Questar Pipeline Company

First Revised Volume No. 1

Effective Date: 08/01/2005, Docket: RP05-467-000, Status: Effective

First Revised Sheet No. 179E First Revised Sheet No. 179E : Effective

Superseding: Original Sheet No. 179E

PART 4

GENERAL TERMS AND CONDITIONS

(Continued)

7. NOMINATION, SCHEDULING AND COMMENCEMENT OF SERVICE

7.1 Nomination. PAL1 shippers shall nominate for and deliver or

receive gas quantities on the scheduled dates set forth in the PAL1 agreement.

When nominating quantities of gas for park, park return, loan and loan return

at Clay Basin, shipper shall follow the nomination procedures stated in the

General Terms and Conditions of Part 1 of this tariff. Shipper shall bear the

risk of its failure to nominate, schedule, deliver or receive gas as required

by the PAL1 agreement.

7.2 Scheduling

(a) The PAL1 agreement between shipper and Questar shall specify

the total quantities to be delivered by shipper to Questar or Questar to

shipper on each day of a park or loan, the schedule of any transfers of gas

between PAL1 and Clay Basin storage accounts, as well as the maximum

quantities to be held by Questar or shipper. However, shipper shall be

responsible for nominating and scheduling transportation quantities for

deliveries to Questar and receipts from Questar at Clay Basin, in order to

comply with the PAL1 agreement. Questar may, but is not obligated to, accept

park and loan quantities at Clay Basin at levels that are different than the

schedule set forth in shipper's PAL1 agreement.

(b) If the PAL1 compressor has any injection capacity remaining

after all PAL1 obligations are met, it

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1/ Available injection capacity will vary depending upon operating

conditions; principally, compressor suction and discharge pressures and the

designated main line receipt point (currently either Storage Main Line No. 70

or Main Line No. 58).