Carnegie Interstate Pipeline Company

Original Volume No. 1

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Effective Date: 01/01/1995, Docket: CP93-552-005, Status: Effective

Sub Original Sheet No. 51 Sub Original Sheet No. 51 : Effective

Superseding: Original Sheet No. 51

GENERAL TERMS AND CONDITIONS

(Continued)

5.1 (Continued)

(c) The unit of weight for the purpose of

measurement shall be one (1) pound mass of gas.

(d) The average absolute atmospheric

pressure shall be assumed to be 14.4 pounds per

square inch.

(e) The temperature of the gas passing

through the meters shall be determined by the

continuous use of a recording thermometer or

other temperature measuring device. The

arithmetic average of the temperature recorded

each chart period shall be used in computing gas

volumes or continuous instantaneous temperature

measurements may be applied to metering

instruments to provide the volume computation.

In the absence of a recording thermometer or

other temperature measuring device, an assumed

flowing temperature of 60ø Fahrenheit shall be

used.

(f) The specific gravity of the gas

delivered hereunder shall be determined by

approved methods at the beginning of delivery of

gas and with such reasonable frequency

thereafter as is found expedient in practice but

not less frequently than once each year, and

such determinations shall be used in computing

the volume of gas delivered.

(g) When orifice meters are used, the

computation of quantities of gas delivered shall

be in accordance with the recommendations as

published by the American Gas Association's

Report No. 3, Revised - 1969, and any subsequent

amendments thereof as may be mutually agreed

upon by Customer and CIPCO.

(h) The heating value shall be measured as

agreed to by the parties concerned by a heating

value measuring device or method agreed upon by

Customer and CIPCO.

(i) Deviation from Boyle's law shall be

determined by tests, or computed by approved

methods, based upon the composition of the gas

and conditions at the point of measurement, with

such reasonable frequency as shall be deemed

necessary.