The isolation distance in the ERG's numbered guides is used after obtaining which information?

The isolation distance in the ERG's numbered guides is used after obtaining which information?

• A. The color of the placard
• B. The 3-digit guide number through the ID Number or material name indexes
• C. The material's UN number
• D. The total weight of the container

Answer: (B)

The key idea is that the ERG’s isolation distances are tied to a three-digit guide number. To use them, you must first identify the material so you can find that guide number in the ID Number or material name indexes. Once you have the guide number, you go to the corresponding numbered guide and read the initial isolation distance for that material and container size. The color of a placard, the UN number itself, or the container’s total weight don’t directly provide the isolation distance. You use the material’s identification to obtain the guide number, and then the guide number tells you exactly which distance to apply.

The key idea is that the ERG’s isolation distances are tied to a three-digit guide number. To use them, you must first identify the material so you can find that guide number in the ID Number or material name indexes. Once you have the guide number, you go to the corresponding numbered guide and read the initial isolation distance for that material and container size. The color of a placard, the UN number itself, or the container’s total weight don’t directly provide the isolation distance. You use the material’s identification to obtain the guide number, and then the guide number tells you exactly which distance to apply.