hazard class division

Division 3.1: Flashpoint below -18°C(0°F) Division 3.2: Flashpoint below -18°C and above, but less than 23°C(73°F) Division 3.3: Flashpoint 23°C and up to 61°C(141°F) DOT Hazard Class 4: Flammable solids, spontaneously combustible materials, and materials that are dangerous when wet. Class I Div 1, Groups A, B, C, and D - Explained. Google use cookies for serving our ads and handling visitor statistics. For Division 6.1, Packing group III (PG III) materials. Class 1 dangerous goods are explosive substances and articles. Group II is for explosive gases (Zone 0, 1 and 2) and Group III is for explosive dusts (Zone 20, 21 and 22). Non-bulk. No other aspect of safety receives more attention in the form of codes and standards. Please read AddThis Privacy for more information. There are 9 hazard classes defined in the Regulations namely: Class 1 - Explosives (sub-divided into six divisions). Table 7a. Compressed hydrogen, isobutane, methane and propane etc. Class 1 goods are products that possess the ability to alight or detonate as a consequence of a chemical . Divisions • Division I is the most severe environment: the hazardous atmosphere is always or often present, or becomes present during frequent servicing/repair. UN hazard classes and Packing Groups. Hazardous Locations: Classes, Divisions and Groups. Ex. "Comprehensive reviews, proven test strategies, practice questions, guaranteed to raise your score." Explosives that have a fire hazard and either a minor blast hazard or both but not a mass explosion hazard. You can target the Engineering ToolBox by using AdWords Managed Placements. Groups A, B, C, and D are for gases (Class I only). Route Plan requirements for Hazard Class 7 (Radioactive) materials are found in 49 CFR 397.101. d. Emergency Response Guidebook (ERG) or Equivalent. Define Hazard Class division 2.1. There are three broad sub-categories of Hazard Class 2 that specify which type of hazard a gas presents. Found inside – Page 116Hazardous waste can often exhibit more than one of the designated HMTA hazard classes or divisions . A classification hierarchy has been established for ... Mass fire, minor blast or fragment. Quick Tips #124.1. Areas with possible fire or explosion risks due to explosive atmospheres and/or mixtures - are called hazardous (or classified) locations or areas. Compressed hydrogen, isobutane, methane and propane etc. Ex. Atmosphere containing a flammable gas, a flammable liquid produced vapor, or a combustible liquid produced vapor mixed with air that may burn or explode, having either a MESG (Maximum Experimental Safe Gap)1) value less than or equal to 0.45 mm or a MIC (Minimum Igniting Current)2) ratio less than or equal to 0.40 - such as hydrogen or fuel and combustible process gases containing more than 30% hydrogen by volume - or gases of equivalent hazard such as butadiene, ethylene oxide, propylene oxide and acrolein. Signal cartridges, cap type primers, igniter fuses, fireworks etc. Mass explosion. This table can be sorted by proper shipping name, UN/NA ID and/or by primary hazard class/division. Division: The Division designator indicates the probability of a hazard igniting or producing an explosion. Class I, Div. National Electrical Code, NFPA 70, Chapter 5, Article 500, 29 CFR 1910 Subpart S, Electrical 1910.307, NFPA 497, "Classification of Gases, Vapors, and Dusts for Electrical Equipment in Hazardous Classified Locations", NFPA Handbook, "Electrical Installations in Hazardous Locations, " by P. J. Schram and M. W. Earley, NFPA 70E, Chapter 5, "Hazardous (Classified) Locations", ANSI/UL 913, "Intrinsically Safe Apparatus", NFPA 496, "Purged and Pressurized Enclosure for Electrical Equipment in Hazardous Locations. HC/D, FIRE SYMBOLS, AND COMPATIBILITY GROUPS • Division II: the hazardous atmosphere is only available infrequently, for instance in the case This book provides in depth coverage of the Department of Transportation's Hazardous Materials Regulations. (* Add compatibility group [C, F, G, H, J, K, L]) Division 1.4 Explosives: Division 1.4 consists of explosives that present a minor explosion hazard. A Framework to Guide Selection of Chemical Alternatives develops and demonstrates a decision framework for evaluating potentially safer substitute chemicals as primarily determined by human health and ecological risks. Material, other than a gas that is known to be so toxic to humans as to afford a hazard to health during transportation or that is presumed to be toxic to humans based toxicity tests on laboratory animals. ERG (Emergency Response Guidebook) Have you ever wondered what those four digit numbers on the placards on the side of trucks and rail cars mean? 10/1/20. The substance referred to by class has a high probability of producing an explosive or ignitable mixture due to it being present continuously, intermittently, or periodically