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Questions and Answers
What is the primary purpose of hazard symbols?
What is the primary purpose of hazard symbols?
- To identify the type of substance or material
- To classify substances into different categories
- To determine the severity of a hazard
- To provide a standardized way to communicate potential hazards (correct)
Which of the following hazard symbols is used to indicate a corrosive hazard?
Which of the following hazard symbols is used to indicate a corrosive hazard?
- NFPA 704 Diamond only
- GHS symbol only
- GHS and EU symbols (correct)
- EU symbol only
What is the significance of the blue section in the NFPA 704 Diamond?
What is the significance of the blue section in the NFPA 704 Diamond?
- It indicates the instability hazard of a substance
- It indicates the environmental hazard of a substance
- It indicates the health hazard of a substance (correct)
- It indicates the flammability hazard of a substance
What is a common benefit of using hazard symbols?
What is a common benefit of using hazard symbols?
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Which of the following is NOT a type of hazard symbol?
Which of the following is NOT a type of hazard symbol?
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What is the primary goal of using hazard symbols in terms of safety?
What is the primary goal of using hazard symbols in terms of safety?
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Study Notes
Hazard Symbols
Hazard symbols are pictograms used to identify and warn of potential hazards or dangers associated with a substance, material, or situation.
Types of Hazard Symbols:
- GHS (Globally Harmonized System) Symbols:
- Explosion hazard
- Flammability hazard
- Oxidizing hazard
- Gas cylinder
- Corrosive hazard
- Acute toxicity hazard
- Skin irritation hazard
- Eye irritation hazard
- Respiratory sensitization hazard
- Skin sensitization hazard
- Carcinogenic hazard
- Mutagenic hazard
- Reproductive toxicity hazard
- Environmental hazard
- EU (European Union) Hazard Symbols:
- Toxic hazard
- Corrosive hazard
- Flammable hazard
- Explosive hazard
- Oxidizing hazard
- Harmful hazard
- Irritant hazard
- Environmental hazard
- NFPA (National Fire Protection Association) 704 Diamond:
- Blue (health hazard): 0-4 (0 being no hazard, 4 being extreme hazard)
- Red (flammability hazard): 0-4
- Yellow (instability hazard): 0-4
- White (special hazard): various symbols (e.g., W for reactive with water, OX for oxidizer)
Importance of Hazard Symbols:
- Communication: Hazard symbols provide a standardized way to communicate potential hazards to people who may be exposed to them.
- Safety: Hazard symbols help to alert people to potential dangers, enabling them to take necessary precautions to avoid accidents or injuries.
- Regulation: Hazard symbols are often required by law or regulation to ensure that products and materials are properly labeled and handled.
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