Rockies Express Pipeline LLC (Entrega)

Second Revised Volume No. 1

Effective Date: 09/01/2007, Docket: CP06-354-002, Status: Effective

Original Sheet No. 231 Original Sheet No. 231 : Effective

GENERAL TERMS AND CONDITIONS

18. MEASUREMENT (Contd.)

18.9 NEW MEASUREMENT TECHNIQUES

If, at any time, a new method or technique is developed with

respect to Gas measurement or the determination of the factors

used in such Gas measurement, such new method or technique may be

substituted by Transporter in exercise of its reasonable judgment.

Transporter shall promptly inform all Shippers of any new

techniques adopted.

18.10 CALIBRATION AND TEST OF METERS

The accuracy of all measuring equipment shall be verified by

Transporter at reasonable intervals, and if requested, in the

presence of representatives of Shipper, but neither Shipper nor

Transporter shall be required to verify the accuracy of such

equipment more frequently than once in any thirty (30) Day period.

If either party at any time desires a special test of any

measuring equipment, it will promptly notify the other, and the

parties shall then cooperate to secure a prompt verification of

the accuracy of such equipment.

18.11 CORRECTION OF METERING ERRORS

If, upon any test, any measuring equipment is found to be

inaccurate, such equipment shall be adjusted immediately to

measure accurately. If, upon any test, the measuring equipment in

the aggregate is found to be inaccurate by one percent (1%) or

more at a recording corresponding to the average hourly rate of

Gas flow for the period since the last preceding test, any

payments based thereon shall be corrected pursuant to Section 12.5

of these General Terms and Conditions, at the rate of such

inaccuracy for any period which is known definitely or agreed

upon, but in case the period is not known definitely or agreed

upon, such correction shall be for a period extending over one-

half (1/2) of the time elapsed since the date of the last test.

Measurement data corrections should be processed within six (6)

Months of the production Month with a three (3) Month rebuttal

period. This standard shall not apply in the case of deliberate

omission or misrepresentation or mutual mistake of fact. Parties'

other statutory or contractual rights shall not otherwise be

diminished by this standard.