Centra Pipelines Minnesota Inc.

Second Revised Volume No. 2

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Effective Date: 10/16/1991, Docket: RP91-136-002, Status: Effective

Original Sheet No. 20 Original Sheet No. 20 : Effective


(a) The unit of volume, for the purpose of measurement, shall


be one (1) cubic foot of gas.



(b) The total heating value of the gas per cubic foot shall be


determined by an instrument of stamdard manufacture,


installed at an appropriate location, which measures the


heating value of the gas being delivered, or, if not installed


or operative, by sampling the gas at intervals of not more


than one (1) month. Such gas samples shall originate from


the gas stream from which gas is being received at Emerson,





(c) The temperature of the gas passing through the meters shall


be determined by the use of an instrument of standard


manufacture so installed that it may properly record the


temperature of the gas flowing through the meters. The


temperature recorded during the period of time gas is


passing through the meter shall be used in computing gas





(d) The specific gravity of the gas shall be determined by an


instrument of standard manufacture, either installed at an


appropriate location and which measures the specific gravity