What do safety diamonds mean?

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 do the colors on a safety diamond mean?

Colors are used to further distinguish the hazards, with red referring to flammability, blue referring to health, and yellow referring to instability. Severity is indicated by a numerical rating that ranges from 0 (as the minimal hazard) to 4 (as a severe hazard).

How do you read a safety diamond?

What does the white part of a safety diamond represent?

White NFPA Diamond

At the bottom of the NFPA diamond you will find a white area, which is used for special hazards. Rather than using numbers in this section you will see a letter or symbol. The most common of these is a W, which is used to indicate that the chemical has an unusual reaction when exposed to water.

What is the purpose of a fire diamond?

Emergency Planning for Chemical Spills. 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.

what is NFPA DIAMOND ?

What are 4 important uses of a diamond?

What happens to diamond when you burn it?

If you heat the diamond in the open air, it will begin to melt and burn at around 700 degrees Celsius (1,292 degrees Fahrenheit). Burning a diamond without oxygen, however, will make it change into graphite (a crystalline form of carbon) before transforming into a fluid.

What does a 4 in the red safety diamond mean?

4-Very flammable gases or very volatile flammable liquids.

The yellow diamond, appearing at the right side of the label, conveys Reactivity (or Stability) information.

What do diamond symbols mean?

Traditionally seen as a symbol of faithfulness, love, purity, innocence and relationships filled with love, diamonds have been regarded over the centuries as a love-bearing crystal which are 'dependable in its virtues when received as a gift' – so it is no surprise that diamonds are used in our engagement rings and ...

What does blue mean on a fire 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).

What does SA mean on a fire diamond?

SA, indicates that the material is a simple asphyxiant gas (nitrogen, helium, neon, argon, krypton or xenon.) (See 8.2.1 through 8.2.4 of NFPA 704) 5. What other symbols can go in the special hazards quadrant of the "diamond"?

What does 300 SA mean?

Best Answer: It means Simple asphyxiants.

What does the number on a fire diamond mean?

What do the numbers and symbols on an NFPA fire diamond mean? The diamond is broken into four sections. Numbers in the three colored sections range from 0 (least severe hazard) to 4 (most severe hazard). The fourth (white) section is left blank and is used only to denote special fire fighting measures/hazards.

What is the best color grading of a diamond?

The highest color grade for a diamond is “D”. “D” color diamonds are very rare and not commonly found in traditional jewelry. Most diamonds used in jewelry have a slight presence of color. It is possible for diamonds to have a very high concentration of desirable color.

What are the 7 safety colors?

What is the best diamond color rating code?

The American Gem Society Color Grade indicates where a diamond's color falls on a scale that runs from 0 (colorless) to 10 (light yellow or light brown). Most labs grade based on using D as the best color (see top line in the scale above), down to Z.

What are the diamonds powers?

Hindus in the ancient times strongly believed that the vibrations of a diamond render a very positive aura to many organs of the body and brain and heart in particular. Other healing powers of diamonds also include protecting the owner from driving away bad dreams, fight depressions and preventing apoplexy.

Is diamond lucky to wear?

Diamond is the gemstone for those who are born under Virgo and Libra as it bestows good luck and prosperity. Other zodiac signs can wear the diamond at certain times and under certain conditions. For example, Capricorn men and women as well as Aquarians can wear the diamond along with a Blue Sapphire.

What is benefit of wearing diamond?

Diamonds help overcome inferiority complex by increasing the confidence levels of the wearer. Individuals belonging to the Libra or Virgo zodiac sign will gain more positive results when they wear a diamond ring. A few ways they will benefit are happiness, good luck, peace and prosperity.

What does a blue 3 mean?

3 = Shock or heat may detonate. 4 = May detonate.

What does 3 0 0 sa mean?

Description. The NFPA Diamond 3-0-0 SA sign identifies an instance where nitrogen is considered highly toxic under OSHA's Hazard Communication Standard. Under emergency conditions, this substance can cause serious or permanent injury.

What does 3 0 1 cor mean?

NFPA 704 Diamond with 3-0-1-COR Hazard Level Indicators

This surface-mount diamond with 3-0-1-COR rating will help alert emergency responders to potential danger. Please NOTE: The symbol in the white Special Hazard area of this specific diamond is not considered an "authorized symbol" by the NFPA.

How can you tell if a diamond is real?

If you have a loose diamond to test, fill a regular glass about ¾ of the way full with water. Gently drop the diamond into the glass. If the diamond sinks to the bottom, it's real. If it floats at the surface or just underneath, it's likely a fake.

Which can destroy a diamond?

That means a direct hit with an ordinary hammer can absolutely break a diamond.

What happens when you breathe on a diamond?

A synthetic stone will not be able to absorb heat, and so, by simply breathing on a diamond you may be able to get a hint of whether it is real or not. A real diamond will fog (but will immediately clear up) whereas a fake diamond should not be affected at all.