Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

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Effective Date: 09/01/2005, Docket: RP05-513-000, Status: Effective

First Revised Sheet No. 313 First Revised Sheet No. 313 : Effective

Superseding: Original Sheet No. 313






Gross Heating Value shall mean the number of British Thermal Units

produced by the combustion at constant pressure of the amount of

dry Gas which would occupy a volume of one cubic foot at a

temperature of sixty degrees (60) Fahrenheit and under an absolute

pressure of 14.73 pounds per square inch with air of the same

temperature and pressure as the Gas, when the products of

combustion are cooled to the initial temperature of Gas and air,

and when the water formed by combustion is condensed to the liquid



GSR Index Price. See Section 23.2(a).


Hour shall mean a period of sixty consecutive minutes beginning at

the top of the hour, e.g., 9:00, or such other time mutually

acceptable to Transporter and Shipper.


Imbalance shall mean the difference in the Dth or quantity of Gas

which Shipper receives at the Point(s) of Delivery and the Dth or

quantity of Gas which Transporter receives for the account of

Shipper at the Point(s) of Receipt (exclusive of the quantity

received as Storage Fuel Use and LUFG, if any, and Fuel Use and

LUFG) at any time or during any given period under a Service



Index Price shall mean the highest arithmetic average of Daily

Index Prices for a week or month for a given Month, for gas

delivered at the applicable point or for the Pooling Area or

geographic area which most closely approximates the applicable

point or Pooling Area (if spot prices are quoted for Transporter's

Pooling Areas or other geographic designations) in which the

applicable activity occurred.


Injection Period. See Section 7 of Rate Schedule FSS.