Texas Eastern Transmission, L P

Seventh Revised Volume No. 1

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Effective Date: 11/16/2009, Docket: RP10-53-000, Status: Effective

First Revised Sheet No. 579 First Revised Sheet No. 579

Superseding: Original Sheet No. 579





putation of Quantities of Gas hereunder, is found to be in error to the extent

that it introduces not more than one percent (1%) measurement error in the

individual measurement equipment affected, previous records of such equipment

shall be considered accurate;


(B) If, upon test, any such above measurement equipment is found to be in error, to

the extent that it causes the registered or computed quantities of the

instrument(s) so affected to be in error, by an amount exceeding one percent

(1%) at a recording corresponding to the average hourly rate of flow-through the

instrument(s) in the period since the last preceding test, then any

registrations, integration or computed quantities of such instrument(s) affected

shall be corrected to zero (0) error for any part of the period since the last

test in which such error is known to have existed or which may be agreed upon by

representatives of the parties. In case the period of such error is not know

definitely or agreed upon, such correction shall be for a period of one-half

(1/2) of the elapsed time since the date of the last test, but not exceeding a

correction period of sixteen (16) days where orifice measurement equipment is

used in the computation of quantity and not exceeding forty-five (45) days where

other measurement equipment is used; and


(C) If no tests have been performed to determine the degree of inaccuracy, or

measurement equipment is out of service, the Quantity of Gas shall be estimated:


(1) By using the registration of any existing and agreed upon check equipment

considered by parties concerned to be registering accurately, or in the

absence of such facilities,


(2) By correcting the error, if the quantity or percentage of error is

ascertainable by calibration, test, or mathematical calculation, or if

neither of the two foregoing procedures are applicable,


(3) By relating the quantity of receipt or delivery to receipts or deliveries

during periods under similar conditions when the measurement equipment was

deemed to have been registering accurately.


7.9 Preservation of Records


Each party shall preserve for a period of at least two (2) years all test data, charts

and other similar records or such longer period as may be required by the Federal

Energy Regulatory Commission.