Southern Star Central Gas Pipeline, Inc.

Original Volume No. 1

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Effective Date: 07/10/2009, Docket: RP09-758-000, Status: Effective

First Revised Sheet No. 274 First Revised Sheet No. 274

Superseding: Original Sheet No. 274







(d) It is assumed and agreed that the atmospheric pressure generally

is as follows:


Atmospheric Pressure

Area (PSIA)

__________________________ ____________________

Oklahoma & Texas Panhandle 13.2


Kansas Hugoton 13.2


Colorado 12.8


Wyoming 11.5


All Other Areas 14.4


(e) The temperature of the gas shall be determined by means of

continuously recording thermometers unless it is mutually agreed

to use a 60 degree Fahrenheit flowing temperature. The average

flowing temperatures, recorded to the nearest one degree

Fahrenheit during each day, shall be deemed the daily gas

temperature and shall be used in computing the daily gas received

or delivered hereunder.


(f) Relative density (specific gravity) determinations for the purpose

of measurement computations shall be made upon initiation of

receipts or deliveries hereunder, and as often thereafter as found

necessary in practice, in accordance with a method accepted in the

industry, and these determinations so made shall be used in

calculating the volume of gas received or delivered hereunder.


(g) For gas received or delivered hereunder, the heating value of the

gas in BTU's per cubic foot shall be determined by an on-line

chromatograph or other method as may be mutually agreed upon. If

mutually agreed, continuous gas samplers and spot samples may also

be used to obtain gas for analysis. The arithmetic average of the

hourly heating value determined during periods of flow each day by

an on-line chromatograph or recording calorimeter will be the

heating value of the gas during such day.