Answer :
Final answer:
An additive must be tested at 2x its maximum dosage to be approved for use.
Explanation:
In order for an additive to be approved for use, it must be tested at 2x its maximum dosage. This ensures that the additive is safe and effective at the recommended levels. Testing the additive at 2x its minimum dosage could potentially result in underdosing, while testing it at 4x or 5x its maximum dosage may exceed the acceptable limits and pose risks to health.
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