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Significance and Use
5.1 Regulations prescribing the test procedures for hazardous materials packaging allow for the substitution of non-hazardous fill materials for packaging performance tests with certain limitations prescribed and guidance offered [See: 49 CFR 178.602(c)]. This regulatory guidance has proven to be flexible enough, in common industry practice, to produce variations in the selection of fill materials for package performance tests sufficient to cause inconsistent and non-repeatable test results. This variation creates significant problems in product liability, packaging selection and regulatory enforcement in this highly regulated industry. Use of this guide should enhance uniformity in test procedures.
5.2 Consistent and repeatable test results coupled with clear test fill product descriptions will enhance transportation safety by simplifying packaging selection. This will also increase the general level of confidence that package testing, manufacture and use are being guided by sound, generally accepted engineering principles. It also aids in clarifying expectations between the packaging industry and the regulatory authorities.
5.3 The guide will be used by packaging manufacturers, and packaging test labs to create packaging test plans that meet customer needs and conform to the HMR under the widest possible situational circumstances. In addition, for the user of a packaging, certain information about the type and physical characteristics of the material used to test the packaging must be available in the test report and/or notification instruction to allow them to evaluate whether a particular packaging was tested with a substitute material appropriate for the hazardous material to be shipped.
1.1 The purpose of this guide is to clarify the selection, use and description criteria of non-hazardous liquid substitutes used to replace hazardous materials for the purpose of performance testing packagings. This includes identification of the physical parameters of substitute non-hazardous liquid test fill materials that may affect packaging performance and test results and should be considered when selecting and describing a test fill material that conforms to the requirements of the Hazardous Materials Regulations (HMR).
1.2 This guide provides information to assist packaging users, manufacturers, and performance testing service suppliers regarding the types of physical properties that should be considered when selecting substitute filling substances for the testing, certification and manufacture of packagings under the United Nations packaging protocols (UN Recommendations on the Transport of Dangerous Goods-Model Regulations) as adopted by US DOT in 49 CFR HMR.
1.3 This guide provides the suggested minimum information concerning the physical characteristics of the filling substances that should be documented in the certification test report and notification to users to allow for test repeatability and analysis, and to provide guidance to the user of a packaging of pertinent physical differences between potential hazardous lading and the filling substance with which the packaging was tested.
1.4 This guide does not purport to address regulatory requirements regarding the compatibility of filling substances with transport packagings. Compatibility requirements must be assessed separately, but it should be noted that under certain national and international dangerous goods regulations, the selection of the filling substances for package performance testing may be prescribed with respect to chemical compatibility requirements.
1.5 The units of measurement are consistent with the HMR.
1.6 When testing packaging designs intended for hazardous materials (dangerous goods), the user of this guide shall be trained in accordance with 49 CFR §172.700 and other applicable hazardous materials regulations such as the ICAO Technical Instructions, IMDG Code, other applicable national or international dangerous goods regulations that govern the testing, manufacture and use of packagings authorized for the transportation of Dangerous Goods, and carrier rules such as the IATA Dangerous Goods Regulations.
1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D445 Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
D891 Test Methods for Specific Gravity, Apparent, of Liquid Industrial Chemicals
D1200 Test Method for Viscosity by Ford Viscosity Cup
D4359 Test Method for Determining Whether a Material Is a Liquid or a Solid
International Air Transport Association (IATA) StandardIATA International Air Transport Association (IATA) Dangerous Goods Regulations Available from the International Air Transport Association (IATA), 800 Place Victoria PO Box 113 Montreal - H4Z 1M1 Quebec - 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 Street, Montral, Quebec H3C 5H7, Canada (website: http://www.icao.org/).
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).
IMDG StandardInternationalMaritim (IMDG Code) Available from the International Marine Organization (IMO, 4 Albert Embankment, London, SE1 7SR United Kingdom (website: http://www.imo.org/).
Federal StandardU.S.DepartmentofTran Transportation (49 CFR) Parts 100-199 Available from Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402-9371 (website: phmsa.dot.gov/hazmat).
ICS Number Code 13.020.60 (Product life-cycles); 13.300 (Protection against dangerous goods); 55.040 (Packaging materials and accessories)