Questar Southern Trails Pipeline Company

Original Volume No. 1

Effective Date: 10/14/2008, Docket: CP99-163-004, Status: Effective

First Revised Sheet No. 84 First Revised Sheet No. 84

Superseding: Original Sheet No. 84

GENERAL TERMS AND CONDITIONS

(ii) Shipper is told by Southern Trails that the upstream

confirming party did not conduct the confirmation;

(iii) Shipper is told by Southern Trails that the upstream

Shipper did not have the gas or submit the nomination;

(iv) Shipper is told by Southern Trails that the downstream

confirming party did not conduct the confirmation;

(v) Shipper is told by Southern Trails that the downstream

Shipper did not have the market or submit the nomination.

This information shall be imparted to the Shipper on the Scheduled

Quantity document.

14.5 Nomination Standards and Requirements.

(a) Intra-day nominations may be used to nominate new supply or

market and request increases or decreases in total flow, changes to receipt

points, or changes to delivery points of scheduled gas. Intra-day nominations

do not rollover (i.e., intra-day nominations span one day only). Intra-day

nominations do not replace the remainder of a standing nomination. There is

no need to re-nominate if intra-day nomination modifies existing nomination.

(b) Overrun quantities shall be requested on a separate

transaction.

based on a daily quantity; thus, an intra-day nominator need not submit an

hourly nomination. Intra-day nominations shall include an effective date and

time. The interconnected parties shall agree on the hourly flows of the

intra-day nomination, if not otherwise addressed in Shipper's contract or

tariff.

15. BALANCING OF GAS

15.1 General Provision.

(a) Shipper shall monitor and control its receipts and

deliveries of gas and, if necessary, make appropriate