1.1 The objective of this test method is to determine the carbon dioxide (CO₂) loss from plastic beverage containers after a specified period of storage time.

1.2 Factors contributing to this pressure loss are volume expansion and the gas transport characteristics of the package including permeation and leakage.

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