National Fuel Gas Supply Corporation

Fourth Revised Volume No. 1

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Effective Date: 10/14/2004, Docket: RP04-591-000, Status: Effective

Second Revised Sheet No. 90 Second Revised Sheet No. 90 : Effective

Superseding: First Revised Sheet No. 90







1.1 This IAS Rate Schedule is available for interruptible advance

service by National Fuel Gas Supply Corporation (hereinafter

called "Transporter") on behalf of any person (hereinafter called

"Shipper") to the extent that: (i) excess deliverability is

available from storage fields utilized by Transporter, as posted

by Transporter on its Web Site from time to time; (ii) Shipper

makes a request for service as set forth in Section 31 of the

General Terms and Conditions and executes a service agreement for

interruptible advance service under this IAS Rate Schedule in the

form contained in this Tariff; (iii) Shipper has arranged for the

transportation of the gas to be advanced by Transporter hereunder

from storage fields utilized by Transporter to the desired

delivery points under the EFT, IT, FT, FST or FT-S Rate

Schedules; and (iv) such service complies with the terms and

conditions of this IAS Rate Schedule.


1.2 In addition to the information specified in Section 31 of the

General Terms and Conditions, a request for service under this

rate schedule shall include the following:


(a) Gas Quantities: The Maximum Advance Quantity requested,

stated in dekatherms.


(b) Receipt Point(s): The designated Receipt Point(s) for the

return hereunder of gas service.





2.1 The interruptible advanced service provided under this IAS Rate

Schedule shall be performed under Subpart 284G of the

Commission's Regulations or, where specifically referenced in the

IAS Service Agreement, Subpart 284B of such regulations. This

IAS Rate Schedule shall apply to all gas advanced by Transporter

to Shipper pursuant to an IAS Service Agreement.


2.2 (a) Service hereunder shall be provided on an interruptible

basis. Interruption of service includes decreasing,

suspending, or discontinuing the delivery of gas.


(b) Service hereunder shall be interrupted whenever necessary

to permit Transporter to meet its obligations under firm

transportation or firm storage rate schedules.