Iroquois Gas Transmission System, L.P.

FIRST REVISED VOLUME NO. 1

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Effective Date: 11/01/2002, Docket: RP00-411-002, Status: Effective

Third Revised Sheet No. 46A Third Revised Sheet No. 46A : Effective

Superseding: Sub. Second Revised Sheet No. 46A

2.25 Equivalent Quantities

(a) Equivalent Quantity. The Equivalent Quantity

shall be that quantity of natural gas to be made available on

any day to or on behalf of Shipper at one or more Delivery

Point(s), which quantity shall be the thermal equivalent of the

Input Quantity delivered to Transporter at the Receipt Point(s)

by or on behalf of Shipper on that day, adjusted by the

applicable Measurement Variance/Fuel Use Quantity (unless, in the

case of a positive Measurement Variance/Fuel Use Factor, Shipper

provides the applicable Measurement Variance/Fuel Use Quantity

to Transporter at the Receipt Point).

(b) Maximum Equivalent Quantity. The Maximum

Equivalent Quantity on each day shall be the maximum quantity,

as set forth in Schedule 2 appended to the Gas Transportation

Contract between Shipper and Transporter, which Shipper may

request Transporter to make available at one or more delivery

points on a primary basis. The Maximum Equivalent Quantity

for a Shipper shall be the thermal equivalent of the Maximum

Input Quantity for that Shipper as defined in Section 2.24(b).