or fromthe equipment itself under normal operating conditions. Group is divided in three groups where Group I is reserved for mining locations. The Hazard Class and Division (HC/D) is a numeric designator within a hazard class indicating the character, predominance of associated hazards, and potential for causing personnel casualties and property damage. Blue asbestos, solid carbon dioxide (dry ice), create, study and share online flash cards, Blue asbestos, solid carbon dioxide (dry ice), Click here to study/print these flashcards. Atmospheres containing propane, acetone, benzene, butane, methane, petrol, hexane, paint solvents or gases and vapors of equivalent hazard. Also, what type of hazard class division is 1.1 1? There are nine hazard classes . Division 1. Division 1.6: Extremely insensitive articles which do not have a mass explosion hazard. Mass explosion. GHS Hazard classes1 - physical hazards Hazard classes Categories / Divisions / Types Explosives Unstable Div 1.1 Div 1.2 Div 1.3 Div 1.4 Div 1.5 Div 1.6 Flammable gases 1A2 1B 2 Aerosols 1 2 3 Oxidising gases 1 Gases under pressure Compressed gas 1 Liquefied gas 1 . These applications will - due to browser restrictions - send data between your browser and our server. An area where combustible dusts or ignitable fibers and flyings are not likely to occur under normal operating conditions and do so only for a short period of time. There are nine different hazard classes under DOT. Division 1.4: Substances and articles which present no significant hazard; only a small hazard in the event of ignition or . Hazmat Class 1 are explosive materials which are any substance or article, including a device, which is designed to function by explosion or which, by chemical reaction within itself is able to function in a similar manner even if not designed to function by explosion.. Class 1 consists of six 'divisions', that describes the potential hazard posed by the explosive. Practice grenades, smokeless powder, Liquid-fueled rocket motors, aerial flares. 1.3. Class II Division 1 is in an area where dust material is handled, manufactured, or used. Ignitable concentrations of flammable gases or vapors which are likely to occur under normal operating conditions. Class 1 / Division 2 :: ATEX Zone 2 - Yellow Zone Industrial Computing for Class 1 / Division 2 and ATEX Zone 2 Where embedded electrical products are concerned, the requirement for harsh environment industries such as oil and gas will usually be certification to Class 1 / Division 2 and/or ATEX Zone 2. Found insideThis fifth revised edition of the GHS contains various new or revised provisions concerning, inter alia, new hazard categories for chemically unstable gases and non-flammable aerosols; further rationalization of precautionary statements, ... The following hazardous materials carried in these quantity amounts will require an HM Safety Permit: Radioactive Materials: A highway route-controlled quantity of Class 7 material, as defined in 173.403 of 49 CFR. Mass fire, minor blast or fragment. Electrical equipment installation in atmosphere with flammable gases or vapors, flammable liquids, combustible dusts, ignitable fibers or flyings represents a risk for fire and explosion. (with the exception of wood dust, which is Class 2). (e.g., grain dust is a silo) Class III (Article 503): Easily ignitable fibers are present. It is an internationally accepted system that communicates using the minimum amount of markings the primary hazard associated with a . Division Probability of Hazardous Material; Division 1: The substance referred to by class has a high probability of producing an explosive or ignitable mixture due to it being present continuously, intermittently, or periodically or from the equipment itself under normal operating conditions. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected. Wiring requirements for the Class I, Zone system are found in 505.15. Placards are used to identify the class or division of a material. (b) Explosives in Class 1 are divided into six divisions as follows: (1) Division 1.1 consists of explosives that have a mass explosion hazard. Defined in 49 CFR 172.101 and 172, they include explosives, gases, flammable and combustible liquids, flammable solids, oxidizing substances, organic peroxides, toxic substances and infectious substances, radioactive materials, corrosives and miscellaneous hazardous materials. Group defines the type of the hazardous material in the surrounding atmosphere. Moderate . The label must otherwise conform to Subpart E of Part 172 [§172 . Atmosphere containing a flammable gas, a flammable liquid produced vapor or a combustible liquid-produced vapor whose MESG is greater than 0.75 mm or MIC ratio is greater than 0.40 and less than 0.80 - such as carbon monoxide, ether, hydrogen sulfide, morphline, cyclopropane, ethyl, isoprene, acetaldhyde