Midcoast Interstate Transmission, Inc.

Second Revised Volume No. 1

Effective Date: 10/01/1997, Docket: GT97- 71-000, Status: Effective

First Revised Sheet No. 126 First Revised Sheet No. 126 : Effective

Superseding: ORIGINAL SHEET NO. 126

GENERAL TERMS AND CONDITIONS (Continued)

(7) Firm Service: Service from schedules or contracts under

which Seller is expressly obligated to deliver specific

volumes within a given time period and which anticipates no

interruptions, but which may permit unexpected

interruption in case the supply to higher priority

customers is threatened.

(8) Interruptible Service: Service from schedules or

contracts under which Seller is not expressly obligated to

deliver specific volumes within a given time period, and

which anticipates and permits interruption on short

notice, or service under schedules or contracts which

expressly or impliedly require installation of alternate

fuel capability.

(9) Plant Protection Gas: Is defined as minimum volumes

required to prevent physical harm to the plant facilities

or danger to plant personnel when such protection cannot be

afforded through the use of an alternate fuel.

This includes the protection of such material in process as

would otherwise be destroyed, but shall not include

deliveries required to maintain plant production. For the

purposes of this definition, propane and other gaseous

fuels shall not be considered alternate fuels.

(10) Feedstock Gas: Is defined as natural gas used as a raw

material for its chemical properties in creating an end

product.

(11) Process Gas: Is defined as gas use for which alternate

fuels are not technically feasible such as in applications

requiring precise temperature controls and precise flame

characteristics. For the purposes of this definition,

propane and other gaseous fuels shall not be considered

alternate fuels.

(12) Boiler Fuel: Is considered to be natural gas used as a

fuel for the generation of steam or electricity, including

the utilization of gas turbines for the generation of

electricity.

(13) Alternate Fuel Capabilities: Is defined as a situation

where an alternate fuel could have been utilized