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Standards for multimodal tank-containers, test procedures and certification.

Standards for packaging, test procedures, and certification.

Consignment procedures such as labelling, marking, and transport documents.

A list of the most commonly carried dangerous goods, their identification and their classification.

The UN Recommendations on the Transport of Dangerous Goods addresses the following areas: We've got your DOT number at Safety Emporium with DOT placards, NFPA labels and more! Hazardous Materials Regulations (see our entry on DOT). The UN Recommendations are also used as a basis for the development of regional (e.g., NAFTA and European Road and Rail regulations) and national transport regulations, including the U.S.

These recommendations serve as the basis for national, regional, and international transport regulations such as those prepared by the International Maritime Organization (IMO) and the International Civil Aviation Organization (ICAO). These recommendations are reviewed, amended and updated biennially (every second year) by the UN COE and are distributed to nations throughout the world. UN Recommendations are not regulations, but are recommendations addressing the international transport of dangerous goods by sea, air, road, rail and inland waterways. UN numbers are assigned by a committee of the United Nations, the Economic and Social Council (ECOSOC) Committee of Experts (COE) on the Transport of Dangerous Goods which issues "Recommendations on the Transport of Dangerous Goods" (also called "the Orange Book"). You have probably seen placards (such as the one on the right) that bear a UN/NA number on railway cars, trucks, shipping containers etc. UN/NA numbers are required for the shipment of hazardous materials. If a material does not have a UN number, it may be assigned an NA number these are usually 4-digit numbers starting with 8 or 9 such as 9037 (or ideally, NA9037), the NA number for hexachloroethane. North American (NA) Numbers are identical to UN numbers. These numbers generally range between 00 and are ideally preceded by the letters "UN" (for example, "UN1005") to avoid confusion with other number codes. United Nations (UN) Numbers are four-digit numbers used world-wide in international commerce and transportation to identify hazardous chemicals or classes of hazardous materials. Understand your MSDS with the MS-Demystifier Find all of your laboratory and workplace safety supplies at Safety Emporium!