and ethylene or gases of equivalent hazard. Division defines the probability of the hazardous material being present in an ignitable concentration in the surrounding atmosphere. Division 2.2: Non-Flammable, Non-Toxic Gases. Ex. Found insideHAZARD CLASSIFICATION LISTING The information in this listing is presented ... C. HAZARD CLASS / DIVISION AND STORAGE COMPATIBILITY GROUP ( HC / DIV SCG ) . Cargo aircraft . This first class is broken into 6 different divisions within itself. The frequency of occurrence determines the level of hazard for a location. Carbon dioxide, helium, refrigerated liquid nitrogen etc. The hazard class or division number must be displayed in the lower corner of a placard and is required for both primary and subsidiary hazard classes and divisions, if applicable. Consists of any material that is a gas at 68 degrees F or less at normal atmospheric pressure and has a boiling point of 68 degrees or less. The National Electric Cod (NEC) has a system to delineate areas by Class, Division, and Group, based on the specific nature of the . 33 Hazard Classes 331 Nine Classes. Groups E, F, and G are for dusts and flyings (Class II or III). Class 2 (Gases) Three divisions 2.1 -Flammable gas - Gas at 20 degrees C (68 degrees F) or less -- 101.3 kPa (14.7 psi) of pressure -- Is ignitable at 101.3 kPa (14.7 psi) when in a mixture of 13 percent or less by volume with Explosives that have a mass explosive hazard (Affecting almost the whole load instantaneously). This divition is comprised of articles that contain only extremely insensitive detonating substances and that demonstrate a negligible probability of initiation or propagation. 1.3. This table can be sorted by proper shipping name, UN/NA ID and/or by primary hazard class/division. Class I, Division 1 Class I, Division 2 Class II, Division 1 Class II, Division 2 Class III, Division 1 Class III, Division 2. In the US - since October 1, 2005, the U.S. has required a hazard class number displayed in the bottom corner of a subsidiary risk label. c. Route Plan. A hazard class is the category of hazard assigned to a hazardous material under the definitional criteria of 49 CFR Part 173 and the provisions of the HMT at §172.101. These items with an overriding predominant hazard (e. g. 2.2) will still display a Storage Compatibility Group ( SCG) code. Electrical equipment can and does cause fires and/or explosions in certain atmospheres. Class 5: Oxidizing Substances, Organic Peroxides. Special edition of the Federal Register, containing a codification of documents of general applicability and future effect ... with ancillaries. Class 2 - Gases (sub-divided into three divisions). ", en: hazardous areas classes divisions groups, es: áreas peligrosas clases de grupos de divisiones, de: Ex-Bereich Klassen Divisionen Gruppen. First responders in the U.S. are trained to help identify a hazardous material during the first 15 minutes of an incident, based on the U.S. DOT/ Pipeline and . 1.4S. Hazardous materials can be broken down into nine hazard classes. Nonmass explosion, fragment-producing. There are two different divisions that exist in Class I, Division 1 and Division 2, along with three Zones; Zone 0, 1 & 2. introduction of a new test for 1.4S classification • Field trials with typical .4S articles. The hazard class of dangerous goods/commodities is indicated either by its class (or division) number or name. Hazardous materials are classified according to their _________ _________? USDOT Hazardous Materials Table 49 CFR 172.101 An online version of the USDOT hazardous materials table from 49CFR 172.101. A mass explosion is one which affects almost the entire load instantaneously. 2, suggests that the hazardous material (gas/fluid/vapor) would only be present under abnormal . Ex. Compressed hydrogen, isobutane, methane and propane etc. Appendix C - Hazard Class 1 United Nations Identification Numbers, Proper Shipping Names, (b) Explosives in Class 1 are divided into six divisions as follows: (1) Division 1.1 consists of explosives that have a mass explosion hazard. Hazard description. The hazard class or division number must be displayed in the lower corner of a placard and is required for both primary and subsidiary hazard classes and divisions, if applicable. Only emails and answers are saved in our archive. The . The specific hazardous materials within each group and their automatic ignition temperatures can be found in Article 500 of the National Electrical Code and in NFPA 497. Atmosphere containing carbonaceous dusts, Atmosphere containing combustible dust not included in Group E & F - such as. Division 1.1 - Explosives which have a mass explosion hazard. Class 2 refers to what type of hazard(s)? What are the divisions for Class 3 hazards? Bulk. There are 6 sub-divisions: Division 1.1: Substances and articles which have a mass explosion hazard. ERG (Emergency Response Guidebook) Class 2: Gases. Because of rounding, estimates may not be additive] Atmospheres containing acetylene, hydrogen, carbon disulphide or gases and vapors of equivalent hazard. Pathogen- A virus or microorganism or a protenaceous infectious particle that has the potential to cause disease in humans or animals. Class 3 - Flammable Liquids. Hazard category means the division of criteria within each hazard class, e.g., acute toxicity and flammable liquids each include four hazard categories numbered from category 1 through category 4. Division 1.2 - Explosives which have a projection hazard but not a "mass" explosion hazard. An Explanation of USDOT's Hazard Class 9 Miscellaneous. Division 1.2: Explosives that have a projection hazard but not a mass explosion hazard. Hazard Classification Listing (HCL) by DODIC 1-153 . These categories . The nine hazard classes are as follows: Class 1: Explosives. Explosives: More than 25kg (55 pounds) of a Division 1.1, 1.2 or 1.3 material, or an amount of a Division 1.5 material requiring a placard under Part 172 Subpart F of 49 CFR. Found inside – Page 454There are nine categories of hazardous materials, and the hazard class of dangerous items is indicated either by its class/division number or by name, ... PG I=Great Danger PG II=Medium Danger PG III= Minor Danger, A or B inhalation hazard only (See D 2.3 for hazard zones). This first class is broken into 6 different divisions within itself. §172.101 HAZARDOUS MATERIALS TABLE §172101 Uakron.edu Show details . There are 9 hazard classes defined in the Regulations namely: Class 1 - Explosives (sub-divided into six divisions). DOT Hazard Class 3: Flammable liquids. Class 1: Explosives. Location where combustible dust is normally in suspension in the air in sufficient quantities to produce ignitable materials, or where mechanical failure or abnormal operation of . The hazardous area classification system determines required protection techniques and methods for electrical installations in the location. This Comitee approved a new test protocol (Test Series 71, which is described in ref [l]. Class 3 - Flammable Liquids. Moderate . Flammable gas. A mass explosion Zone 0 and Zone 1 classified locations further define the hazard by using phrases such as continuously present or most likely to exist. It is an internationally accepted system that communicates using the minimum amount of markings the primary hazard associated Division 1.2: Substances and articles which have a projection hazard but not a mass explosion hazard. Atmospheres containing ethylene, propylene oxide, ethylene oxide, butadiene, cyclopropane, ethyl ether, or gases and vapors of equivalent hazard. Detonation cord, flares, some fireworks etc. Ex. General Principles of Dangerous Goods Segregation These gases are known to ignite on contact with ignition sources. Ex. Hazard class/division. DOT defines a gas as a meterial that have a vapor pressure greater than 43.5 psi at 122 degrees F or is completly gaseous at 68 degrees Fat a standard pressure of 14.7 psi. Class II Division 2 is where the dust material is stored or handled other than in the process of manufacturing. Hazard Material Shipment Characteristics by Hazard Class Division and Mode of Transportation [Estimates are based on data from the 2002 Commodity Flow Survey. All hazardous materials subject to the regulations of the Pipeline and Hazardous Materials Safety Administration (PHMSA) within the USDOT must be classified as one or more of the nine hazard classes - or a division of a hazard class - identified at 49 . Ex. Class defines the general nature (or properties) of the hazardous material in the surrounding atmosphere. Found inside – Page 381Division 1 3-3 3-1 Ammunition and Explosives Facilities 3-4 3-4 Table 3-4.1 ... QUANTITY - DISTANCE Scope 5-1 5-1 Hazard Classes & Class Divisions 5-2 6-1 ... §177.839 - Class 8 (corrosive) materials §177.840 - Class 2 (gases) materials §177.841 - Division 6.1 and Division 2.3 materials Found inside – Page 12-27shipped as Q - D Hazard Class 1 , Division 5. They are stored as Class 1. Division 1 , Compatibility Group D. MASS FIRE HAZARD MATERIALS ( CLASS 1 ... Hazardous locations are broken down into three sections known as Classes: I, II, and III. Exception: ammonium nitrate (UN 1942) and ammonium nitrate fertilizer may be loaded or stored with Division 1.1 (Class A explosive) or Division 1.5 (blasting agents) materials. The substance referred to by class has a low probability of producing an explosive or ignitable mixture and is present only during abnormal conditions for a short period of time - such as a container failure or system breakdown. Division 1.2 - Explosives which have a projection hazard but not a "mass" explosion hazard. Hazard Class 1 due to an overriding predominant hazard of another class. The Zone system is based on Article 