El Paso Natural Gas Company

Second Revised Volume No. 1A

Effective Date: 04/01/2010, Docket: RP10-454-001, Status: Effective

Second Revised Sheet No. 205 Second Revised Sheet No. 205

Superseding: Substitute First Revised Sheet No. 205

TRANSPORTATION GENERAL TERMS AND CONDITIONS

(Continued)

2. MEASUREMENT (Continued)

2.6 Measurement Equipment

(a) Unless otherwise agreed, Transporter will install, maintain,

and operate or cause to be installed, maintained and operated,

measuring stations equipped with flow meters and other

necessary metering and measuring equipment by which the

volumes of gas received and delivered hereunder shall be

determined. Shipper may install check-measuring equipment at

its own cost and expense, provided such equipment shall be so

installed as not to interfere with the operations of

Transporter. The calibrating and adjusting of electronic

computer components and/or mechanical recording instruments

thereof shall be done only by the equipment owner or such

owner's representative, unless otherwise agreed upon. Both

Transporter and Shipper shall have the right to be present at

the time of any installing, cleaning, changing, repairing,

inspecting, testing, calibrating, or adjusting done in

connection with the other's measuring equipment; provided,

however, failure of either Transporter or Shipper to witness

such an operation shall not affect the validity of such

operation in any way. The records from such measuring

equipment shall remain the property of their owner, but upon

request, each will submit within 10 Days to the other its

records, together with calculations therefrom, for inspection,

subject to return within 30 Days after receipt thereof. The

measurement equipment of Shipper shall be for check purposes

except as otherwise provided.

(b) Orifice Meters. Orifice meters shall be installed and gas

volumes computed in accordance with the standards prescribed

in AGA Report No. 3 "Orifice Metering of Natural Gas."

gas volumes computed in accordance with the standards

prescribed in AGA Report No. 9 "Measurement of Gas by

Multipath Ultrasonic Meters".

(d) Positive Displacement Meters. Positive displacement meters

shall be installed and gas volumes computed in accordance with

generally accepted industry practices.