QUOTE: Originally posted by sierrarr There are 9 classes of hazardous materials. Class 1 is Explosives Class 2 is Gases Class 3 is Flammable liquids Class 4 is Flammable solids Class 5 is Oxidizers Class 6 is Poisons Class 7 is Radioactive materials Class 8 is Corrosives Class 9 is Miscellanious/Other excepted materials (OEM) If you email me offline, I will email you detailed information on the subclasses and color placards. Ira
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