Pacific Interstate Transmission Company

Original Volume No. 1

Effective Date: 10/01/1981, Docket: GT97- 67-000, Status: Effective

Original Sheet No. 104 Original Sheet No. 104 : Effective

GENERAL TERMS AND CONDITIONS (Continued)

2. MEASURING EQUIPMENT

2.1 Measuring Equipment: Unless otherwise agreed by Seller and Buyers,

Seller shall cause to be furnished, installed, maintained and operated

at each Point of Delivery all equipment, devices and material necessary

to determine gas volume, pressure, temperature, gross heating value,

quality, specific gravity and supercompressibility.

2.11 When orifice meters are used, the manufacture, installation,

operation and maintenance thereof shall be consistent with the

recommendations and specifications contained in the latest edi-

tion from time to time of "Orifice Metering of Natural Gas--Gas

Measurement Committee Report No. 3", including any appendices

and amendments thereto, published by the American Gas Association.

2.12 Positive displacement and turbine meters, if used, together with

auxiliary equipment therefor shall be installed in accordance

with the recommendations of the manufacturer of the meter and

operated within the capacity and pressure ranges recommendations

of the manufacturer. The latest edition from time to time of

"Orifice Metering of Natural Gas--Gas Measurement Committee

Report No. 3", including any appendices and amendments thereto,

published by the American Gas Association or accepted industry

standards agreeable to all parties, shall be used as a reference

standard for the calibration of large capacity positive displace-

ment and turbine meters on initial calibrations. Spin tests or

turbine meter rotors shall be conducted quarterly and shall meet

manufacturer's specifications. Such meters shall be equipped

with a counting device for indicating the actual volume of gas

passing through the meter and gauges for continuously recording

the pressure and temperature of such gas. Such meters may also

be equipped with a device for recording flow rate and/or a device

for integrating the produce of the volume of gas measured multi-

plied by pressure and temperature corrections, and indicating the

volume of gas delivered.

2.13 Recording calorimeters shall be of a standard type acceptable

to Seller and Buyers.

(continued)