Western Gas Interstate Company

Third Revised Volume No. 1

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

Revised Original Sheet No. 257 Revised Original Sheet No. 257 : Superseded

GENERAL TERMS AND CONDITIONS

(continued)

by Western at reasonable intervals but not more frequently

than once in any thirty (30) day period. In the event

either party shall notify the other that it desires a

special test of Western's measuring equipment or Buyer or

Shipper's check measuring equipment, as the case may be,

the parties shall cooperate to secure prompt verification

of the accuracy of such equipment. Each party shall give

to the other party sufficient advance notice of the time of

all such special tests so that the other party may

conveniently have its representatives present.

4.3 Check Measuring Equipment - Buyer or Shipper may install,

maintain and operate at its own expense, at or near each

Receipt Point and Delivery Point, such check measuring

equipment as desired, provided that such equipment is

installed so as not to interfere with the operation of any

of Western's measuring equipment. Whenever any point of

delivery provided for is on the premises of Western,

Western grants to Buyer or Shipper the right of free use

and ingress removal of such check measuring equipment. In

the event check measuring equipment is installed by Buyer

or Shipper Western shall have access to the same at all

reasonable times, but the reading, calibration and

adjusting thereof and the changing of charts shall be the

responsibility of Buyer's or Shipper. Western shall have

the right to have representatives present at the time Buyer

or Shipper installs, repairs, test or calibrates any such

check measuring equipment.

5. RECORDS:

5.1 Charts and Records - Upon request of either party, the

other shall submit the records and charts from Western's or

Buyer's or Shipper's measuring equipment, as the case may

be, used in the measurement and billing of gas hereunder,

together with calculations therefrom, for inspection and

verification, subject to return within ninety (90) days

after receipt.