Questar Pipeline Company

First Revised Volume No. 1

Effective Date: 10/01/2009, Docket: RP09-1030-000, Status: Effective

Fourth Revised Sheet No. 46D Fourth Revised Sheet No. 46D

Superseding: Third Revised Sheet No. 46D

PART 1

GENERAL TERMS AND CONDITIONS

(Continued)

(f) Conduct that threatens the viable operations of Questline or

wrongly interferes with the business transactions of another party.

Questar shall provide immediate notice via facsimile transmission and/or

letter of its intent to revoke a party's logon and password to Questline and

the reasons for taking such action.

2.7 Electronic Data Interchange. Questar will also maintain an

Internet server and Internet address for conducting business transactions

via the Electronic Delivery Mechanism standards adopted by Order No. 587, et

al. and incorporated into this tariff by reference in § 29 of these General

Terms and Conditions. For electronic data interchange transactions, Questar

will enter into a trading partner agreement with interested parties. Questar

will adopt the NAESB Model Trading Partner Agreement reflecting Internet

standards. Questar's Electronic Data Interchange contact is listed on

Questar's web site and the Customer Service Department contact is listed in §

2.6.