Nfpa Hazard Rating Diamond

Nfpa diamond hazard rating system this nfpa hazard rating system includes three color codes and five intensity levels.

Nfpa hazard rating diamond. Each color code blue red and yellow of the hazard rating system corresponds to a hazard. It identifies the hazards of a material and the degree of severity of the health flammability and instability hazards. You ve probably seen the colorful labels used to communicate these hazards. The latest version of nfpa 704 sections 5 6 7 and 8 for the specifications of each classification are listed below.

The system is characterized by the diamond shape that is actually a square on point shape. Blue red yellow and white. The most recognizable part of the label is the hazard diamond which is further broken up into four smaller diamonds. Department of transportation hazard labels and a general description of the chemical.

See question 7 while the criteria are located in nfpa 704 the actual ratings for specific chemicals are not included in the document. Each of health flammability and reactivity is rated on a scale from 0 no hazard to 4 severe hazard. This standard presents a simple readily recognized and easily understood system of markings commonly referred to as the nfpa hazard diamond that provides an immediate general sense of the hazards of a material and the severity of these hazards as they relate to emergency response. Health fire and instability denotation or chemical change.

The chemical identifier fields include common identification numbers the nfpa diamond u s. Nfpa 704 sometimes is called a fire diamond because the diamond shaped sign indicates flammability of a substance and also communicates essential information about how emergency response teams should deal with a. Special w or ox from the nfpa website. The nfpa fire protection guide to hazardous materials includes two withdrawn nfpa documents that contain hazard property information based on previous editions.

The blue red and yellow fields which represent health hazard flammability and reactivity respectively use a numbering scale ranging from 0 to 4. Instability hazard 0 4 white. The label is diamond shaped made up of four smaller diamonds one each blue red yellow and white. A value of 0 means that the material poses essentially no hazard whereas a rating of 4 indicates extreme.

Nfpa 704 rating numbers within text of the sds. Nfpa s hazard rating diamond the national fire protection association has developed a rating system to identify and rank hazards of a material. The nfpa 704 label contains lots of information in a compact and easy to understand format which is essential in emergency situations. The nfpa diamond consists of four color coded fields.