Dominion South Pipeline Co., LP

Original Volume No. 1

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Effective Date: 12/16/2005, Docket: CP05- 77-001, Status: Effective

Original Sheet No. 150 Original Sheet No. 150 : Effective

IT-1 RATE SCHEDULE

INTERRUPTIBLE TRANSPORTATION SERVICE - POOLE ROAD INTERCONNECT

1. AVAILABILITY

1.1 This Rate Schedule is available for transportation service through Dominion South Pipeline

Company, LP's (Pipeline) facilities identified in Section A of the Preliminary Statement,

the Poole Road Interconnect, on behalf of any person (Customer) where:

A. Customer has requested interruptible transportation service pursuant to Section 11

of the General Terms and Conditions of Pipeline's Tariff (GT&C);

B. After review and acceptance of such request by Pipeline, Customer has entered into

a Service Agreement, consistent with the Form of Service Agreement contained in

this Tariff, with Pipeline for transportation service under this Rate Schedule;

C. Customer is willing and able to pay the Recourse Rate hereunder, or such other rate

to which Pipeline and Customer mutually agree in accordance with the GT&C; and

D. Customer complies with the provisions of this Rate Schedule and with all other

applicable provisions of this Tariff.

1.2 Service under this Rate Schedule shall be made available in accordance with the scheduling

and curtailment provisions of the GT&C; provided, however, that Pipeline is not required

to provide any requested transportation service for which capacity is not available on the

requested Pipeline facilities or that would require the construction or acquisition of any

new facilities or the modification or expansion of existing facilities.

2. APPLICABILITY AND CHARACTER OF SERVICE.

Service provided under this Rate Schedule shall be performed under Part 284 of the

regulations of the Federal Energy Regulatory Commission (Commission). This Rate Schedule

shall apply to all Gas transported for Customer under an executed Service Agreement that

conforms to the Form of Service Agreement contained in this Tariff or such other agreement as

approved pursuant to GT&C Section 34. Pipeline shall Receive Gas Tendered for transportation

hereunder, at times when system capacity is available, and Deliver equivalent quantities in

accordance with the executed Service Agreement and the terms of this Tariff. Service under

this Rate Schedule shall be rendered on an interruptible basis and shall be subject to

nomination, confirmation, scheduling, and curtailment, as provided for in the GT&C. Service

under this Rate Schedule shall at all times be subordinate to service under Rate Schedule FT-

1.

3. DAILY QUANTITIES

The executed Service Agreement shall specify an MDTQ (Maximum Daily Transportation Quantity)

applicable only to interruptible transportation service under this Rate Schedule.