Why does a hazmat shipment's total weight matter for placarding in addition to what type of material it is?

Pick an answer

1. Because placarding thresholds are often based on a combination of hazard type and the quantity being carried
2. Because heavier shipments are always less hazardous per pound than lighter, more concentrated ones overall
3. Because heavier loads are placarded only for tax purposes
4. Weight has no bearing on placarding requirements at all

Correct!

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