If you cannot identify the HazMat with placards or labels, which guide in the ERG can help mitigate the situation?

The correct choice is guided by the importance of effectively managing hazardous materials (HazMat) incidents when specific identification through placards or labels is absent. Guide 111 in the Emergency Response Guidebook (ERG) is specifically designed for situations involving unidentified substances, providing responders with initial safety measures and strategies to address potentially hazardous situations.

This guide addresses situations where identification of the material, typically done through placards or labels, is not possible. It emphasizes protective actions and suggested procedures depending on the physical state of the substance (solid, liquid, gas) and potential health risks, thus equipping responders with the knowledge to act safely and effectively in uncertain conditions.

Other guides may focus on specific substances or classes of materials, but Guide 111 is particularly tailored for incidents involving unknown HazMat. This guidance is crucial for ensuring the safety of first responders and nearby individuals while also paving the way for further investigation into the material involved in the incident once immediate risks are mitigated.