Who must sign the Uniform Hazardous Waste Manifest?

• A. The Transporter
• B. The Shipper
• C. The Receiver
• D. The Broker

Answer: (A)

Signatures on the Uniform Hazardous Waste Manifest establish the chain of custody as waste travels from generation to disposal. The transmitter (the transporter) signs to show they’ve taken possession of the waste and will assume responsibility during transport. This signature confirms the handoff from the generator to the carrier and documents accountability for the shipping leg. While the generator signs to authorize shipment and the receiving facility signs upon receipt, the transporter's signature is the key one that records the transfer of custody during transport. The broker isn’t a required signer on the standard manifest.