Western Gas Interstate Company

Third Revised Volume No. 1

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

Revised Original Sheet No. 259 Revised Original Sheet No. 259 : Superseded

GENERAL TERMS AND CONDITIONS

(continued)

7. QUALITY:

7.1 The provisions set forth in this Section 7.1, shall apply

to all gas delivered by Western under this Tariff.

(a) Heat Content - The natural gas shall have a Heat

Content of not less than nine hundred and fifty (950)

BTUs per cubic foot.

(b) Freedom from Objectionable Matter - The natural gas

delivered by Western under this Tariff shall be

commercially free (at prevailing pressure and

temperature in Western's pipeline) from dust, or other

solid or liquid matters which might interfere with its

merchantability or cause injury to or interference

with proper operation of the lines, regulators, meters

or other facilities through which it flows; and shall

not contain more than twenty grains of total sulphur

nor more than one grain of hydrogen sulphide per one

hundred cubic feet.

7.2 Failure to Conform to Quality Specifications - If the gas

offered for delivery by Western shall fail at any time to

conform to any of the specifications set forth in Section

7.1, then Buyer or Shipper shall notify Western of such

deficiency and thereupon may at Buyer's or Shipper's option

refuse to accept delivery pending correction by Western.

7.3 Unless otherwise provided in the Service Agreement or

applicable Rate Schedule, the provisions set forth in this

Section 7.3 shall apply to all gas delivered to Western by

Shipper.

(a) all gas shall have a total heating value of not less

than one thousand (1,000) BTUs per cubic foot, and not

more than eleven hundred BTUs per cubic foot;

(b) all gas shall be commercially free (at prevailing

pressure and temperature in Western's pipeline) from,

dust, hydrocarbon liquids, water, any other substance

that might become separated from the gas in Western's