Division 4.2.3 Leak-Before-Break (LBB) performance test Original text. Later amendments are not shown. 4.2.3.1Sampling 4.2.3.2Procedure 4.2.3.3Requirement 4.2.3.4Results ← Division 4.2.2.4 Division 4.2.3 Division 4.2.3.1 →