505/506 of the National Electrical Code (NEC) and follows the international method of area classification as developed by the International Electrotechnical Commission (IEC). The marking must be located on the address side of the mailpiece, not be . No other aspect of industrial safety receives more attention in the form of codes, standards, technical papers, and engineering design. • For classes 1,2,3,4,5,6, and 8, text indicating a hazard (e.g., "CORROSIVE") is NOT required on a primary or subsidiary label. Division 2 - Fragment Producing. Cookies are only used in the browser to improve user experience. Non-Explosive Items by DODIC 155-159 . The recognized acceptable wiring methods are included in 501.10, with (A) addressing Division 1 locations, and (B) addressing Division 2 locations. Definition. Otherwise, classes are identified as follows: Class I: Gasses, vapors, and liquids. These flammable materials may exist in concentrations . Table 4-1: DOT hazard classes designator, page11 Table 4-2: DOT hazard class 1 divisions, page11 Table 4-3: DOT Hazard class 2 thru 9 division, page11 Table 6-2: Fragment data requirements, page64 Table 6-1: Hemispherical TNT surface burst--peak pressure and positive impulse, page68 Table 8-1: Joint Hazard Classification System . An area where combustible dusts or ignitable fibers and flyings are likely to occur under normal operating conditions. Miscellaneous hazardous material A liquid or solid that causes visible destruction or irreversible alterations in human skin tissue at the site of contact, or a liquid that has a severe corrosion rate on steel or aluminum, refers to what type . A flammable liquid generally a liquid having a flash point of no more than 141 degrees F, or any material in a liquid state with a flash point at or above 100 degrees F that is intentionally heated and offered for transportation or transported at or above its flash point in a bulk packaging. Hazard Class 1 is composed of 6 divisions: Division 1 - Mass Explosion. No other aspect of industrial safety receives more attention in the form of codes, standards, technical papers, and engineering design. Aninile, arsenic, liquid tetraethyl lead. PHMSA's 2016 Emergency Response Guidebook provides first responders with a go-to manual to help quickly identify emergency response procedures to deal with hazmat transportation accidents during the critical first 30 minutes. Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! Appendix B - Storage Compatibility Group (SCG) Identification B1 . Definition. Found inside – Page M-415In studies PRIMARY HAZARD CLASS / DIVISION : 6.1 LIMITED QUANTITY : CARGO : 611 / 60 L with laboratory animals , carbofuran did not cause ADDITIONAL ... If you want to promote your products or services in the Engineering ToolBox - please use Google Adwords. The interest in Hazard Class/Division 1.5 within the Department of Defense (DOD) and the Department of Energy (DOE) dates back to the late 1970s. In Europe and the rest of the world - but also more and more in North America - the Zone system is used. Found insideThe second edition of a bestseller, Hazardous Materials Chemistry for Emergency Responders continues to provide the fundamentals of "street chemistry" required by emergency response personnel. Each Class's rating is dependent upon specific conditions which are further determined by divisions and groups. and Class IIIB - these liquids have flash points of 100 ºF (37.8 ºC) or more. Explosives, propellants, and systems fall under Class 1. Each division carries a specific hazard, with explosion being the number one or most significant. Atmospheres containing combustible flyings. Class 3: Flammable and Combustible Liquids. An external fire must not cause a virtually instantaneous explosion of almost the entire contents of the package. Used to indicate materials that should be kept away from food. 3234円 ディズニー ラグ ラグマット カーペット スミノエ Disney 使えるクーポン配布中 !【メーカー直送 代引不可】玄関マット 40cm×40cm DMT-4061 スミノエ ディズニー プリンセス シェルフィッシュマット 国産 防ダニ 滑り止め加工 Princess/Shellfish MAT 玄関マット キャラクター グッズ おうち時間 . Boiling liquid expanding vapor explosion (BLEVE), Non-flammable, Non-poisonous compressed gases. There are 6 sub-divisions: Division 1.3: Substances and articles which have a fire hazard and either a minor blast hazard or a minor projection hazard or both. Division 1.5: Very insensitive substances which have a mass explosion hazard. ***) (9) Quantity Limitations (see §§173.27 and 175.75) (10) Vessel stowage: Excep-tions. Prilled ammonium nitrate fertilizer/ fuel oil (ANFO) Mixtures and blasting agents. Article 505 National Electrical Code (NEC), Article 506 National Electrical Code (NEC). For definitions of these locations see 1926.449. Class I, Div. Ignitable concentrations of flammable gases or vapors which are not likely to occur under normal operating conditions and do so only for a short period of