Chemical substances are rated for degree of HEALTH RISK (blue diamond), FLAMMABILITY (red diamond), REACTIVITY (yellow diamond), on a scale of 0 to 4.
What is NFPA Classification?
NFPA 704 rating system is a standard system developed by the U.S.-based National Fire Protection Association (NFPA) for indicating the health, flammability, reactivity and special hazards for many hazardous chemicals through the use of the NFPA 704 Diamond.
What does the NFPA code mean?
The National Fire Prevention Association (NFPA) is a global, non-profit organization that promotes safety standards, education, training, and advocacy on fire and electrical-related hazards. … The sign, with the meaning of its colors and numbers, is part of a larger standard maintained by the NFPA.
Where is NFPA on SDS?
In a 2013 interpretation letter, OSHA confirmed that SDS authors may include HMIS and NFPA ratings in Section 2 of the SDS as long as they do not contradict or cast doubt on the HCS 2012 classification. We have emphasized the last part of that statement.
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.
What are Class I II and III liquids?
Class II liquids are combustible liquids that have a flash temperature point at or above 100 °F (37.8 °C) and below 140 °F (60 °C). Class IIIB liquids are combustible liquids that have a flash point at or above 200 °F (93 °C).
What does Flammability 1 mean on MSDS?
1. SLIGHT HAZARD This material must be preheated before ignition will occur. Flammable liquids in this category will have flash points (the lowest temperature at which ignition will occur) at or above 200º F (NFPA Class IIIB).
Are NFPA codes mandatory?
The NFPA creates a variety of safety standards that are designed to help reduce the risk of fire, and allow emergency responders to safely put fires out should they occur. The NFPA, however, does not have any enforcement authority on its own, which means on the surface these codes are not legally mandatory.
What does Code 4 mean for firefighters?
Code 4 – Negotiated response time. Proceed without lights or siren. Road rules must be obeyed.
What are the 4 levels of severity?
There are 4 Severity levels ranging from 1 to 4.
- Level 1 – Critical Impact/System Down. Complete system outage.
- Level 2 – Significant Impact/Severe downgrade of services.
- Level 3 –Minor impact/Most of the system is functioning properly.
- Level 4 – Low Impact/Informational.
What is a Level 5 incident?
Type 5 ▪ The incident can be handled with one or two single resources with up to six personnel. … The incident is contained within the first operational period and often within an hour to a few hours after resources arrive on scene. ▪ Examples include a vehicle fire, an injured person, or a police traffic stop.
What is a Level 1 incident?
Level 1. An incident involving hazardous materials that can be contained, extinguished, and/or abated using resources immediately available to the public sector responders having jurisdiction. Level 1 inci- dents present little risk to the environment and/or to public health with containment and cleanup.
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.
What does white represent on the NFPA diamond?
The white diamond, appearing at the bottom of the label, conveys Special Hazard information. This information is conveyed by use of symbols that represent the special hazard.