U S G Pipeline Company

ORIGINAL VOLUME NO. 1

Effective Date: 09/01/2005, Docket: RP05-412-000, Status: Effective

First Revised Sheet No. 18 First Revised Sheet No. 18 : Effective

Superseding: Original Sheet No. 18

GENERAL TERMS AND CONDITIONS

1. DEFINITION OF TERMS

The following terms when used in this Tariff and in any service agreement

shall be construed to have the following meanings:

1.1 The term "Bidder" shall mean any person that submits a bid for

released transportation capacity pursuant to the terms of Section 11

of Transporter's General Terms and Conditions.

1.2 The term "British thermal unit" or "Btu" shall mean the amount of

heat required to raise the temperature of one pound of water one

degree Fahrenheit at a standard pressure of 14.73 dry psia at 60

degrees Fahrenheit (101.325 kPa and 15 degrees C, and dry). (The

reporting basis for gigacalorie is 1.035646 Kg/cm and 15.6 degrees C

and dry.)

1.3 The term "Business Day" shall mean Monday through Friday, excluding

Federal Banking Holidays for transactions in the U.S., and similar

holidays for transactions occurring in Canada and Mexico.

1.4 The term "Central Clock Time" and "CCT" shall mean Central Daylight

Time when daylight savings time is in effect and Central Standard

Time when daylight savings time is not in effect.

1.5 The term "Confirmation" shall mean a communication that reflects the

quantity of gas to be received or delivered on behalf of each Shipper

at a receipt or delivery point.

1.6 The term "cubic foot" shall mean the volume of gas that occupies one

cubic foot when such gas is at a temperature of 60 degrees

Fahrenheit, and at a pressure of 0.33 pounds per square inch above an

assumed atmospheric pressure of 14.4 pounds per square inch (14.73

pounds per square inch absolute (psia)) and dry. For gas volumes

reported in cubic meters, the standard conditions are 101.325 kPa, 15

degrees C, and dry.

1.7 The term "Daily Limit" shall mean the quantity specified in an

Operational Flow Order at a receipt or delivery point.

1.7a Daily Allocation: the term used to describe the process where the

allocating party performs the allocation process following each gas

day. NAESB Definition 2.2.5.