In which situation should the emergency response team not proceed without proper chemical knowledge?

During a chemical spill incident, it is critical for the emergency response team to have proper chemical knowledge before proceeding. This knowledge is essential for identifying the nature of the spilled substance, understanding its potential hazards, and determining the appropriate response actions. Chemicals can vary greatly in their toxicological properties, flammability, reactivity, and health effects, making it essential that responders know how to handle them safely to protect themselves and others.

In contrast, routine inspections, planning emergency drills, or using personal protective equipment (PPE) involve either regular procedures or established practices that can be effectively managed even without immediate chemical-specific knowledge. For inspections and planning, the focus is on processes and protocols rather than the specific dangers of a chemical. When using PPE, the concern is primarily about wearing the right protective gear rather than the hazardous properties of the chemical itself at that moment. Thus, the unique risks presented during an actual chemical spill necessitate a complete understanding of the involved chemicals, which makes having proper chemical knowledge imperative.