Final answer:
The Emergency Response Guidebook (ERG) is intended for first responders who arrive initially at the scene of a hazardous materials incident, not for use in fixed locations, and requires other resources for comprehensive response.
Step-by-step explanation:
The most accurate statement regarding the Emergency Response Guidebook (ERG) is that it is for use by responders who may be the first to arrive at the scene of a transportation incident involving dangerous goods/hazardous materials.
The ERG is a go-to manual developed for first responders such as firefighters, police, and ambulance services when they initially encounter an incident involving hazardous materials. It serves as a quick reference to help mitigate the situation until specialized units arrive. Notably, the guide is not exclusively designed for fixed-facility locations, which eliminates the first option as a correct answer. Additionally, while the ERG is comprehensive, it does not address all possible incidents or circumstances related to hazardous materials, indicating that the third option is incorrect. Moreover, although the ERG is a robust resource, it works best when supplemented with other informational sources and specialized knowledge, hence the notion of it being a stand-alone resource without the need for any other resources is a misrepresentation, making the second option incorrect.
The correct answer emphasizes the guide's utility in providing immediate guidance to first responders during the critical first minutes of an incident involving potentially dangerous substances. It includes safety considerations, potential hazards, and initial response actions to protect people and the environment until more help can arrive.