What must be included in a properly prepared uniform hazardous waste manifest?

Answer: B — Must be signed and carried by anyone transporting a hazardous waste

A properly prepared uniform hazardous waste manifest must include comprehensive information to ensure safe and compliant transportation of hazardous waste. One critical requirement is that it must be signed and carried by anyone transporting hazardous waste. This signature is essential for accountability and legal compliance, as it demonstrates that the transporter acknowledges the responsibility for the waste being transported. Having a properly completed manifest is not just about regulatory compliance; it also serves as a vital communication tool between the generator of the waste, the transporter, and the receiving facility. The manifest helps track the waste from its point of origin to its final destination, ensuring that all parties are aware of the type and quantity of waste being handled. This requirement emphasizes the importance of proper documentation and accountability in hazardous waste management, which is crucial for environmental protection and public safety. It is important to note that while other options may touch on related aspects of transporting hazardous materials, they do not address the fundamental requirement of who must sign and carry the manifest during transport.