3.     OVERRUN SERVICE
(a)     Provided injections and withdrawals can be accepted without impeding
Caledonia s ability to meet prior service obligations, a request by Customer
to make injections in excess of its ADIQ or withdrawals in excess of its ADWQ
may be submitted to Caledonia.  In the event that Customer makes such request,
Caledonia will confirm the request to the extent that (1) additional
flexibility exists during the time period of the request, and (2) Caledonia,
using reasonable discretion, can operationally accommodate the request.
   
   
(b)     Caledonia shall have the right to interrupt or not schedule all or
part of the overrun quantity nominated, as the operation of its facilities in
its reasonable judgment may require, subject to Sections 4.1 through 4.4 of
the General Terms and Conditions of this Tariff, in which event Caledonia
shall notify Customer.
   
4.     RATES AND CHARGES
(a)     The charges to be paid by Customer, as set forth in paragraph (b)
below, shall be mutually agreed to by Caledonia.
   
(b)     For all storage service rendered under this ILS Rate Schedule,
Customer shall pay Caledonia each Month service is offered, the charges as set
forth below or other mutually agreed upon charges.
   
(i)     Loan Capacity Charge.  A charge, as set forth in Exhibit A of
Customer s AILS Service Agreement, for each Dth of Customer s Maximum Advanced
Interruptible Loan Quantity (if a reservation fee is charged), or Customer s
negative Advanced Interruptible Storage Balance (if a volumetric fee is
charged), as the case may be.  The charge may be on a daily, monthly, or other
basis per agreement between Customer and Caledonia.
   
(ii)     Injection Charge.  A charge, as set forth in Exhibit A of Customer s
AILS Service Agreement, for each Dth injected up to the ADIQ by Caledonia for
Customer s account on each Day of a given Month.
   
(iii)     Withdrawal Charge.  A charge, as set forth in Exhibit A of
Customer s AILS Service Agreement, for each Dth of Gas withdrawn up to the
ADWQ by Caledonia for Customer s account on each Day of a given
Month.
   
(iv)     Authorized Overrun Injection Charge.  A charge, as set forth in
Exhibit A of Customer s AILS Service Agreement, for each Dth of Gas injected
in excess of Customer s ADIQ on each Day of a given
Month.
   
(v)     Authorized Overrun Withdrawal Charge.  A charge, as set forth in
Exhibit A of Customer s AILS Service Agreement, for each Dth of
Gas