Young Gas Storage Company, Ltd.

Original Volume No. 1

Effective Date: 05/01/2001, Docket: RP01-281-000, Status: Effective

Fifth Revised Sheet No. 48C Fifth Revised Sheet No. 48C : Effective

Superseding: Fourth Revised Sheet No. 48C

GENERAL TERMS AND CONDITIONS

(Continued)

1.14 "Dekatherm" or "Dth" shall mean the quantity of heat energy which is

equivalent to 1,000,000 British Thermal Units ("MMBtu"). One

"Dekatherm" of Gas shall mean the quantity of Gas which contains one

Dekatherm of heat energy, and will be reported on a dry MMBtu (or

Dth) basis. Dth is the Standard Quantity unit for Nominations,

Confirmations and Scheduled Quantities in the United States. The

standard conversion factor between Dth and Canadian Gigajoules (Gj)

is 1.055056 Gjs per Dth. As used in this Tariff, related service

agreements, statements and invoices, MMBtu and Dth are considered

synonymous. (GISB Standard 1.3.14)

1.15 "Deliver" or "Delivered" shall mean the Tender by Transporter to

Shipper, or to a third Party for Shipper's account of a quantity of

natural Gas containing the same thermal content as received by

Transporter (net of Fuel Reimbursement) in accordance with all of

the provisions of this Tariff and Shipper's Storage Service

Agreement.

1.16 "Downstream Party" shall mean the entity (name or identifying

number) receiving Gas at a designated location as identified by a

Shipper's Nomination.

1.17 "Electronic Delivery Mechanism" or "EDM" shall mean the electronic

communication methodology used to transmit and receive data related

to Gas transactions. Transporter shall designate an electronic

"site" at which Shippers and Transporter may exchange data

electronically. All data provided at such site shall be considered

as being delivered to the appropriate Party. Transporter's use and

implementation of EDM shall conform to all appropriate GISB

Standards.

1.18 "Electronic Transmission" or "Electronic Communication" shall mean

the transmission of information via Transporter's electronic

bulletin board, Transporter's standardized Internet Web Site ("Web

Site"), and Electronic Data Interchange ("EDI") including

information exchanged via EDM. This term excludes facsimile.