National Fuel Gas Supply Corporation

Third Revised Volume No. 1

Effective Date: 09/01/1996, Docket: RP96-331-002, Status: Effective

First Revised Sheet No. 83 First Revised Sheet No. 83 : Superseded

Superseding: Original Sheet No. 83

IAS RATE SCHEDULE

INTERRUPTIBLE ADVANCE SERVICE

4. RATE

4.1 The maximum and minimum rates per Dth for service under this rate

schedule are set forth on the currently effective Sheet No. 6 of

this tariff, and these rates are incorporated herein by

reference. These rates shall be applicable to service hereunder,

unless Transporter and Shipper have agreed upon a negotiated rate

pursuant to Section 17.2 of the General Terms and Conditions of

this Tariff.

4.2 For all service rendered under this rate schedule during each

month, Shipper shall pay Transporter:

(a) Advance Charge: A charge per Dth for all gas advanced by

Transporter during the billing month.

(b) Return Charge: A charge per Dth for all gas returned to

Transporter during the billing month.

balance. The usage charge shall be applied on a daily

basis. The Shipper's "advanced gas balance" shall be the

highest aggregate quantity of Transporter's gas on advance

to Shipper hereunder during a day.

(d) An amount to reimburse Transporter for the costs of any

facilities installed by Transporter to receive or deliver

natural gas for the account of Shipper.

4.3 Except as provided by valid Commission rule or regulation, Trans-

porter is not obligated to offer to transport or transport gas at

any rates or allowances less than the maximum rates and

allowances specified for this rate schedule on Sheet No. 6;

however, nothing precludes Transporter from charging a rate

between the maximum and minimum rates or retaining an allowance

less than the maximum allowance for this service under this Rate

Schedule set forth on Sheet No. 6.

5. MINIMUM MONTHLY BILL

None.