ASTM E432-91(2017)e1

1.1This guide2 is intended to assist in the selection of a leak testing method.3Fig. 1 is supplied as a simplified guide.

1.2The type of item to be tested or the test system and the method considered for either leak measurement or location are related in the order of increasing sensitivity.

1.3This 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.

1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.