El Paso Natural Gas Company

Second Revised Volume No. 1A

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

Original Sheet No. 226A Original Sheet No. 226A







4.22 Heating Values

(a) Effective January 1, 2006, the TCD of Transporter's TSAs will

be converted from Mcf to dth using the following procedures.

Using the Receipt and Delivery Points underlying the path

rights assigned in Docket No. RP04-248, Transporter shall

convert Mcf quantities to dth quantities by multiplying the

number of Mcf by the Heating Value conversion factor

specified in the table below for the basin and area

pertaining to the primary rights indicated in the TSA.




Permian Basin

Plains Area 1.018

Monument Area 1.007

Eunice Area 1.012

Pecos Area 1.051

Keystone Area 1.031

Midkiff Area 1.029

Waha Area 1.025

Salt Flat Area 1.041

Snyder Area 0.970


Anadarko Basin

Dumas South 1.043

Amarillo South 1.038


San Juan Basin

Bondad North 1.002

Bondad South 1.000

Blanco Area 1.009

Rio Vista Area 1.024


(b) Unless the applicable TSA reflects a dth conversion factor,

the factors listed below shall be used to convert Mcf to dth

quantities at the following locations.


Daggett Compressor Station 1.044

Washington Ranch 1.022


(c) After January 1, 2006, the availability of capacity at any

point or path will be determined on a dth basis using the

most recently available and reliable data concerning the

prospective Heating Value of the gas flowing at that point or

on that path.