ASTM E479-91(2000) PDF

1.1 This standard is intended as a guide. It enumerates factors to be considered in preparing a definitive specification for maximum permissible gas leakage of a component, device, or system. The guide relates and provides examples of data for the preparation of leak testing specifications. It is primarily applicable for use in specifying halogen leak testing methods.

1.2 Two types of specifications are described:

1.2.1 Operational specifications (OS), and

1.2.2 Testing specifications (TS):

1.2.2.1 Total, and

1.2.2.2 Each leak.

1.3 This standard does not purport to address the safety problems 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.