Module 1: Regulations - International Association of Fire Fighters

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IAFF Training for Hazardous Materials: Technician© Student Text Every container intended to house a liquid must be performance tested. In the above example, the container is intended to house a liquid, in fact the maximum specific gravity associated with the liquid is 1.4 gm/cm 3 . In addition, the container was tested in the leakproof test under 160 kpscal of pressure. Part 5 through 7 Box 5 - The year of manufacture is listed in box 5. Appearing in box 5 will be the last two digits associated with the calendar year in which the container was made. Box 6 - Box 7 - The symbol for the country where the container was manufactured will be listed in box 6. American manufactured UN containers will have a USA in box 6. The last standard part of the UN marking will be the name of the manufacturer’s name or registered symbol (U.S. DOT registered). Part 8 A thickness will be included in the marking only if the container may be re-used. If a thickness (in mm) does not appear as the last part of the marking then the container is a single use container. The container must never be retested for reuse. If the thickness exceeds 8 mm, then the container can only be reused after retesting. Send the DOT empty container to an approved re-conditioner, who will restamp the container once the performance retest has been completed. Example of a UN Code Package intended for solid material U N 1AH2 Y 145 S 92 USA VL 6mm 824 1-54 Module 1: Regulations
Student Text IAFF Training for Hazardous Materials: Technician© Package intended for a liquid material U 1AH2 Y 1.4 92 USA VL 6mm Re-tested package label 10-93 USA VL824 RL DOT Load Segregation DOT outlines specific segregation and separation requirements for hazardous materials shipments. The segregation table on the next page will help you determine the relative compatibility of materials during a hazardous materials incident. This does not show the hazards of chemicals mixing or the resultant product of the mix. Extreme caution should be exercised when chemicals mix. Activity Module 1: Regulations 1-55
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Module 1: Regulations - International Association of Fire Fighters

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