Enbridge Pipelines (AlaTenn) L. L. C.

FOURTH REVISED VOLUME NO. 1

Effective Date: 10/11/2002, Docket: RP03- 40-000, Status: Effective

Original Sheet No. 170 Original Sheet No. 170 : Effective

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