Some hazardous materials are determined by the US DOT to pose too great a risk for some modes of transportation: passenger air/rail or cargo air; and others are banned from transportation in commerce altogether, these are the Forbidden Materials. How many different type placards are there showing dot specifications? The colors of these diamonds indicate the type of hazard. - Class 9 Miscellaneous dangerous substances and articles with UN No. Listed below is a brief guide to hazard classifications. Responding is Robert Ernst, editor - workplace safety, J. J. Keller & Associates Inc., Neenah, WI. Which one must appear first on the shipping paper? 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Class 1 contains substances and articles which pose a hazard due to explosion. If you work for a Federal agency, use this drafting Navigate by entering citations or phrases Class 7 contains substances and articles that are radioactive, meaning that they contain radionuclides where both the activity concentration and the total activity exceed certain threshold values defined in the regulations. Please do not provide confidential full text search results 1. The Office of the Federal Register publishes documents on behalf of Federal agencies but does not have any authority over their programs. The hazard class of a hazardous material is indicated by either the class or division number or the class name. Background and more details are available in the The number following this name, "3," indicates that it is hazard . 1 Packages with a material (not classified as explosive) that will detonate in a fire. Radioactive. However, this information is not complete and should not be regarded as a replacement for a certified and licensed professional. For transport solely within the Federal Republic of Germany with the exception of UN No. Class 5.2 organic peroxides and highly pyrophoric class 4.2 goods are highly reactive. citations and headings Organization and Purpose (ii) 2 means any combination of explosives from compatibility groups C, D, or E is assigned to compatibility group E. (iii) 3 means any combination of explosives from compatibility groups C, D, or E with those in compatibility group N is assigned to compatibility group D. (iv) 4 means see 177.835(g) when transporting detonators. Loaded in an upright or horizontal position. Class 5.2 organic peroxides and highly pyrophoric class 4.2 goods are highly reactive. In boxes that will keep them from turning over read more. 454 kg (1001 lbs) or more gross weight of a corrosive material. (2) The letter X in the table indicates that explosives of different compatibility groups may not be carried on the same transport vehicle. (3) The letter O in the table indicates that these materials may not be loaded, transported, or stored together in the same transport vehicle or storage facility during the course of transportation unless separated in a manner that, in the event of leakage from packages under conditions normally incident to transportation, commingling of hazardous materials would not occur. You can find more information in our Terms and conditions, where you can also revoke your consent at any time. (a) This section applies to materials which meet one or more of the hazard classes defined in this subchapter and are: (1) In packages that must be labeled or placarded in accordance with part 172 of this subchapter; (2) In a compartment within a multi-compartmented cargo tank subject to the restrictions in 173.33 of this subchapter; or. (e) lnstructions for using the segregation table for hazardous materials are as follows: (1) The absence of any hazard class or division or a blank space in the table indicates that no restrictions apply. 49 U.S.C. This web site is designed for the current versions of Have you ever seen a truck, railcar, container or large tanks at a tank farm and wondered what types of chemicals it was transporting or storing? 5101-5128, 44701; 49 CFR 1.81, 1.96 and 1.97. The eCFR is displayed with paragraphs split and indented to follow The safety data sheet lists the materials that are compatible or incompatible with each other. Items in Class 1 are further divided into divisions 1.1 - 1.6 depending on the nature of the explosion hazard and the sensitivity of the item. A separate drafting site This website uses cookies in order to provide the best user experience. Hypochlorous Acid Handling Design, Loading, and Installation. You are using an unsupported browser. Subscribe to Free Newsletter This web site is designed for the current versions of When it comes to identifying a material as hazardous, its important to understand what classification it falls into. What are the 4 Hazard Classes? It is a colorless, mobile, flammable liquid, and is the simplest ketone. (v) 5 means Division 1.4S fireworks may not be loaded on the same transport vehicle with Division 1.1 or 1.2 (explosive) materials. Placard the vehicle with both the poison and the hazard class placard. site when drafting amendatory language for Federal regulations: If you would like to comment on the current content, please use the 'Content Feedback' button below for instructions on contacting the issuing agency. This includes substances which only form a corrosive substance in the presence of water, or produce corrosive vapour in the presence of moisture in the air. (X): These materials may not be loaded, transported, or stored together in the same transport vehicle or storage facility during the course of transportation. If C lass 4.2 and C lass 3 dangerous goods must kept in the same store, they must be segregated by a distance of at least 5 metres. Loaded into racks attached to the vehicle We pride ourselves on one-on-one customer service. There are three lists that drivers, shippers and carriers use to find out if a material is regulated as hazardous. 2908 to UN No. Forbidden (9B) Cargo aircraft only: Forbidden (10) Vessel stowage . Any other hazardous material will bring you to those results. (4) The * in the table indicates that segregation among different Class 1 (explosive) materials is governed by the compatibility table in paragraph (f) of this section. A lighter as defined at 171.8 containing a Division 2.1 Flammable Gas or Class 3 Flammable Liquid unless it is of a design that is allowed by regulation or by the US DOT [173.21(i)]. If you have comments or suggestions on how to improve the www.ecfr.gov website or have questions about using www.ecfr.gov, please choose the 'Website Feedback' button below. 112 of Pub. (O): These materials may not be loaded, transported, or stored together in the same transport vehicle or storage facility during the course of transportation unless separated from each other (Usually >=3 meters). "Published Edition". Notwithstanding the methods of separation employed, Class 8 (corrosive) liquids may not be loaded above or adjacent to Class 4 (flammable) or Class 5 (oxidizing) materials; except that shippers may load truckload shipments of such materials together when it is known that the mixture of contents would not cause a fire or a dangerous evolution of heat or gas. It is essential to classify dangerous goods correctly so that the hazard(s) posed are communicated through the transport chain. EXPLOSIVES (WITH A MASS EXPLOSION HAZARD), EXPLOSIVES (WITH PREDOMINATELY A FIRE HAZARD), EXPLOSIVES (WITH NO SIGNIFICANT BLAST HAZARD), VERY INSENSITIVE EXPLOSIVES; BLASTING AGENTS, EXTREMELY INSENSITIVE DETONATING SUBSTANCES. The name of the vehicle, the destination, and the hazard classes of the contents must all be noted. Another reason why hazardous materials should not be transported together is that they can harm people, other living organisms, and the environment. However, there are some exceptions. (1) The absence of any hazard class or division or a blank space in the table indicates that no restrictions apply. Class 6.2. The in-page Table of Contents is available only when multiple sections are being viewed. We recommend you directly contact the agency responsible for the content in question. "Published Edition". (Blank): The absence of any hazard class or division or a blank space in the table indicates that no restrictions apply. 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