The four bars are color coded, using the modern color bar symbols with
blue
indicating the level of health hazard, red for flammability, orange for a physical hazard, and white for Personal Protection. The number ratings range from 0-4.
What does the health hazard symbol look like?
Health Hazard
The symbol is
an exclamation mark
.
Which color indicates health hazards in 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).
What is a health hazard rating?
Labels rate hazards in the Health, Flammability and Reactivity sections on
a scale from 0 to 4
, 0 being the least hazardous and 4 being very hazardous.
Which pictogram can be a physical or health hazard?
The exclamation point pictogram
is used for the health hazards of acute toxicity, skin irritation, eye irritation, skin sensitization and specific target organ toxicity following a single exposure in the form of narcotic effects or a respiratory tract infection.
What is the chemical hazard symbol?
| ☠ | Hazard symbol | In Unicode U+2620 ☠ SKULL AND CROSSBONES (HTML ☠ ) |
|---|
How many hazard classes are there?
The DOT separates hazardous materials into
nine different categories
or “hazard classes.” They are defined by specific hazardous properties and have distinct regulatory requirements for packaging, markings, and labels.
What does the serious health hazard symbol mean?
If a substance is marked with a ‘serious health hazard’ COSHH symbol then it indicates that contact with this
substance could cause serious health issues or have long term effects on a person’s health
. It can also mean that a substance can be fatal if it is ingested or inhaled.
What is the hazard symbol for explosive?
Exploding Bomb: Explosives, including organic peroxides and highly unstable material at risk of exploding even without exposure to air (self-reactives).
Flame Over Circle
: Identifies oxidizers.
What are the 4 hazard categories?
| Hazard Class Associated Hazard Category | Gases under pressure 4 Groups include: Compressed gas, Liquefied gas, Dissolved gas, and Refrigerated liquefied gas | Flammable liquids Categories 1 – 4 | Flammable solids Categories 1 and 2 | Self-reactive substances Types A-G |
|---|
What is a hazard code?
Hazard statements are
assigned a unique numerical code
which can be used as a handy reference when translating labels and Safety Data Sheets written in other languages.
What is the hazard identification number?
An UN number (United Nations number) is
a four-digit number that identifies hazardous materials
, and articles (such as explosives, flammable liquids, oxidizers, toxic liquids, etc.) in the framework of international transport.
What is the most severe NFPA hazard rating?
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.
Which of the following is a health hazard?
The term “health hazard” includes chemicals which are
carcinogens
, toxic or highly toxic agents, reproductive toxins, irritants, corrosives, sensitizers, hepatotoxins, nephrotoxins, neurotoxins, agents which act on the hematopoietic system, and agents which damage the lungs, skin, eyes, or mucous membranes.
What are some examples of physical hazards?
Physical hazards include
exposure to slips, trips, falls, electricity, noise, vibration, radiation, heat, cold and fire
. The following table summarizes the sources of physical hazard exposure and their health effects.
What are two hazards that apply to gasoline?
- Inhalation: Can irritate the nose and throat. …
- Skin Contact: May cause mild irritation. …
- Eye Contact: Not irritating.
- Ingestion: Can irritate the mouth, throat and stomach.
