East Tennessee Natural Gas, LLC

Third Revised Volume No. 1

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Effective Date: 05/21/2009, Docket: RP09-528-000, Status: Effective

Third Revised Sheet No. 310 Third Revised Sheet No. 310

Superseding: Second Revised Sheet No. 310

 

GENERAL TERMS AND CONDITIONS (Continued)

 

(e) The specific gravity of the gas delivered by Transporter

shall be determined by a chromatograph or a recording

gravitometer, which shall be checked at least once a month,

or any other approved method mutually agreed upon.

 

(f) The deviation of the natural gas from Boyle's Law shall be

determined by American Gas Association Par Research Project

NX-19 or any superseding applicable publications by the

American Gas Association.

 

(g) The closing of measurement shall be no later than the fifth

(5th) Business Day after the close of the production month.

 

3.3 In the event of a significant decline in the heating value of gas

on Transporter's system, Transporter shall not be obligated to

deliver more Cubic Feet of gas to any Shipper than the quantity

calculated using 1030 Dth per million Cubic Feet, and at such

time, Transporter shall meet with Shippers to discuss an

appropriate resolution.

 

4. MEASUREMENT EQUIPMENT

 

4.1 Measuring Station: With respect to gas received or delivered

under a Transportation Agreement, unless otherwise mutually agreed

upon, all measuring facilities shall be installed, if necessary,

owned, maintained and operated by Transporter or Transporter's

designee near the Receipt Point(s) and Delivery Point(s). In the

event that measurement facilities are not operated by Transporter

or by another mutually agreed upon party, the responsiblity for

such operations shall be deemed to be Shipper's.

 

(a) Orifice Meters: Orifice meters, if used, shall be

installed, and gas quantities computed, in accord with

American National Standard Bulletin ANSI/API 2530, AGA

Report No. 3, Orifice Metering of Natural Gas, dated May 16,

1985, and any modification and amendments thereof, and shall

include the use of flange connections and straightening

vanes.

 

(b) Diaphragm, Rotary or Turbine Meters: Diaphragm or Rotary

meters, if used, shall be installed and gas quantities

computed, in accordance with generally accepted industry

practices. Turbine meters shall be installed in accordance

with AGA Report No. 7 (latest edition) with quantities

computed in accordance with generally accepted industry

practices.

 

(c) Electronic Flow Computers: The use of electronic or other

types of flow computers is required, unless otherwise

mutually agreeable, and such shall be installed, and

quantities calculated, in accord with generally accepted

industry practices.

 

(d) New Measurement Techniques: If, at any time, a new method

or technique is developed with respect to gas measurement or

the determination of the factors used in such gas

measurement, such new method or technique may be substituted

upon mutual agreement thereto by the parties.