Valero Interstate Transmission Company

First Revised Volume No. 1

Effective Date: 11/01/1991, Docket: GT91- 42-000, Status: Effective

Original Sheet No. 52 Original Sheet No. 52 : Superseded

GENERAL TERMS AND CONDITIONS

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1. DEFINITIONS

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For the purposes of this tariff, unless the context hereof specifies

otherwise, the following words and/or terms are defined:

a. The term "day" shall mean a period of twenty-four (24) consecutive

hours beginning and ending at 7:00 a.m., Central Standard Time.

b. The term "month" shall mean a period of time beginning at 7:00

a.m., Central Standard Time, on the first day of a calendar month

and ending at 7:00 a.m., Central Standard Time, on the first day

of the next succeeding calendar month.

c. The term "contract year" shall mean a period of twelve (12) con-

secutive months beginning at 7:00 a.m., Central Standard Time, on

the first day of the month following the date of initial receipt

and delivery and ending at 7:00 a.m., Central Standard Time, on

the first day of such month of the next succeeding calendar year

throughout the term of this agreement, except that the first

contract year shall also include the partial month commencing

with the date of initial receipt and redelivery of gas hereunder.

d. The term "Mcf" shall mean one thousand (1,000) cubic feet of gas.

e. The term "MMBtu" shall mean one million British thermal units.

f. The term "psia" shall mean pounds per square inch absolute.

g. The ten "psig" shall mean pounds per square inch gauge.

h. The term "Total Heating Value" shall mean the number of British

Thermal Units evolved by the complete combustion with air, at

constant pressure, of one (1) cubic foot of gas saturated with

water vapor, under a pressure of 14.65 psia and at a temperature

of 60 degrees Fahrenheit and when the products of combustion are

cooled to the initial temperature of the gas and air and the water

formed by combustion is condensed to the liquid state.

i. The term "MAXDTQ" shall mean Maximum Daily Transportation Quantity.