Hazard symbol
Hazard symbols are recognizable symbols designed to warn about hazardous or dangerous materials, locations, or objects, including electric currents, poisons, and other potential threats. These symbols are internationally recognized and used in various contexts such as chemical safety and hazard identification.
History
The use of hazard symbols began in the early 20th century to identify potential risks in both industrial and public settings. The symbols were initially used in the chemical industry and have since been adopted by various other industries and regulatory bodies.
Types of Hazard Symbols
There are several types of hazard symbols, each representing a different type of risk or hazard. These include:
- Chemical hazard symbols: These symbols are used to indicate the presence of chemicals that can cause harm to humans, animals, or the environment. They are often used on labels and safety data sheets in the chemical industry.
- Biohazard symbols: These symbols are used to signify the presence of biological substances that pose a threat to health, such as infectious diseases.
- Radiation hazard symbols: These symbols are used to indicate the presence of radioactive materials or radiation-emitting devices.
- Explosive hazard symbols: These symbols are used to indicate the presence of explosive materials.
International Standards
Hazard symbols are standardized internationally through various regulatory bodies. The Globally Harmonized System of Classification and Labelling of Chemicals (GHS) is one such body that provides a comprehensive approach to defining health, physical and environmental hazards of chemicals, and communicating information on labels and safety data sheets.
See Also
References
This safety related article is a stub. You can help WikiMD by expanding it.
GHS pictogram skull
ISO 7010 W021
GHS pictogram flamme
NFPA 704 example
HMIS III - Diesel Fuel
Hazard F
WHMIS Class B
ISO 7010 W001
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