Questar Southern Trails Pipeline Company

Original Volume No. 1

Effective Date: 07/15/2004, Docket: RP04-329-000, Status: Effective

First Revised Sheet No. 83 First Revised Sheet No. 83 : Effective

Superseding: Original Sheet No. 83

GENERAL TERMS AND CONDITIONS

(d) In accordance with 18 C.F.R. § 284.12(b)(1)(i)(B) (2003), an

intra-day nomination submitted on the day prior to gas flow will take effect

at the start of the gas day at 9:00 a.m.

14.4 Unconfirmed Nominations. Unconfirmed nomination procedures shall

conform to NAESB Standard 1.3.22(i)-(iv) as follows:

(a) With respect to the timely nomination/ confirmation process

at a receipt or delivery point, in the absence of agreement to the contrary,

the lesser of the confirmation quantities should be the confirmed quantity.

If there is no response to a Request For Confirmation or an unsolicited

Confirmation Response, the lesser of the confirmation quantity or the

previously scheduled quantity should be the new confirmed quantity.

(b) With respect to the processing of requests for increases

during the intraday nomination/confirmation process, in the absence of

agreement to the contrary, the lesser of the confirmation quantities should be

the new confirmed quantity. If there is no response to a Request For

Confirmation or an unsolicited Confirmation Response, the previously scheduled

quantity should be the new confirmed quantity.

during the intraday nomination/confirmation process, in the absence of

agreement to the contrary, the lesser of the confirmation quantities should be

the new confirmed quantity, but in any event no less than the elapsed-

prorated-scheduled quantity. If there is no response to a Request For

Confirmation or an unsolicited Confirmation Response, the greater of the

confirmation quantity or the elapsed-prorated-scheduled quantity should be the

new confirmed quantity.

(d) With respect to § 14.4 (a)-(c) above, if there is no

response to a Request For Confirmation or an unsolicited Confirmation

Response, Southern Trails shall provide the Shipper with the following

information to explain why the nomination failed, as applicable:

(i) Southern Trails did not conduct the confirmation;