Oktex Pipeline Company

Original Volume No. 1

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Effective Date: 10/01/2002, Docket: RP02-472-000, Status: Effective

Fifth Revised Sheet No. 24 Fifth Revised Sheet No. 24 : Effective

Superseding: Fourth Revised Sheet No. 24

from Shipper for transportation hereunder.

5. Odorization. The gas delivered to or for the account of Shipper at

the Point(s) of Delivery may be odorized by Transporter by use of an odorant

agent of such character as to indicate by a distinctive odor the presence of

gas when deemed desirable or necessary by Transporter or when governmental

authorities having jurisdiction so require. Whenever odorized gas is

delivered, the quality and specifications, as set forth in this Section 5, of

such gas shall be determined prior to the addition of an odorant or with

proper allowance for changes or additions due to such odorant.

6. Delivery Pressure. The delivery pressure for Shipper's Gas at the

Point(s) of Delivery shall be at Transporter's line pressure as it may exist

from time to time but not less than as specified in the executed service

agreement.

V. MEASUREMENT

Determination of Volume and Total Heating Value. The volume and the total

heating value of the gas delivered to Transporter at the Receipt Point(s) and

made available to or on behalf of Shipper at the Delivery Point(s) shall be

determined as follows:

1. The unit of gas, for the purpose of measurement, shall be one (1)

Dekatherm.

2. The volumetric measurement base shall be one (1) cubic foot of dry gas

at a pressure base of fourteen and seventy-three hundredths (14.73) psia and

at a temperature base of sixty degrees (60) Fahrenheit. (Refer to NAESB

Standard 2.3.9)

3. The total heating value of the gas per cubic foot shall be determined

for any month by taking the weighted average of the heating values as recorded

each day by a calorimeter or chromatograph, or as determined by

chromatographic analysis of a sample of gas collected during the month or any

other method mutually agreed upon by Shipper and Transporter.

4. The Dekatherms delivered shall be determined by multiplying the Mcf

delivered by the ratio of the Btu per cubic foot delivered to 1,000. For

purposes of this determination, The specific gravity and heating value shall

be determined at approximately the same time.

5. The temperature of the gas passing though each meter shall be

determined for any day by the continuous use of a recording thermometer so

installed that it may properly record the temperature of the gas flowing

through each meter. The arithmetical average of the flowing temperature

recorded of each hour shown by the recording thermometer shall be used in

computing gas volumes.

6. The specific gravity of the gas shall be determined by the use of a

recording gravitometer, or by calculation from chromatographic analysis of a

sample of gas collected during the month at the Point of Receipt or Point of

Delivery, which shall be checked at least once each month, or any other method

mutually agreed upon by Shipper and Transporter.