Questar Overthrust Pipeline Company

Second Revised Volume No. 1-A

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Effective Date: 04/25/2007, Docket: RP07-360-000, Status: Effective

Original Sheet No. 101 Original Sheet No. 101 : Effective

GENERAL TERMS AND CONDITIONS

18.2 No event of force majeure affecting the performance by Overthrust

or Shipper shall relieve such party of liability in the event of failure to

use due diligence to remedy the situation and to remove the cause in an

adequate manner and with all reasonable dispatch, nor shall such causes or

contingencies affecting such performance relieve either party from its

obligations to make payments as determined under the applicable rate

schedule. Any event of force majeure which results in Overthrust's inability

to transport all or any portion of Shipper's gas or any event of force

majeure which results in Shippers' inability to tender gas to Overthrust for

transportation shall not operate to suspend or otherwise affect in any way

Shipper's obligation to pay the applicable reservation charge. During any

period when receipts are suspended in whole or in part due to force majeure

as defined above, Overthrust may use excess capacity created thereby to

transport or exchange any other volumes of gas made available to it. Such

use of excess capacity shall not interfere with Shipper's right to have its

gas transported.

19. RESPONSIBILITY FOR GAS

As between Shipper and Overthrust, Shipper shall be responsible for its

gas until such has been delivered to Overthrust at the points of receipt.

Overthrust shall be responsible for the gas in any instance while it is in

its system between the point of receipt and the point of delivery. After

such gas has been delivered to or for the account of Shipper by Overthrust at

the point of delivery specified in the service agreement, Shipper shall again

be responsible for the gas. The party which shall be responsible for such

gas shall bear liability for all injury or damage caused thereby.

Notwithstanding anything to the contrary stated in these General Terms and

Conditions, Shipper shall indemnify Overthrust for all injury, damage, loss

or liability of Overthrust caused by Shipper's delivery of off-specification

gas.