time. Explosives that present a minor explosion hazard. Found inside – Page 50The DOD hazard classification system is to be applied in the development ... The classes and divisions identify hazards and are used to determine the levels ... Division I: There is a high probability . Explosives that have a projection hazard but not a mass explosion hazard. Hazard Class/Division. DOT Hazard Class Information These are labels or placards that convey hazard information for containers or shipments of hazardous materials. NOTE: NO FURTHER DISCOUNT FOR THIS PRINT PRODUCT- OVERSTOCK SALE -Significantly reduced listprice The official Emergency Response Guidebook (ERG) is a guide for use by transporters, firefighters, police, and other emergency services ... UN hazard classes and Packing Groups. (2) Division 1.2 consists of explosives that have a projection hazard but not a mass explosion hazard. Wiring requirements within Class I hazardous areas using Division system are found in Part II of Article 501. The table below provides a comparison between the "Class, Division" System and the "Zone" System: Hazardous Material Class, Division System Zone System Gases or Vapors Division 1 Zone 0 and Zone 1 Division 2 Zone 2 . Prior to loading any Hazard Class/Division 1.1, 1.2, or 1.3 (Explosives) for shipment, ensure that the operator possesses a written route plan in accordance with 49 CFR Part 397. Hazard description. Class 2 - Gases (sub-divided into three divisions). Division 1.1: Explosives that have a mass explosion hazard. Hazard class/division. Class 1 refers to what type of hazard(s): Very insensitive explosives with mass explosion hazard, Extremely insensitive, no mass explosive hazard. Table 4-1: DOT hazard classes designator, page11 Table 4-2: DOT hazard class 1 divisions, page11 Table 4-3: DOT Hazard class 2 thru 9 division, page11 Table 6-2: Fragment data requirements, page64 Table 6-1: Hemispherical TNT surface burst--peak pressure and positive impulse, page68 Table 8-1: Joint Hazard Classification System . Classes indicate the type of hazardous substance that is or may be present in the air in quantities sufficient to produce explosive or ignitable mixtures. Found inside – Page 9-4Class Division Name of Class or Division Example 1 1.1 1.2 1.3 1.4 1.5 1.6 Mass Explosives Projection Hazards Mass Fire Hazards Minor Hazards Very ... Consists of any material that is a gas at 68 degrees F or less at normal atmospheric pressure and has a boiling point of 68 degrees or less. Determine the type of hazard or "class" that might be present—combustible gas (Class I), combustible dust (Class II), or fibers (Class III). NEC and UL segregate this hazardous location into two divisions. Dynamite, mines, watted mecury fulminate etc. Atmosphere containing flammable gas, flammable liquid produced vapor, or combustible liquid produced vapor mixed with air that may burn or explode, having either a MESG value greater than 0.75 mm or a MIC ratio greater than 0.80 - such as gasoline, acetone, ammonia, benzene, butane, ethanol, hexane, methanol, methane, vinyl chloride, natural gas, naphtha, propane or gases of equivalent hazard. Ex. Zone defines the general nature - if it is a gas or dust - and the probability of hazardous material being present in an ignitable concentration in the surrounding atmosphere. What is the hazard class and division (HC/D) and compatibility group for the material on this JHCS data sheet? Division 1.3 Explosives: Division 1.3 consists of explosives that have a fire hazard and either a minor blast hazard or a minor projection hazard or, both but not a mass explosion hazard. Extremely insensitive articles that do not have a mass explosion hazard. Atmospheres containing non-conductive dust. Determine the extent of the classified locations. 1.2. Class/Division Hazardous Location 33 Introduction A major safety concern in industrial plants is the occurrence of fires and explosions. A material that presents a hazard during transport, but that is not included in another hazard class. There are a number of hazards to be considered when using electrical equipment in areas where flammable, combustible, or explosive elements do (or might) exist. Does not fall into any other hazard class, Flash Point above 141 degrees F & below 200 degrees F, Flammable Solids, Spontaneously Combustible Materials, and Dangerous-when-wet Materials. (e.g., cotton fibers in a textile mill) Division defines the likelihood that a hazardous material may be present in sufficient quantities to ignite or explode. HCL by DODIC Notes 153-154 . Division 1.1 - Explosives which have a mass explosion hazard. An online version of the USDOT hazardous materials table from 49CFR 172.101. The handbook is based on DoD guidelines and Federal regulations, and the information provided is intended to reinforce and augment local instructions and training programs. Illustrations.