Contents
How do you read a hazard diamond?
Within the diamond is a number (with the exception of the white diamond). 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.
What is the hazard diamond called?
NFPA 704, also known as a fire diamond, is a diamond-shaped sign or picture that tells people about the hazards of a chemical compound. It was designed in 1960 by the National Fire Protection Association, as a way of quickly telling firefighters and other emergency workers what kind of dangers might be nearby.
What color on the NFPA diamond represents health hazard?
blue
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.
Where can I find a NFPA diamond?
The 2012 edition of NFPA 704 can be accessed for free by going to www.nfpa.org/704. In addition NFPA 704 and the Fire Protection Guide to Hazardous Materials, 2010 edition can be purchased by clicking on the Products and Training tab at the www.nfpa.org/704 page or by calling (800) 344-3555.
What does Level 4 flammability hazards indicate?
Risk level 4: Very flammable gases or very volatile flammable liquids. Shut off flow and keep cooling water streams on exposed tanks or containers. Risk level 3: Materials that can be ignited under almost all normal temperature conditions. Water may be ineffective because of the low flash point.
How do you read a hazard code?
How to Communicate Hazards: Hazard Statements
- Each code begins with the Letter “H” for Hazard Statement.
- The first number designates the type of hazard the hazard statement is assigned. 2 = physical hazard. 3 = health hazard. 4 = environmental hazard.
What are the 9 DOT hazard classes?
A visor card guide for state and local law enforcement officials illustrating vehicle placarding and signage for the following nine classes of hazardous materials: 1) Explosives, 2) Gases, 3) Flammable Liquid and Combustible Liquid, 4) Flammable Solid, Spontanaeously Combustible and Dangerous When Wet 5) Oxidizer and …
What does 3YE mean?
motor spirit
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.
What is full form of NFPA?
What Does National Fire Protection Association (NFPA) Mean? The National Fire Protection Association (NFPA) is an American association that creates standards and codes for use by local governments.
What is the highest severity level for the NFPA diamond hazard system?
Number System: NFPA Rating and OSHA’s Classification System 0-4 0-least hazardous 4-most hazardous 1-4 1-most severe hazard 4-least severe hazard • The Hazard category numbers are NOT required to be on labels but are required on SDSs in Section 2.