Dominion Transmission, Inc.

Third Revised Volume No. 1

Effective Date: 09/23/2000, Docket: RP00-555-000, Status: Effective

Original Sheet No. 506 Original Sheet No. 506 : Effective

ISS RATE SCHEDULE

Interruptible Storage Service

7.2 For any Day when Customer desires the delivery of gas

stored for Customer's account under this Rate Schedule,

Customer shall nominate to Pipeline in accordance with the

General Terms and Conditions of this Tariff the quantity of

gas under this Rate Schedule during such Day. Upon any

necessary confirmation, and subject to the availability of

capacity as determined by Pipeline, Pipeline shall

thereupon deliver to Customer at the Delivery Points the

quantity of gas so nominated, subject to each of the

limitations set forth below in this Section 8.

7.3 The notice given by Customer to Pipeline for withdrawals on

any Day shall be that required for nominations under

Section 11A of the General Terms and Conditions.

7.4 Transfers of storage inventory in accordance with Section

34 of the General Terms and Conditions shall be treated as

a reduction in the Storage Gas Balance of the Transferring

Customer, and an increase in the Storage Gas Balance of the

Receiving Customer.

7.5 In addition to the MDWQ, Pipeline shall permit Customer to

withdraw a quantity each Day corresponding to the fuel that

will be retained by Pipeline for subsequent transportation

of gas withdrawn from storage on behalf of Customer.

Additional withdrawals under this Section 7.6 shall

immediately reduce Customer's Storage Gas Balance for all

purposes.

7.7 Pipeline shall not be obligated to withdraw and deliver gas

to or for the account of Customer in excess of Customer's

Storage Gas Balance.

7.8 Withdrawals Upon Termination of Service. Customer must

withdraw any remaining Storage Gas Balance within three

Days after the termination of the ISS Service Agreement,

provided that such deadline shall be extended by one Day

for each Day that Customer's nominated withdrawals are

interrupted by Pipeline. Pipeline will take title to all

such gas not withdrawn, without recourse and free and clear

of all adverse claims and encumbrances, on the fourth Day

after the termination of the ISS Service Agreement. Such

forfeited quantities shall be managed by Pipeline in

accordance with Section 29 of the General Terms and

Conditions of this Tariff.