Definition Of Hazard Class

Materials a substance such as a chemical that represents a health and safety risk.

Definition of hazard class. Systems of hazard classes are used to group hazards together in a manner based on an internally consistent set of technical criteria. The hazard class and category will be provided in section 2 hazard identification of the sds. Defined in 49 cfr 172 101 and 172 they include explosives gases flammable and combustible liquids flammable solids oxidizing substances organic peroxides toxic substances and infectious substances radioactive materials corrosives and miscellaneous hazardous materials. The definition of hazard with examples.

Hazard a condition situation object activity or behavior with the potential of causing injuries ill health or damage to equipment or structures loss of material or the environment. Class 2 gases three divisions 2 1 flammable gas gas at 20 degrees c 68 degrees f or less 101 3 kpa 14 7 psi of pressure is ignitable at 101 3 kpa 14 7 psi when in a mixture of 13 percent or less by volume with. Every hazardous material is assigned to one of nine hazard classes as defined in 49 cfr 172 101 and 173. A hazard class is a group of hazardous chemical substances that share similar properties.

Means the nature of the physical or health hazards e g flammable solid carcinogen oral acute toxicity. Oxidizing substances organic peroxides. This includes any element agent environment or state that has potential to cause a negative outcome. A hazard is a source of risk.

The nine hazard classes are as follows. Hazardous materials can be broken down into nine hazard classes. Hazard definition a hazard is any object situation or behavior that has the potential to cause injury ill health or damage to property or the. Each hazard class or category must use specific pictograms and other label elements to indicate the hazard that is present and what precautionary measures must be taken.