Colorado Interstate Gas Company

First Revised Volume No. 1

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Effective Date: 06/01/2010, Docket: RP10-689-000, Status: Effective

Second Revised Sheet No. 229.01 Second Revised Sheet No. 229.01

Superseding: First Revised Sheet No. 229.01





1.5 Average Thermal Content of Gas in Storage ("ATC") continued


(c) Average Thermal Content of Gas in Totem Storage ("Totem

Storage ATC") shall be calculated by dividing the Dekatherms

by the Volume, in Mcf, in Transporter's Totem Storage Fields,

excluding base Gas, at the point in time. The Totem Storage

ATC shall be assumed to be 1,000 Btu per cubic foot for

purposes of contract entitlement and rate design. Transporter

shall monitor storage injections and withdrawals and calculate

the actual Totem Storage ATC of Gas in storage on October 31

of each year. If the actual Totem Storage ATC deviates from

the currently effective Totem Storage ATC by more than plus or

minus 20 Btu per cubic foot, the actual Totem Storage ATC

shall become the new effective Totem Storage ATC and shall be

posted on Transporter's electronic bulletin board and on

Transporter's Web Site under Informational Postings, by

November 15 of each year, and a corresponding adjustment will

be made to Shipper's TMDIQ, TMDWQ and TMAC entitlements.

Transporter may make these annual adjustments for smaller

changes in Btu per cubic foot values if in Transporter's

judgment such change is required to avoid system disruption.


(d) Any adjustment to ATC will be posted on Transporter's

electronic bulletin board as a percentage increase or decrease

in entitlements and each firm storage customer's adjusted

entitlements will also be posted. The adjusted entitlements

will take effect upon posting. If an adjustment pursuant to

this Section 1.5 causes Shipper to be in an overrun situation,

Shipper will have 30 Days before being subject to overrun

charges. When an adjustment to storage contract entitlement is

made pursuant to this Section 1.5, a corresponding adjustment

to storage rates will also be made effective the first of the

Month, the Month following the date such adjustment is posted

on Transporter's electronic bulletin board.


1.6 "Begin Date" shall mean the Day specified by a Shipper on which a

Gas transaction is to begin. Most Gas transactions are to be

effective for a full Gas Day. However, Shippers may indicate a

requested beginning time when submitting Intraday Nominations.


1.7 "Bidding Shipper(s)" is any Shipper who is prequalified pursuant to

Section 9 of the General Terms and Conditions to bid for capacity or

who is a Party to a prearranged release.