Transwestern Pipeline Company

Second Revised Volume No. 1

Effective Date: 09/01/1996, Docket: CP96- 10-003, Status: Effective

Sixth Revised Sheet No. 53 Sixth Revised Sheet No. 53 : Effective

Superseding: Fifth Revised Sheet No. 53

GENERAL TERMS AND CONDITIONS

(continued)

2.2 The gas stream delivered, into the La Plata Facilities by Shipper or

Shipper's designee at receipt point's shall conform to each of the

following quality specifications:

A. shall be commercially free from objectionable odors, solid matter,

dust, gums, and gum forming constituents, or any other substance

which interferes with the intended purpose or Merchantability of

the gas, or causes interference with the proper and safe operation

of the lines, meters, regulators, or other appliances through

which it may flow;

B. shall be free from liquid water and shall not

contain more than seven pounds of water in vapor phase per million

cubic feet,

C. The hydrocarbon dew point of the gas delivered shall not exceed

fifteen degrees Fahrenheit at any pressure between 100 psia and

1,000 psia as calculated from the gas composition and shall be

free from hydrocarbons in the liquid state. At all times, any and

all liquid or liquefiable hydrocarbons, or any other constituent

or by-product, recovered from the gas by Transporter, after

delivery of gas to Transporter shall be and remain the exclusive

property of Transporter,

D. shall not contain in excess of two-tenths of one percent

by volume of oxygen, and the parties agree to exercise every

reasonable effort to keep the gas completely free of oxygen,

E. shall contain not more than two percent by volume of

carbon dioxide and shall contain not more than three percent by

volume of combined nonhydrocarbon gases including, but not limited

to, carbon dioxide, nitrogen and oxygen, except as otherwise

provided in Section F. (see below)

F. Accepting Gas Which Fails to Meet Specifications. To the extent

Transporter can accept gas that does not meet quality

specifications without jeopardizing Transporter's ability to meet

its obligations to deliver gas to downstream interconnecting

pipelines or markets, it will do so on a non-discriminatory basis

to all similarly situated Shippers. When such ability is

jeopardized by gas not meeting the quality specifications as set

forth in Section E, Transporter will implement the following steps

in the following order: