Phillips Gas Pipeline Company

First Revised Volume No. 1

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Effective Date: / / , Docket: RS92- 47-001, Status: Effective

Original Sheet No. 34 Original Sheet No. 34 : Superseded

(b) By computing error if percentage of error is

ascertainable by calibration; test or mathematical

calculation; or

(c) By estimating the quantity delivered and/or its thermal

content by reference to actual deliveries during

preceding periods under similar conditions when

measuring equipment was registering accurately.

If the period during which measuring equipment has

been registering inaccurately or has been out of service

or not registering is not definitely known or agreed

upon, correction shall be made for the last half of the

time elapsed since measuring equipment was previously

tested and found to be registering within one percent

(1%) of accurate or was adjusted to register accurately.

All corrections made as above provided shall be made

to zero error.

4. MEASUREMENTS

4.1 Metering: The gas received by PGPL hereunder shall be

metered by orifice or other meters of standard make to be

operated and kept in repair by PGPL at each point of receipt

by PGPL hereunder. All gas delivered hereunder by PGPL to

or for the account of Shipper at locations other than the point

of interconnection between the facilities of PGPL and Phillips

Texas Border Pipeline Company at the southern terminus of

PGPL's pipeline shall be metered in the same manner. The

volumes of gas delivered to Phillips Texas Border Pipeline

Company for the account of each Shipper at the southern

terminus of PGPL's pipeline need not be metered but may be

calculated by PGPL using information furnished by Phillips

Texas Border Pipeline Company regarding the composition,

heating value and volume of each of the dispositions of natural

gas from Phillips Texas Border Pipeline Company's Texas