In the Emergency Response Guidebook (ERG), what are the two ways to identify hazardous material?

Identifying hazardous materials accurately is essential for emergency responders to ensure safety and effectiveness during an incident. The correct method outlined in the Emergency Response Guidebook (ERG) involves the use of the UN ID number and the printed name of the material.

The UN ID number is a four-digit code assigned to specific hazardous substances, which provides quick reference to detailed information about the material. This number is standardized internationally, making it a reliable point of identification across different regions and contexts. The printed name of the material complements the UN ID by offering a clear, understandable designation that responders can easily recognize.

Using both the UN ID number and the printed name allows for precise identification of the material, facilitating informed decision-making about the appropriate response measures. This dual approach provides clarity and enhances communication among responders and between agencies, which is vital in emergency situations.

In contrast, other identification methods, while useful in specific contexts, do not provide the same level of universally accepted information critical for emergency situations. This makes the UN ID and printed name combination the most effective means for quickly and accurately identifying hazardous materials in the ERG.