Question To complete a Uniform Hazardous Waste Manifest, you must: Answers Sign by hand. Sign, but only if you cross into another state. Sign, but only if the weather was hazardous. Have a witness sign. Explanation A Uniform Hazardous Waste Manifest must be signed by hand. The name and EPA registration number of the shippers, carriers, and destination must also appear on the manifest. Take a FREE Practice Test Now This questions appears in the following tests: Colorado HazMat , Florida HazMat , Georgia HazMat , Nevada HazMat , New Jersey HazMat , North Carolina HazMat , South Dakota HazMat ,