You are dispatched to a factory infirmary for a patient who is ill. As you arrive at the factory, you notice a large diamond-shaped sign on the exterior of the building. The left side of the label is blue and contains the number 4. The top portion of the label is red and contains the number 1. What does this mean?
◦ The substance is highly hazardous to health but does not pose a significant fire risk.
◦ The substance is highly hazardous to health but does not pose a significant risk of reactivity.
◦ The substance is highly reactive but does not pose a significant health risk.
◦ The substance is highly flammable but does not pose a significant health risk.