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).
What are the four colors of a NFPA safety diamond and what does each color represent?
The NFPA diamond is made up of four smaller diamonds that each have a different meaning and rating. The four smaller diamonds are red,blue,white and yellow. Each color stands for a different category they are health,flammability,reactivity and special.
How many colors are there on a hazard diamond?
The label is diamond-shaped, made up of four smaller diamonds, one each blue, red, yellow, and white. A number or special symbol is placed on the four diamonds.
What do each of the colors within the diamond indicate?
People often notice a colored sign on a building called a fire diamond. Fire diamonds located on tanks and buildings indicate the level of chemical hazard located there. The four colors are blue, red, yellow, and white. … Sometimes fire diamonds can be misleading about the chemical hazards actually at a facility.
What does the red color in the NFPA diamond represent?
The red diamond, appearing at the top of the label, conveys Flammability Hazard information. Again, the numbers 0 to 4 are used to rate the flammability hazard, as follows: 0-Will not burn.
What does the white color on the NFPA diamond stand for?
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 color are hazard signs?
OSHA specifies that red, black and white colors are to be used for danger signs. Caution signs — Warn against potential hazards or caution against unsafe practices. OSHA specifies that caution signs must have a yellow background and black panel with yellow letters.
What color represents instability hazards of the NFPA diamond?
Instability, or reactivity, is shown in the yellow area. This part of the color code is for materials that could be unstable during an emergency situation.
Which NFPA symbol color indicates the greatest risk?
The red, blue, and yellow diamonds use a numbering system from 0 – 4 to indicate the severity of each fire, health, and reactivity hazard, respectively. “0” indicates no hazard and “4” indicates the most severe hazard. The white diamond uses different symbols to indicate different special hazards.
How do you read hazard diamonds?
The number corresponds to the level of danger a chemical poses. The lower the number, the lower the hazard. The numbers range from zero to four, with zero representing no hazard at all, and four representing an extreme hazard. Each number also has a specific meaning based on which diamond it is in.
What does the color yellow indicate?
It isn’t surprising that yellow symbolizes happiness, warmth and sunshine in most cultures; these are characteristics of the yellow sun and its effects.
What does a blue 2 mean?
blues and twos
An emergency vehicle, such as an ambulance or police car, that has blue flashing lights and a siren that sounds two notes.
What do red yellow and blue signs mean?
What do the big diamond-shaped signs with red yellow and blue diamonds mean? … You see these signs on any building that contains hazardous chemicals. The sign is called an NFPA panel. NFPA stands for National Fire Protection Association.
What do the colors mean in the ERG?
The ERG is organized into easily recognized colors. WHITE – Introduction, instruction, guidance, placards, and more. YELLOW – Materials ordered by 4-Digit UN/NA Number. BLUE – Materials ordered by dangerous goods material name.
What is the yellow section of the ERG?
YELLOW: The yellow pages list chemicals in numerical order based on their assigned ID number (UN number). If you are reading a placard or label which has a four-digit number in the center, you can look up the chemical name in the yellow pages, which will tell you the name of the chemical and the Guide number.
What color is fire protection?
OSHA and Safety Colors
Red must be used for fire-related hazards, as well as emergency switches, bars, and buttons on hazardous machines. (“Fire-related hazards” may include identifying fire protection equipment and containers of flammable liquids.)