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standard by ASTM International, 12/10/1996
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1.1 Test Method A, Pressurization- This test method covers procedures for calibration of ultrasonic instruments, location, and estimated measurements of gas leakage to atmosphere by the airborn ultrasonic technique.
1.2 In general practice this should be limited to leaks producing leakage of 4.5 X 10 -7 m /s (10 atm[dot]cm /s at 0