Groups A, B, C, and D are for gases (Class I only). Groups E, F, and G are for dusts and flyings (Class II or III). The specific hazardous materials within each group and their automatic ignition temperatures ca
CLASS6-TOXICSUBSTANCESandINFECTIOUSSUBSTANCES[IATAref.3.6.2;CFRref.173.132]& [IATAref.3.6.6;CFRref.173.134);IMDG2.6]26 CLASS7-RADIOACTIVEMATERIALS[IATAref.3.7.1;CFRref.173.403);IMDG2.7]26 CLASS8-CORROSIVES[IATAref.3.81.;CFRref.173.136);IMDG2.8]26 ...
Zones compares to classes and divisions in the North AmericanClass/Division system. Group Group define thetypeof hazardous material and (partly) thelocationof the surrounding atmosphere. Group is divided in three groups where group I is reserved for mining locations. ...
Class III locations are characterized by the presence of easily ignitable fibers, such as cotton, wool, or other similar materials, in sufficient quantities to create a potential fire hazard. These fibers have the capacity to ignite rapidly and can propagate flames quickly if exposed to an ignitio...
a Class and Division system has been adopted for hazardous locations. Hazardous locations are divided into three Classes with each Class subdivided into two Divisions. The Classes are based on the type of hazard potential and the explosive nature of the materials, while Divisions are based on the...
hazardous areas are separated by classes, divisions, and groups to define the level of safety required for equipment installed in these locations. Classes define the general form of the flammable materials in the atmosphere. Divisions define the probability of the presence of flammable materials. Grou...
Classes and Divisions for Hazardous Area Lighting Hazardous area lighting is categorized into different classes and divisions based on the level of risk and the type of hazardous material present. The primary classifications are: Class I: Areas where flammable gases or vapors are present in the air...
Divisions Hazardous areas don’t always maintain a constant level of risk. In these circumstances, rather than evaluating these areas along a spectrum or constantly reevaluating at-risk areas, facilities classify them by their likelihood of having hazardous materials. ...
materials. The Classes are separated based on the type of hazard and the explosive characteristics of the material. The Divisions are based on the occurrence or risk of fire or explosion that the material presents. The Classes or type of material is further separated into Divisions based on the...
Wastes that contain heavy metals and halogenated organics Greases and oils The first step in determining if you have a hazardous waste is to understand the materials that go into your process, how the materials are used, and how they flow into and out of the process. You must be aware ...