Questar Pipeline Company

First Revised Volume No. 1

Effective Date: 07/07/2002, Docket: RP02-357-000, Status: Effective

Fourth Revised Sheet No. 112 Fourth Revised Sheet No. 112 : Effective

Superseding: Third Revised Sheet No. 112

PART 2

GENERAL TERMS AND CONDITIONS

(Continued)

1.8 Peaking storage service or storage service means

the injection, storage and withdrawal of natural gas at

Questar's designated peaking storage reservoirs to meet the

peak daily demand requirements of contracting shippers.

1.9 Recoverable working gas means the difference

between the gross working gas and the non-recoverable

working gas during any one annual storage cycle.

1.10 Storage formation means (i) for Leroy, the Thaynes

formation, (ii) for Coalville, the Longwall member of the

Frontier formation and (iii) for Chalk Creek, the Kelvin

formation.

1.11 Withdrawal period means a period of time beginning

December 16 of any calendar year and extending through June

30 of the next succeeding year.

1.12 Working gas means gas injected into an aquifer

storage reservoir by Questar for shipper.

2. PIPELINE INTERNET PAGE AND QUESTLINE

Access to information pertaining to peaking storage

service provided at Questar's peaking storage reservoirs

will be made available to shippers via Questline and in

accordance with the procedures stated in the General Terms

and Conditions of Part 1 of this tariff.

3. ACQUIRING STORAGE SERVICE

Any shipper desiring peaking storage service from

Questar may acquire the service, if available, by following

the procedures stated in 5 of the General Terms and

Conditions of Part 1 of this tariff.

4. FORM OF PEAKING STORAGE SERVICE AGREEMENT

The form of peaking storage service agreement is set

forth in Part 5 of this tariff.