If transporting chlorine, what must be in the vehicle? Question If transporting chlorine, what must be in the vehicle? Answers A gas mask Goggles An axe A cell phone Explanation A driver transporting chlorine in cargo tanks must have an approved gas mask in the vehicle, as well as an emergency kit for controlling leaks in dome cover plate fittings on the cargo tank. This questions appears in the following tests: Alabama HazMat Connecticut HazMat Florida HazMat Georgia HazMat Kansas HazMat Maryland HazMat Oregon HazMat