Why must certain hazardous materials be segregated from one another during loading, based on their hazard classes?

Pick an answer

1. All hazardous materials can always be safely loaded together with no restriction whatsoever between classes
2. Segregation rules exist only for organizational convenience, not safety
3. Some combinations of materials can react dangerously if they come into contact, such as during a leak
4. Segregation only matters for materials of the exact same hazard class

Correct!

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