July 2016 SPRAY 43 The hazard class should include the class and division for the primary and subsidiary risks associated with the material. Subsidiary risks should be shown in parentheses following the primary hazard class (e.g., 2.3 (5.1, 8)). Compatibility group letters should follow the class and division for explosives (e.g., 1.4G). One may use the word CLASS in association with the class (e.g., CLASS 3). The identification number must be preceded with the letters UN, NA or ID, as appropriate (e.g., UN1090, NA1993, ID8000) The Packing Group should be shown (when applicable) in Roman numerals (e.g., I, II or III). One may use the abbreviation PG to represent the words Packing Group (e.g., PGIII). Mass & Volume Except for transportation by aircraft, the total quantity of hazardous materials covered by the description must be indicated (by mass or volume, or by activity for Class Seven materials) and must include an indication of the applicable unit of measurement. For example: • 200kg (440 lbs.) or • 50L (13 gallons) For Class One materials, the quantity must be the net explosive weight (NEW). For an explosive that is an article, such as Cartridges, Small Arms, the net explosive weight may be expressed in terms of the net mass of either the article or the explosive materials contained in the article. For transportation by aircraft, the total net mass per package must be shown unless a gross mass is indicated in Columns (9A) or (9B) of the §172.101 HMT, or in columns (J) or (L) of the IATA DGL, in which case the total gross mass per package must be shown. For example: • 1 FIBERBOARD BOX x 5.0 L; or • 1 FIBERBOARD BOX x 25.0 kg G Note: It is important that one consider using the SI (metric) units of measure for international air and ocean transportation, and use the same units of measure that are referred to in the dangerous goods list. Generally, liquids are measured in liters (L) or milliliters (mL); solids in kilograms (kg) or grams (g); and gases in kilograms (kg) or grams (g) in the international system. Note: It is also important to note that beginning July 1, 2016, one must provide a Verified Gross Mass (VGM) for all ocean shipments. The verification of the gross mass of a packed container may be achieved by either of two methods: • Weighing the packed container using calibrated and certified equipment; or • Weighing all packages and cargo items, including the mass of pallets, dunnage and other securing material to be packed in the container and adding the tare mass of the container to the sum of the single masses, using a certified method approved by the competent authority of the State in which packing of the container was completed. SPRAY Part 2 will appear in the August 2016 issue.
Spray July 2016
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