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Significance and Use
4.1 The purpose of this guide is to provide direction for uniform conditioning methodology when conducting special preparations of plastic packagings as prescribed for conducting United Nations (UN) drop test. This guide provides a uniform approach for conditioning of plastic packaging intended for liquid hazardous materials (dangerous goods).
4.2 The hazardous materials (dangerous goods) regulations certification process requires that plastic packagings undergo special preparations before performing the UN drop test. The regulations do not include uniform procedures for conducting special preparations. Non-uniform procedures allow for differences in methods between test facilities which may result in different test results.
4.3 The UN Orange Book and 49 CFR 178.603(c) state that drop testing conditioning is required for all plastic drums, plastic jerricans, plastic boxes (other than expanded polystyrene boxes), composite packagings (plastic material), and combination packagings with plastic inner packagings (other than plastic bags intended to contain solids or articles). It further states that drop testing shall be conducted when the temperature of the test sample (packagings and contents) has been reduced to –18°C or lower. Test liquids shall be kept in the liquid state, if necessary, by the addition of antifreeze. Water/antifreeze solutions with a minimum 0.95 specific gravity for testing at –18°C or lower are considered acceptable test liquids.
4.5 This guide provides additional information not in the regulations that will facilitate consistent test sample conditioning among test facilities. The information and guidance provided here are intended to meet or exceed the minimum requirements of the regulations.
4.6 For more information on the UN certification tests, refer to Guide D4919.
1.2 This guide provides guidance on conditioning test samples for drop testing plastic packaging intended for liquid hazardous materials (dangerous goods) as required by 49 CFR §178.603(c)(1) and §178.810(b)(4). This guide also provides the minimum information that should be documented when conducting special preparation conditioning.
1.3 The user of this guide shall be trained in accordance with 49 CFR §172.700 and other applicable hazardous materials regulations including: the International Civil Aviation Organization (ICAO) Technical Instructions for the Safe Transport of Dangerous Goods by Air, the International Maritime Dangerous Goods Code (IMDG Code), and carrier rules such as the International Air Transport Association (IATA) Dangerous Goods Regulations.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D4332 Practice for Conditioning Containers, Packages, or Packaging Components for Testing
D4919 Guide for Testing of Hazardous Materials Packagings
Federal StandardU.S.DepartmentofTran Parts 100-185 Available from Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402-9371 (website: phmsa.dot.gov/hazmat).
UN StandardUnitedNationsRecomme Model Regulations (UN Orange Book) Available from the UN Economic Commission for Europe, Information Service, Palais des Nations, CH-1211 Geneva 10 Switzerland (website: http://www.unece.org/trans/danger/danger.htm).
IATA StandardInternationalAirTran Dangerous Goods Regulations Available from the International Air Transport Association (IATA), 800 Place Victoria, PO Box 113, Montreal, Quebec H4Z 1M1 Canada (website: http://www.iata.org).
ICAO StandardInternationalCivilAv Technical Instructions for the Safe Transport of Dangerous Goods by Air Available from the International Civil Aviation Organization, (ICAO), 999 University St., Montreal, Quebec H3C 5H7 Canada (website: http://www.icao.org).
IMDG StandardInternationalMaritim Available from the International Marine Organization (IMO), 4 Albert Embankment, London, SE1 7SR United Kingdom (website: http://www.imo.org).
ICS Number Code 55.020 (Packaging and distibution of goods in general)
UNSPSC Code 24121800(Packaging cans)