How many hazardous materials classes are there? Question How many hazardous materials classes are there? Answers Four Six Nine Two Explanation There are nine different classes of hazardous materials. A class reflects the risks associated with a type of material. This questions appears in the following tests: Colorado HazMat Colorado HazMat Delaware HazMat Florida HazMat Georgia HazMat Georgia HazMat Indiana HazMat Kansas HazMat Massachusetts HazMat Massachusetts HazMat New Jersey HazMat New York HazMat North Dakota HazMat South Dakota HazMat Tennessee HazMat Texas HazMat Texas HazMat
