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1.1 ,This practice covers procedures for testing and locating the sources of gas leaking at the rate of 1 ,×, ,10 −,8 Pa m3/s (1 ,×, ,10−,9 Std cm 3/s)3 or greater. The test may be conducted on any object to be tested that can be evacuated and to the other side of which helium or other tracer gas may be applied.