Midwestern Gas Transmission Company

Third Revised Volume No. 1

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Effective Date: 01/01/2002, Docket: RP02- 72-000, Status: Effective

Original Sheet No. 221 Original Sheet No. 221 : Effective

GENERAL TERMS AND CONDITIONS

3. MEASUREMENT REPORTING AND SCHEDULING OF RECEIPTS AND DELIVERIES (Continued)

3.2 Measurement Reporting (Continued)

3.2.5 Deviation from Boyle's Law

The deviation of the natural gas from Boyle's Law shall be determined

by the use of the tables of formulae published by the American Gas

Association Par Research Project NX-19 corrected for carbon dioxide

(CO2) and nitrogen (N2), or any applicable formulae published by the

American Gas Association. The molecular percentage of N2 and CO2 shall

be determined at approximately the same time or from the same analyzed

gas sample used for the determination of heating value and shall be

used to determine the compressibility factors, with corrections for

temperature and pressure.

3.2.6 Calculation of Dekatherm Quantity

The measured Dekatherm quantity of natural gas shall be determined by

multiplying the volume of gas in Mcf by the ratio of the heating value

per cubic foot to 1,000.

3.3 Measurement Closing

The closing of measurement shall be no later than the fifth (5th) Business Day

after the close of the Production Month.

3.4 Allocation of Receipt and Delivery Point Measurement

3.4.1 Allocation of Receipts Pursuant to Operational Balancing Agreement

Unless prohibited by applicable law or regulation, the Dekatherm

quantity of gas received by Company at any receipt point shall be

allocated in accordance with the allocation procedures specifically

agreed to by Company and the Balancing Party at the receipt point(s) as

set forth in the Operational Balancing Agreement governing the point;

provided, however, Company will not be required to enter into such

arrangements with a party if that party does not meet Company's

creditworthiness provisions set forth in Section 25 of the General

Terms and Conditions.

3.4.2 Allocation of Deliveries Pursuant to the Operational Balancing

Agreement

Unless prohibited by applicable law or regulation, the Dekatherm

quantity of gas delivered by Company at any delivery point shall be

allocated in accordance with the allocation procedures specifically

agreed to by Company and the Balancing Party, as set forth in the

Operational Balancing Agreement governing the point provided, however,

Company will not be required to enter into such allocating arrangements

with: (i) a party if that party does not meet Company's

creditworthiness provisions set forth in Section 25 of the General

Terms and Conditions or, (ii) a market aggregator if the aggregator

does not demonstrate that it has the physical or contractual ability to

control the flow of gas at the applicable delivery point(s) and the

contractual right to allocate gas deliveries at such point(s).