Northern Border Pipeline Company

First Revised Volume No. 1

Effective Date: 01/16/2008, Docket: RP08-128-000, Status: Effective

First Revised Sheet No. 225 First Revised Sheet No. 225 : Effective

Superseding: Original Sheet No. 225

GENERAL TERMS AND CONDITIONS

2. PRESSURE AND TEMPERATURE (Continued)

2.5 Operating Conditions

Subject to the provisions of Subsections 2.1, 2.2, 2.3 and

2.4 hereof, the temperature and pressure of gas delivered to

Company by Shipper, and of gas delivered to Shipper by

Company, shall, at each of Shipper's Points of Receipt and

Points of Delivery, be consistent with the overall operating

conditions of Company's pipeline system. Company shall use

care and diligence to deliver gas to Shipper at such uniform

pressure as is consistent with the operating conditions of

Company's pipeline system.

3. MEASURING EQUIPMENT

3.1 Company's Measuring Equipment

Unless otherwise agreed by Company and Shippers, at each

Point of Receipt, and at each Point of Delivery, of a

Shipper, Company shall cause to be furnished, installed,

maintained, and operated all equipment, devices and material

necessary to determine gas volume, pressure, temperature,

gross heating value, quality, specific gravity and

supercompressibility.

3.11 When orifice meters are used, the manufacture,

installation, operation and maintenance thereof shall

be consistent with the recommendations and

specifications contained in the latest edition of

"Orifice Metering of Natural Gas--Gas Measurement

Committee Report No. 3," including any appendices and

amendments thereto, published by the American Gas

Association, at the time the meters are manufactured

or installed.

3.12 Measuring equipment other than orifice meter, if

used, shall be of a type acceptable to Company and

Shippers. Such meters may also be equipped with a

device for recording flow rate and/or a device for

integrating the product of the volume of gas measured