Northern Natural Gas Company                                             Second Revised Sheet No. 131
FERC Gas Tariff                                                                           Superseding
Fifth Revised Volume No. 1                                                First Revised Sheet No. 131

                                    RATE SCHEDULE TI
                             Interruptible Throughput Service


                   Unless otherwise mutually agreed to by Northern and Shipper,
                   all rates for service under (a) and (b) above of this Rate Schedule
                   shall be within the minimum and maximum levels shown on Sheet Nos. 52
                   and 53, respectively.  The rate(s) Shipper shall pay will be set forth in
                   Shipper's Service Agreement, or otherwise agreed to in writing.
                   Northern will provide similar rates to similarly situated Shippers
                   upon request.

                   Other rates and charges for service under this Rate Schedule shall
                   include each of the following:

                   (c)  A.C.A. Charge
                        -------------

                        Shipper shall pay the applicable Annual Charge Adjustment ("A.C.A.")
                        pursuant to Section 36 of the "GENERAL TERMS AND CONDITIONS" for
                        volumes transported for Shipper.

                   (d)  Fuel
                        ----

                        This Section (d), "Fuel", shall apply to all throughput.



































Issued by: Mary Kay Miller, V.P. Regulatory and Customer Service
Issued on: July 30, 2004                                                   Effective: August 1, 2004