Destin Pipeline Company, L.L.C.

Original Volume No. 1

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Effective Date: 09/01/1998, Docket: CP96-655-004, Status: Effective

Substitute Original Sheet No. 55 Substitute Original Sheet No. 55 : Effective

GENERAL TERMS AND CONDITIONS

(Continued)

Section 4.2(d) (continued)

temperature from 60º F. The flowing temperature will be

measured by RTD'S, thermocouples, thermometers, or any other

temperature measuring device mutually agreed upon by COMPANY

and SHIPPER and shall be either: (1) recorded using digital

recorders or any other recording device as may be mutually

agreed upon by COMPANY and SHIPPER, in which case the

temperature at which gas was measured for the period of such

record shall be the arithmetic average of the record during

the period of time which gas was flowing, or (2) recorded by

on-site flow computers and used for on-site flow computations,

in which case the instantaneous measurement of temperature

will be used in such computations. Where no temperature

measuring device is installed, the temperature of the gas

shall be assumed to be 60º F.

(e) The specific gravity required for energy flow

calculations shall be determined at an appropriate location, the site of

which shall be determined by COMPANY by a chromatograph or

other device of standard manufacture.

4.3 Measurement of Heating Value

The gross heating value shall be determined at an appropriate

location, the site of which shall be determined by COMPANY utilizing a

chromatograph or other equivalent device of standard manufacture. If

a gross heating value measuring device is not installed, then the

gross heating value shall be determined at least quarterly by gas

sample analysis utilizing a chromatograph or other equivalent device

of standard manufacture.