Final answer:
The NFPA 704 Label, an identification system for chemical hazards, is most likely to be found on a pesticide label to inform about the substance's associated risks.
Step-by-step explanation:
The NFPA 704 Label, developed by the National Fire Protection Agency, is a hazard identification system used to provide safety information regarding the potential risks presented by chemicals and certain substances. This label is typically found on containers and locations where chemicals are stored or used, rather than on consumer products or equipment. Therefore, out of the given options, the NFPA 704 Label is most likely to be found on a pesticide label, where it indicates the health, flammability, and reactivity hazards of the chemical pesticide, as well as any special hazards it may pose.