Mississippi River Transmission Corp.

Third Revised Volume No. 1

Effective Date: 11/01/1993, Docket: RS92- 43-004, Status: Effective

Original Sheet No. 143 Original Sheet No. 143 : Superseded

GENERAL TERMS AND CONDITIONS

(Continued)

10. TRANSPORTATION BALANCING (Continued)

remaining at the end of the three month period due Customer,

MRT shall retain the excess gas at no cost, free and clear

of any adverse claims by any party, and the imbalance shall

be deemed eliminated. Any current month imbalance created

subsequent to the effective date of this tariff will first

be applied to correct any pre-existing imbalance.

10.5 Monthly Balancing

(a) By the twenty-fifth day of each month, MRT shall

notify each Customer receiving service under Rate Schedule FTS,

ITS or SCT, or Pool Operator, in writing of the Customer's or

Pool's estimated or actual imbalance based upon the quantities

received and delivered in the prior month.

(b) MRT shall determine the imbalance quantity for each

month on an MMBtu basis.

Balancing Option

(i) An NNT Customer must notify MRT prior to the

beginning of the month of its election to use the monthly

balancing service contained in this Section 10.5(c) herein.

(ii) MRT will automatically inject quantities into or

adjust quantities from storage to accommodate the daily

variance between actual receipts and actual deliveries,

adjusted for fuel reimbursement, provided the NNT Customer

holds sufficient firm storage capacity, storage inventory

and deliverability, and firm transportation capacity to

accommodate such adjustments, and such injection and

withdrawal conforms to the schedules set forth in Rate

Schedule FSS.