Revision No.___________
                                                      Control No. ___________
   
                                  Appendix A
                    to the Service Agreement No. __________
                            Under FSS Rate Schedule
                                    Between
                 Caledonia Energy Partners, L.L.C. (Caledonia)
                                      And
                      ________________________ (Customer)
                            Dated ________________
Maximum Storage Capacity (MSC)               _______________
Maximum Daily Injection Quantity (MDIQ)          _______________
Maximum Daily Withdrawal Quantity (MDWQ)     _______________
Ratchet Levels:
The quantities of Gas that Customer may inject or withdraw, pursuant to this
FSS Service Agreement shall be determined by the following ratchets, as a
percentage of MDIQ and MDWQ.
Maximum Daily Injection Quantity Subject to the following Ratchets:
  Storage            Storage       MDIQ        Available Daily Injection
 Inventory*         Inventory    Percentage %    Quantity (ADIQ) (Dth)
   
  0   to ____%      _________     _________      ___________________
   
____ to ____ %      _________     _________      ___________________
   
____ to ____ %      _________     _________      ___________________
   
____ to ____ %      _________     _________      ___________________
   
____ to ____ %      _________     _________      ___________________
   
   
   
Maximum Daily Withdrawal Quantity Subject to the following Ratchets:
  Storage            Storage       MDIQ        Available Daily Injection
 Inventory*         Inventory    Percentage %    Quantity (ADIQ) (Dth)
   
  0   to ____%      _________     _________      ___________________
   
____ to ____ %      _________     _________      ___________________
   
____ to ____ %      _________     _________      ___________________
   
____ to ____ %      _________     _________      ___________________
   
____ to ____ %      _________     _________      ___________________
   
* - Storage Balance expressed as a percentage of Customer s MSC.
   
Receipt Point:  ___________________________________________________