Questar Pipeline Company

First Revised Volume No. 1

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Effective Date: 07/25/2005, Docket: RP05-401-000, Status: Effective

Eleventh Revised Sheet No. 1 Eleventh Revised Sheet No. 1 : Effective

Superseding: Tenth Revised Sheet No. 1

TABLE OF CONTENTS

Sheet No.

Preliminary Statement 2

Map 4

Statement of Rates 5

PART 1 - Transportation

Rate Schedules -

Firm Transportation Service (T-1) 10

No-Notice Transportation Service (NNT) 20

Interruptible Transportation Service (T-2) 30

Parking and Loaning Service (PAL2) 34

General Terms and Conditions 40

1. Definitions 41

2. Pipeline Internet Page and Questline 46

3. Questline Contracting/Capacity Release

Procedures 48

4. Request for Interruptible Service 49

5. Acquiring NNT and Firm Service 50

6. Capacity Release and Assignment 56A

7. Exercise of Right of First Refusal 67

8. Creditworthiness 69

9. Priority and Interruption of

Transportation Service 71

10. Use of Receipt and Delivery Points 72

11. Operating Provisions for Transportation

and Storage Services 75

12. Balancing of Transportation Quantities 77

13. Quality of Gas 82A

14. Measurement 84

15. Facilities 88A

16. Gas Research Institute 89

17. Annual Charge Adjustment 90A

18. Billing and Payment 91

19. Title and Claims Against Gas 94

20. Liability 94

21. Force Majeure 94A

22. Assignment 95

23. Non-Waiver of Future Defaults 95

24. Standards of Conduct 95

25. Section 25 is Reserved for Future Use 97

26. Failure to Comply With Terms 97

27. Section 27 is reserved for future use 98

28. Discounting Policy 99

29. North American Energy Standards Board

(NAESB) Standards 99A

30. Negotiated Rates 99F

31. Segmentation 99J

32. Off-System Services 99L

33. Applicable Law ............................................. 99L