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Significance and Use
Dangerous goods (hazardous materials) regulations require performance tests to be conducted on packaging designs before being authorized for use. The regulations do not include standardized procedures for conducting performance tests and, because of this, may result in a non-uniform approach and differences in test results between testing facilities.
The purpose of this guide is to provide guidance and to establish a set of common practices for conducting internal pressure tests on packagings under going UN certification testing or packagings required to meet pressure capability requirements. For more information on the UN certification requirements, refer to Guide D4919.
1.1 This guide is intended to provide a standardized method and a set of basic instructions for performing internal and hydrostatic pressure testing on packaging designs.
1.2 This guide provides information to help clarify various terms used as part of the United Nations (UN) certification process that may assist in determining the applicable test.
1.3 This guide provides the suggested minimum information that should be documented when conducting pressure testing.
1.4 This guide provides information for recommended equipment and fittings for conducting pressure tests.
1.5 This guide is based on the current information contained in 49 CFR, §173.27 and §178.605.
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, and carrier rules such as the IATA Dangerous Goods Regulations.
1.7 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.8 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.
D4919 Guide for Testing of Hazardous Materials Packagings
D4991 Test Method for Leakage Testing of Empty Rigid Containers by Vacuum Method
Federal Standard49CFR U.S. Department of Transportation Code of Federal Regulations Title 49, Transportation Parts 100-185
IATA StandardIATA Dangerous Goods Regulations
ICAO StandardICAO Technical Instructions for the Safe Transport of Dangerous Goods by Air
IMDG StandardIMDGCode International Maritime Dangerous Goods Code
UN StandardUN United Nations Recommendations on the Transport of Dangerous Goods, Model Regulations
ICS Number Code 55.040 (Packaging materials and accessories)