Question A manifest for transporting hazardous waste: Answers Must be signed by hand. Must be sent electronically. Must be attached to the outside of the trailer. Explanation If you are transporting hazardous waste, you must carry with you a Uniform Hazardous Waste Manifest. The manifest must be signed by hand. This questions appears in the following tests: Arizona HazMat Arizona Tank Arkansas Tank Idaho HazMat Iowa HazMat Maryland HazMat Mississippi Tank Missouri HazMat Nevada Tank New Mexico HazMat Oklahoma HazMat South Dakota Tank