The NFPA 704 diamond sign used to display this information has four colored sections: blue, red, yellow, and white. Each section is used to identify a different category of potential hazards.
What do the colors represent on the NFPA diamond?
The system uses a color-coded diamond with four quadrants in which numbers are used in the upper three quadrants to signal the degree of health hazard (blue), flammability hazard (red), and reactivity hazard (yellow). The bottom quadrant is used to indicate special hazards.
What are the four colors of a NFPA safety diamond and what does each color represent?
The National Fire Association (NFPA) has developed a color-coded number system called NFPA 704. The system uses a color-coded diamond with four quadrants in which numbers are used in the upper three quadrants to signal the degree of health hazard (blue), flammability hazard (red), and reactivity hazard (yellow).
Which color represents the fire hazard in the National Fire Protection Association diamond?
The panel has four areas: Red – Fire hazard. Blue – Health hazard. Yellow – Reactivity.
How do you read NFPA diamonds?
The red-colored section of the NFPA Diamond is located at the top or twelve o’clock position of the symbol and denotes a material’s flammability and susceptibility to catching fire when exposed to heat. Flammability is graded on a 0 to 4 scale, and a lower rating is safer.
What are the 9 hazard symbols?
Hazard pictograms (symbols)
- Explosive (Symbol: exploding bomb)
- Flammable (Symbol: flame)
- Oxidising (Symbol: flame over circle)
- Corrosive (Symbol: corrosion)
- Acute toxicity (Symbol: skull and crossbones)
- Hazardous to the environment (Symbol: environment)
What does the White represent on the NFPA diamond?
The four divisions are typically color-coded with red on top indicating flammability, blue on the left indicating level of health hazard, yellow on the right for chemical reactivity, and white containing codes for special hazards.
What are the 9 DOT hazard classes?
The nine hazard classes are as follows:
- Class 1: Explosives.
- Class 2: Gases.
- Class 3: Flammable and Combustible Liquids.
- Class 4: Flammable Solids.
- Class 5: Oxidizing Substances, Organic Peroxides.
- Class 6: Toxic Substances and Infectious Substances.
- Class 7: Radioactive Materials.
- Class 8: Corrosives.
What Colour are danger tags?
Personal “DANGER” tags are colour-coded red and black, and are used while equipment and machinery is being repaired or serviced. A “DANGER” tag is a warning to all persons that the equipment or machinery is being worked on and must not be operated, as lives may be placed in danger.
What does the number 4 in the Red Diamond represent?
A four in the red indicates an extremely high ability to ignite and combust. The Yellow concerns Reactivity, or the chemical’s ability to react with other chemicals in the environment. The white indicates special precautions, usually used for oxy, or oxidizing agent.
Is 3 m HCL dangerous?
Hazard statements: May be corrosive to metals Causes severe skin burns and eye damage May cause respiratory irritation Causes serious eye damage Precautionary statements: If medical advice is needed, have product container or label at hand Keep out of reach of children Read label before use Keep only in original …
What are the 3 new GHS hazard classes?
GHS uses three hazard classes: Health Hazards, Physical Hazards and Environmental Hazards.
What gives a diamond fire?
A diamond’s “fire” is the effect produced when white light disperses into rainbow colors when it hits the diamond’s facets (the angled cuts in the stone). … The more virtual facets a diamond has, the more it can refract light, adding to the diamond’s fire.
Are NFPA diamonds required?
NFPA 704 labels are required when another Federal, state or local regulation or code requires their use. NFPA 704 does not specify when a container, tank or facility must label with the 704 diamond.
How do I find my NFPA label?
NFPA Rating Criteria and NFPA Labels
Different colors represent different types of hazards. A number rating system of 0-4 is provided to rate each of the four hazards and is placed on a placard. 0 represents the least hazardous while 4 represent the most hazardous.
What does 3YE mean?
For motor spirit with UN number 1203, the HAZCHEM code is 3YE, and this would mean: For motor spirit with UN number 1203, the HAZCHEM code is 3YE, and this would mean: 3- Use Foam only. Y- Can be violently (V) reactive or explosive. Breathing apparatus plus protective gloves to be used in case of fire.