Which index is provided in the ERG Page (Blue)?

The correct answer is the material name index. This section of the Emergency Response Guide (ERG), denoted by the blue pages, is designed to provide quick access to details about hazardous materials based on their names. Responders can use this index to locate specific materials quickly, which is essential during emergency situations where time is critical. By finding a material in the index, responders can access important guidelines relevant to that substance, such as the necessary safety precautions, containment procedures, and emergency response measures.

The other sections of the ERG serve different purposes. For example, the ID number index offers an alternative way to find information based on the identification number of the hazardous material, which is beneficial but not the same as looking up by material name. Additionally, the numbered guide pages provide detailed emergency response information but do not serve as an index, and the basic information and instructions relate more to general guidance than a specific material identification.