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Title: Verifying Effectiveness Of The Leakage Search
Author: Marshall B. Anderson
Source: American Gas Association 1983
Year Published: 1983
Abstract: The bottom line of any leakage survey program is public safety. This has been and continues to be our primary concern. Recently, another important issue has impacted our survey program: the control of leakage loss due to the significant rise in the cost of gas. As we establish survey intervals, federal and state rules are not the only criteria we must consider economics. This year we have shortened our maximum survey interval, primarily as a conservation measure, additionally safety oriented. In recent years more and more emphasis has been placed on increasing survey effectiveness. Although our safety record was indicative of an effective survey program, it did not measure survey quality. It was felt that a significant number of leaks were not being detected. The hydrogen flame ionization detector became the standard survey instrument. These units, with their extreme sensitivity, led to a more comprehensive training program, including classroom and field applications. A quality program was initiated consisting of two separate functions: one, a self audit program conducted by each operating division, the second, a centralized quality index program conducted by Distribution Department staff.

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