Columbia Gas Transmission LLC

Third Revised Volume No. 1

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Effective Date: 03/03/2009, Docket: RP09-340-000, Status: Effective

Original Sheet No. 136 Original Sheet No. 136

SIT RATE SCHEDULE

STORAGE IN TRANSIT

1. AVAILABILITY.

Service under this Rate Schedule is available from Columbia Gas Transmission, LLC (Transporter) to any

Shipper, provided that (i) Transporter has sufficient facilities and transportation capacity available to

receive gas from and deliver gas to Shipper, (ii) Shipper has submitted a valid request for service under

Section 3 (Requests for Service) of the General Terms and Conditions, and Transporter has allocated capacity

to Shipper under the provisions of this Rate Schedule, (iii) Shipper has executed an SIT Service Agreement

with Transporter, (iv) Shipper has executed a Service Agreement, or represents a Shipper that has executed a

Service Agreement, under Transporter's FTS, OPT, NTS, SST or ITS Rate Schedules (Transportation Service

Agreements), and (v) Shipper complies with the provisions of this Rate Schedule and with all other applicable

provisions of this Tariff. Service under this Rate Schedule may be elected by Shipper under one or more of

Shipper's Transportation Service Agreements.

2. APPLICABILITY AND CHARACTER OF SERVICE.

(a) Service provided under this Rate Schedule shall be performed under Subpart B or G of Part 284

of the Commission's Regulations. Subject to the limitations set forth below, Transporter shall on an

interruptible basis: (i) inject into storage the excess of Shipper's actual daily receipt quantity (less

Retainage assessed under the applicable Transportation Service Agreement(s)) over Shipper's actual daily

delivery quantity under Shipper's designated Transportation Service Agreements with Transporter, and (ii)

withdraw from storage the excess of Shipper's actual daily delivery quantity over actual daily receipt

quantity (less Retainage assessed under the applicable Transportation Service Agreement(s)) under Shipper's

designated Transportation Service Agreements with Transporter; provided that the net of such injections or

withdrawals shall not on any Day exceed the Maximum Balancing Quantity (MBQ) set forth in Shipper's SIT

Service Agreement, as described more fully at Section 3 of this Rate Schedule.

(b) In accordance with the procedures set forth in this Rate Schedule, service under this Rate

Schedule provides for interruptible storage of gas to balance differences between actual receipts and actual

deliveries under Shipper's Transportation Service Agreements. Shipper under this Rate Schedule may balance

excess receipts and deliveries under multiple Transportation Service Agreements, provided that Shipper

designates in advance each Service Agreement subject to SIT balancing.

(c) Subject to the limitations set forth in this Rate Schedule, Shipper, in any Month for which it

has requested SIT service, shall not be permitted to increase its quantities flowing under any Service

Agreement with Transporter calling for delivery to or receipt from storage for Shipper's account under this

Rate Schedule if such increase would cause a reduction in quantities flowing on Transporter's system under a

Service Agreement between Shipper and Transporter of equal or higher priority.

(d) Service provided under this Rate Schedule is interruptible and (i) shall have the priority

specified in Section 7 (Capacity Allocation) of the General Terms and Conditions, (ii) shall be subject to

interruption to the extent provided in this Rate Schedule or in Section 16 (Interruptions of Service) of the

General Terms and Conditions, and (iii) shall be subject to operational flow orders to the extent provided in

this Rate Schedule and in Section 17 (Operational Flow Orders) of the General Terms and Conditions.

(e) Service rights under an SIT Service Agreement may not be released and assigned.