Questar Overthrust Pipeline Company

Second Revised Volume No. 1-A

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

Original Sheet No. 107 Original Sheet No. 107 : Effective

GENERAL TERMS AND CONDITIONS

or any ongoing transportation service, Shipper may request a Shipper Inquiry

Form, an example of which is set forth in this tariff at Sheet No. 79.

Shipper shall complete the inquiry form and return it to:

Questar Overthrust Pipeline Company

c/o Gary A. Schmitt

Manager of Capacity Marketing and Business Development

Questar Pipeline Company

180 East 100 South

Salt Lake City, UT 84111

FAX: (801) 324-2684

Overthrust shall respond initially within 48 hours of receipt of Shipper's

inquiry. Each inquiry will be noted on the transportation request log. Each

inquiry shall be investigated, and Overthrust shall inform Shipper in writing

within 30 days of receipt of Shipper's inquiry of any action taken.

Overthrust shall maintain a separate file for all Shipper inquiries and

Overthrust's responses.