El Paso Natural Gas Company

First Revised Volume No. 1-A

Effective Date: 09/01/1991, Docket: RP88- 44-019, Status: Effective

First Revised Sheet No. 100 First Revised Sheet No. 100 : Superseded

Superseding: Original Sheet No. 100

RATE SCHEDULE T-1

Interruptible Transportation Service

1. AVAILABILITY

This Rate Schedule is available to any party (hereinafter

referred to as "Shipper") for the transportation of natural gas on

an interruptible basis by El Paso Natural Gas Company (hereinafter

referred to as "El Paso") when Shipper and El Paso have an executed

Transportation Service Agreement, in the form contained in this

Volume No. 1-A Tariff, for service under this Rate Schedule.

2. APPLICABILITY AND CHARACTER OF SERVICE

This Rate Schedule shall apply to all natural gas transported

by El Paso for Shipper pursuant to the executed Transportation

Service Agreement.

Transportation service hereunder shall be interruptible,

subject to the provisions of the executed Transportation Service

Agreement and to the Transportation General Terms and Conditions

incorporated herein by reference.

Transportation service hereunder shall be on an interruptible

basis and shall consist of the acceptance by El Paso of natural gas

on behalf of Shipper for transportation at the Receipt Point(s)

specified in the executed Transportation Service Agreement, the

transportation of that natural gas through El Paso's pipeline

system, and the delivery of that natural gas, after appropriate

reductions, by El Paso to Shipper or for Shipper's account at the

Delivery Point(s) specified in the executed Transportation Service

Agreement.

3. RATE

Shipper shall pay to El Paso each month an amount determined

as the quantity of natural gas in dth multiplied, as applicable, by

the following:

3.1 As compensation for the use of El Paso's mainline facilities

in the transportation of natural gas under the executed

Transportation Service Agreement, Shipper shall pay:

(a) Mainline Transportation Charges: The rate(s) in effect

and reflected from time to time as the maximum "Mainline

Transportation Charges," unless otherwise provided,

applicable from the production basin(s) in which natural