Northern Natural Gas Company

Fifth Revised Volume No. 1

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Effective Date: 02/21/2009, Docket: RP01-223-004, Status: Effective

Seventh Revised Sheet No. 206 Seventh Revised Sheet No. 206 : Pending

Superseding: Substitute Sixth Revised Sheet No. 206



Primary Delivery Point. The term "Primary Delivery Point" shall mean those delivery

points listed on Appendix A of the TF, TFX, VFT, or LFT Service Agreement with a specified

firm volume assigned.


Primary Receipt Point. The term "Primary Receipt Point" shall mean those receipt

points listed on Appendix A of the TF, TFX, VFT, or LFT Service Agreement with a specified

firm volume assigned. In addition, a MID pooling point will be considered a Primary

Receipt Point to the extent the Shipper holds primary receipt capacity within the same



Purchaser. The term "Purchaser" shall mean any entity purchasing gas from Northern in

accordance with the provisions of this Tariff, or any entity which qualifies for

service under Northern's Rate Schedule SF.


Receipt Point. The term "Receipt Point" or "Point of Receipt" shall mean the point,

which may or may not be a physical point, at which the Shipper delivers gas to



Receipt Point Operator. The term "Receipt Point Operator" shall include any person

interconnected to Northern or acting as agent for the interconnected party who is

authorized to confirm Shipper receipt point nominations and insure, in cooperation

with the Shipper and other parties in the confirmation path, that physical flows

conform to the receipt point nominations. The Receipt Point Operator must have the

ability to control or cause the control of the physical operation of the facilities

interconnected to Northern.


Recourse Rate. The term "Recourse Rate" shall mean the Commission approved maximum tariff

rates as set forth on Sheet Nos. 50 through 68, as modified from time to time.


Residue Gas. The term "Residue Gas" shall mean that portion of gas remaining after

the deduction therefrom of PVR.


Right of Way Grantor. The term "Right of Way Grantor" shall mean a party who grants a

strip of land, the use of which is acquired for the construction and operation of the



Shipper. The term "Shipper" shall be defined to be a party who: 1) requests

transportation under a Throughput Service Rate Schedule; or 2) executes a Throughput

Service Agreement.


Shrinkage. The term "Shrinkage" shall mean the actual gallons of plant products

extracted at a processing plant converted to Btu's.


Small Customers. Small Customers are those listed on Appendix C of

the Global Settlement and found on Sheet No. 510 of this Tariff.


Thermally Equivalent Volumes. The term "thermally equivalent volumes" shall mean that

during any given period of time the volumes of gas delivered hereunder at the Point(s)

of Delivery multiplied by the total heating value of the gas at the delivery point(s)

shall equal the volumes of gas received at the point(s) of receipt

multiplied by the total heating value of the gas at the receipt



Tier Relationship Factors. The term "Tier Relationship Factors" shall mean the

mathematical relationship of the rates for the Market Area TF12 Base, TF12 Variable, and

TF5, and the Field Area TFF Throughput Services. The Tier Relationship Factors for the

Reservation Rates shall be as follows:


Winter Months Summer Months

Services (Nov-Mar) (Apr-Oct) Annual

-------- ------------- ------------- ------


Market Area: TF 12 Base 1.35 .75 12.0

TF 12 Variable 1.83 .75 14.4

TF 5 2.00 N/A 10.0

Field Area: TFF 1.35 .75 12.0