How many hazardous materials classes are there? Before you start the test, please answer the question below regarding your insurance status. Without insurance you will not be able to drive in Ohio Do you currently have car insurance? Yes I have insurance. Great, you're all set! Click here if you still want to compare rates. No, I need insurance and I want to compare options. 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
