Question If transporting chlorine, what must be in the vehicle? Answers A gas mask Goggles An axe Explanation If transporting chlorine in cargo tanks, a driver must have an approved gas mask in their vehicle. This questions appears in the following tests: California Tank Hawaii HazMat Idaho HazMat Kentucky HazMat Louisiana HazMat Maine HazMat Maryland HazMat Montana HazMat Nebraska HazMat Nevada HazMat North Carolina HazMat Ohio HazMat Oklahoma HazMat Oregon HazMat Rhode Island HazMat Rhode Island HazMat Vermont HazMat Virginia HazMat Virginia HazMat Washington HazMat Wyoming HazMat