equipment will lead to systems that can detect and characterize each different type of defect. ... Experience has shown that manual IE testing is most sensitive to defects near the inner diameter (ID), and is prone to missing defects near the OD.
|Title||:||Nondestructive, Noninvasive Assessment of Underground Pipelines|
|Author||:||Michael Dingus, Jennifer Haven, Russell Austin, AWWA Research Foundation|
|Publisher||:||American Water Works Association - 2002|