Trans-Union Interstate Pipeline, L.P.

Original Volume No. 1

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Effective Date: 02/07/2006, Docket: RP06-217-000, Status: Effective

Original Sheet No. 109 Original Sheet No. 109 : Effective

(a) The unit of Gas received and delivered by Transporter shall

be a MMBtu.

(b) The unit of volume, for the purpose of measurement, shall be

one cubic

foot of Gas. The readings and registrations of the measuring

equipment

provided for herein and determinations of Gross Heating Value

shall be

computed in terms of such volumes.

3.2 The factors required to determine the Volume of Gas

received, such as

pressure, temperature, specific gravity and deviations from

Boyle's Law, shall

be calculated in accordance with the American Gas Association

Bulletin Number

3 and any modifications and amendments thereof, and applied in a

practical

manner.

4. MEASURING EQUIPMENT

4.1 With respect to Gas received or delivered under a

Transportation

Agreement, unless otherwise mutually agreed upon, all measuring

facilities

shall be installed, if necessary, owned, maintained and operated

by

Transporter or Transporter's designee near the Receipt Point and

Delivery

Point.

4.2 All meters and measuring equipment for the determination of

volume,

Gross Heating Value and relative density shall be approved

pursuant to, and

installed and maintained in accordance with, the currently

published standards

of the American Gas Association, or as mutually agreed upon.

Notwithstanding

the foregoing, all installation of equipment applying to or

affecting

deliveries of Gas shall be made in such manner as to permit an

accurate

determination of the quantity and Gross Heating Value of Gas

delivered and

ready verification of the accuracy of measurement. Care shall be

exercised by

all parties in the installation, maintenance and operation of

pressure

regulating equipment so as to prevent any inaccuracy in the

determination of

the energy of Gas delivered under the Transportation Agreement.

4.3 The accuracy of measuring equipment shall be verified by

Transporter or

other party at reasonable intervals at the expense of the party

performing the

verification, and if requested, in the presence of

representatives of the

other party, but either party shall not be required to verify the

accuracy of

such equipment more frequently than once in any 30 day period.

In the event

either party shall notify the other that it desires a special

test of any

measuring equipment, the parties shall co-operate to secure a

prompt

verification of the accuracy of such equipment. The expense of

any such

special test shall be borne by the requesting party if the

measuring equipment

is found to be in error by not more than the limits set out as

follows:

(a) 2% for measuring equipment utilized to determine volume,

(b) 1% for any measuring equipment utilized to determine

relative density,