Mississippi Canyon Gas Pipeline, LLC

First Revised Volume No. 1

Effective Date: 12/20/1998, Docket: CP96-159-006, Status: Effective

Original Sheet No.77 Original Sheet No.77 : Effective

GENERAL TERMS AND CONDITIONS (cont'd)

4. MEASURING EQUIPMENT

4.1 Transporter's Measuring Equipment:

Gas delivered to Transporter and by Transporter to or

for the account of Shipper shall be measured by meters

installed, operated, and maintained by Transporter, or

such meters as Transporter causes to be installed,

operated, and maintained, equipped to record daily and

hourly deliveries. Measurement data may be recorded

using electronic recorders or instantaneous flow

computations in electronic flow computers. Orifice

meter installations shall conform to the

recommendations for design and installation contained

in AGA Report No. 3, as revised September 1985, and as

such report may hereafter be further revised. Turbine

meter installation shall conform to the recommendations

for design and installation contained in Gas

Measurement Committee Report No. 7 of the AGA, as

published in 1981 and as such report may be further

revised. Positive displacement meter installation

shall conform to generally accepted engineering

practices in the industry.

4.2 Testing Measuring Equipment:

Transporter shall test its meters, installed as

provided in Section 4.1 above, at intervals of a

maximum of sixty (60) days. Transporter shall

test thermometers, gravitometers, calorimeter,

chromatographs and other equipment installed as

provided in subsections 3.2(c), and 3.2(d) above,

at intervals of a maximum of sixty (60) days.

Transporter will notify Shippers in time to permit

Shipper to witness at its expense such test if

Shipper so elects.