Algonquin Gas Transmission, LLC

Fifth Revised Volume No. 1

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Effective Date: 11/30/2009, Docket: RP10-77-000, Status: Effective

Third Revised Sheet No. 502 Third Revised Sheet No. 502

Superseding: Second Revised Sheet No. 502

GENERAL TERMS AND CONDITIONS

1. DEFINITIONS (continued)

Cubic Foot. The term "Cubic Foot" shall mean the volume of gas which

occupies l Cubic Foot of space, measured according to Boyle's and

Charles's Law for the measurement of gas under varying pressures with

deviation therefrom as provided in Section 5 of these General Terms and

Conditions and on the measurement basis likewise specified in such

Section 5.

Customer. The term "Customer" shall mean the entity that has executed

a Service Agreement with Algonquin under one or more of Algonquin's

rate schedules.

Day. The term "Day" or "Gas Day" shall mean a period of 24 consecutive

Hours, beginning at 9:00 a.m. Central Clock Time.

Dekatherm. The term "Dth" or "Dekatherm" shall mean the quantity of

heat energy which is equivalent to 1,000,000 British Thermal Units.

One "Dekatherm" of gas shall mean the quantity of gas which contains

one Dekatherm of heat energy.

Discount Confirmation. The term "Discount Confirmation" shall mean an

electronic mail (e-mail) message sent by Algonquin to Customer to

confirm the terms of the discount granted pursuant to Section 45 of the

General Terms and Conditions of Algonquin's FERC Gas Tariff.

Elapsed Prorata Capacity. The term "Elapsed Prorata Capacity" shall

mean that portion of the capacity that would have theoretically been

available for use prior to the effective time of the intraday recall

based upon a cumulative uniform hourly use of the capacity.

Hour. The term "Hour" shall mean a period of 60 consecutive minutes.

Imbalance Management Services. The term "Imbalance Management

Services" shall mean the options available to Customers for resolution

of imbalances prior to the application of the cash-out mechanism set

forth in Section 25 of the General Terms and Conditions. These options

include, but are not limited to, OBA (where applicable), Park and Loan

Service, and Imbalance Netting and Trading.