Trailblazer Pipeline Company

Fourth Revised Volume No. 1

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Effective Date: 12/28/2007, Docket: RP08-168-000, Status: Effective

Original Sheet No. 127 Original Sheet No. 127 : Effective

GENERAL TERMS AND CONDITIONS

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6.5 INTERRUPTIBLE AND OVERRUN SERVICES

This Section 6.5 governs the priority of interruptible

services, including overrun, other than secondary point services

under firm Agreements, on Trailblazer's System. All interruptible

services, including overrun, shall have equal priority for capacity

in accordance with the procedures set out in this Section 6.5.

(a) Service within MDQ under any firm Rate Schedule

shall have priority over all interruptible and overrun services.

Confirmed nominations under any firm Agreement, including service at

secondary points, shall have priority over all interruptible service

and overrun services. If more than one such Shipper tenders gas at a

point, receipts shall be allocated among such Shippers in accordance

with the sequences set out in the remainder of this Section.

(b) Trailblazer's interruptible transportation service,

including overrun, other than service at secondary points under firm

Agreements (which is covered in Section 6.3), shall be provided to

the extent capacity is available after scheduling all of

Trailblazer's firm transportation service at primary and/or

secondary points. Trailblazer may decline to schedule and/or may

curtail interruptible service for any of the following reasons:

(1) If Shipper tenders gas which does not conform

to the applicable pressure or quality requirements of these General

Terms and Conditions;

(2) For reason of Force Majeure;

(3) Due to routine repair and maintenance to be

reasonably determined by Trailblazer;

(4) Pursuant to Section 6.9 of these General Terms

and Conditions;

(5) To rectify imbalances or to conform physical

flows to nominations to the extent consistent with the specific Rate

Schedule;

(6) To maintain System integrity;

(7) If there is a dispute over title, ownership or

right to tender or receive gas; or

(8) If capacity is required to provide a service

with higher priority.