Western Gas Interstate Company

Third Revised Volume No. 1

Effective Date: 06/01/1993, Docket: RS92- 53-003, Status: Effective

Revised Original Sheet No. 260 Revised Original Sheet No. 260 : Superseded

GENERAL TERMS AND CONDITIONS

(continued)

facilities, and Shipper shall furnish, install,

maintain and operate such drips, separators, heaters,

and other mechanical devices as may be necessary to

effect compliance with such requirements (after having

secured the prior approval of Western as to the design

and construction of such facilities, which approval

shall not be unreasonably withheld);

total sulphur, nor more than one fourth (1/4) of one

grain of hydrogen sulphide per one hundred (100) cubic

feet, and

(d) not contain more than two-tenths of one percent (0.2%)

by volume of oxygen, and Shipper shall make every

reasonable effort to keep the gas free of oxygen, and

(e) not contain more than four percent (4%) by volume of a

combined total of carbon dioxide and nitrogen

components; provided, however, that the total carbon

dioxide content shall not exceed three percent (3%) by

volume, and

(f) have a temperature of not more than one hundred twenty

degrees (120 degrees) Fahrenheit, and not less than

fifty (50 degrees) Fahrenheit, and

(g) have been dehydrated by Shipper for removal of

entrained water present therein in a vapor state, and

in no event contain more than seven (7) pounds of

entrained water per million cubic feet, at a pressure

base of fourteen and seventy three hundredths (14.73)

pounds per square inch and a temperature of sixty

degrees (60 degrees) Fahrenheit as determined by

dew-point apparatus approved by the Bureau of Mines or

such other apparatus as may be mutually agreed upon.

7.4 The design and construction of any facilities to be

installed by Shipper in order to comply with the quality

specifications in Section 7.3 shall be approved by Western

prior to such facilities being placed in service.