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Title: Determination Of Leakage And Unaccounted-For Gas
Author: Richard m. Nicholson
Source: 1962 Southwestern Gas Measurement Short Course (Now called ISHM)
Year Published: 1962
Abstract: Leakage and unaccounted for gas is a subject that all gas companies should make every effort to control, as it not only effects the profit of operation, but also places the company in a potentially hazardous position. Unaccounted for gas, as you all know, is that difference between the volume of gas purchased and the volume of gas sold by your company during some definite accounting period. The causes of this difference are very numerous, but are composed mainly of used unmetered gas, errors in measurement, differences created by billing lag, and the actual loss through leakage.