Western Gas Interstate Company

Fourth Revised Volume No. 1

Effective Date: 06/01/1997, Docket: RP97-160-001, Status: Effective

First Revised Sheet No. 201 First Revised Sheet No. 201 : Effective

Superseding: ORIGINAL SHEET NO. 201

GENERAL TERMS AND CONDITIONS

(continued)

1.7 Delivery Point - The term "Delivery Point" shall

mean the point on Western's system where it

delivers gas to a Buyer or for the account of a

Shipper.

1.8 Division - The term "Division" shall mean

Western's Northern Division, as defined in this

Tariff.

1.9 Dekatherm ("Dth") - The term "Dekatherm" shall mean

the quantity of heat energy where one dekatherm equals

one million BTU's (Dth).

1.10 Force Majeure - The term "Force Majeure" shall

mean any of the events or conditions described in

Section 14 of the General Terms and Conditions.

1.11 Gas Day - The term " Gas Day" shall mean a period of

24 consecutive hours, beginning at 9:00 AM central

clock time ("CCT").

1.12 Heat Content - The term "Heat Content" shall mean

the number of BTUs produced by the combustion in a

calorimeter at constant pressure, of the amount of

gas which would occupy one cubic foot at an

absolute pressure of 14.73 pounds per square inch

and 60 degrees Fahrenheit, on a dry basis, with

air of the same temperature and pressure as the

gas, when the products of combustion are cooled to

the initial temperature of the gas and air and

when the water formed by combustion is condensed

to the liquid state.

1.13 MCF - The term "MCF" shall mean 1000 cubic feet at

a pressure of 14.73 psia and a temperature of 60

degrees Fahrenheit (degrees F).

1.14 MDCQ - The Term "MDCQ" shall mean the maximum

daily contract quantity that Buyer is entitled to

purchase under any of Western's Sales Rate

Schedules.

1.15 MDTQ - The term "MDTQ" shall mean the maximum

daily transportation quantity that Shipper is

entitled to receive under any of Western's

Transportation Rate Schedules.