Questar Pipeline Company

First Revised Volume No. 1

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Effective Date: 08/01/2002, Docket: RP00-397-002, Status: Effective

Sixth Revised Sheet No. 81A Sixth Revised Sheet No. 81A : Effective

Superseding: Fifth Revised Sheet No. 81A

Part 1

General Terms and Conditions

(Continued)

(e) When a shipper desires to physically repay or

take deliveries of gas, either the shipper or the TPP must

have the necessary transportation, storage, receipt and

delivery point capacity to allow for the delivery of the

gas.

(f) Neither the shipper nor the TPP may

transport or trade gas to which they do not hold title.

12.13 Maintenance of System Integrity. Nothing in

this section limits Questar's right to take action as may be

required, including the issuance of OFOs, to adjust receipts

and deliveries of gas in order to alleviate conditions that

threaten the integrity of its system, including maintenance

of service to higher priority customers. The declaration to

the affected parties of OFOs, critical periods, and/or

critical notices shall describe the conditions and the

specific responses required from the affected parties.

12.14 Notice Procedures of OFO Conditions. Questar

will monitor pipeline activity on a continual basis to

foresee and forewarn shippers, where possible, of conditions

requiring an OFO, including (i) physical inability to

transport gas due to operational constraints, (ii) force

majeure as described in the definitions of these General

Terms and Conditions, (iii) unexpected operating conditions

such as peak demand, shipper imbalances, weather impacts,

impacts caused by interconnecting pipelines, etc. Upon

issuance of an OFO, notification will be posted on Questar's

Informational Postings and Questar will support further

notification, to be designated by shipper, through the

following channels: (1) up to two internet e-mail addresses

provided by shipper or (2) additional electronic

notification designated by shipper. The notice shall

specify (i) the time and date of issuance of the notice,

(ii) the actions that affected shippers are required to

take, (iii) the nature of the problem sought to be

addressed, (iv) the time by which affected shippers must

comply with the OFO, (v) the anticipated duration of the OFO

(unless otherwise indicated in the notice, the OFO will

remain in effect until Questar contacts the affected

shippers), and (vi) the ongoing status and progress of

resolution of the OFO and any other conditions. Shippers

must notify Questar of the name and telephone number of a