: B — To prevent contamination spread.

The main function of decontamination in hazardous materials incidents is to prevent contamination spread. Decontamination involves the systematic removal of hazardous substances from people, equipment, and the environment to ensure that these hazards do not pose a further risk to responders, victims, or the surrounding community. When individuals or materials are exposed to hazardous substances, decontamination is crucial for halting the transfer of these contaminants to unaffected areas. This process includes procedures such as washing off the contaminants, using specialized decontamination solutions, and ensuring that equipment and clothing are free from hazardous materials before returning to service or entering clean areas. By effectively reducing or eliminating surface contamination, decontamination serves to protect public health and safety, prevent secondary exposures, and minimize environmental impact. Thus, the choice that focuses on preventing the spread of contamination aligns most closely with the primary goal of decontamination during hazardous materials incidents.