Trunkline LNG Company

Original Volume No. 1

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Effective Date: 12/01/1989, Docket: CP87-418-001, Status: Effective

Original Sheet No. 53 Original Sheet No. 53 : Effective

RATE SCHEDULE PLNG-2 (Continued)

"Gross Heating Value (GHV)": The quantity of heat

produced by the combustion in air under constant pressure of

one cubic meter of anhydrous gas, the air being at the same

temperature and the same pressure as the gas, after the cooling

of the products of combustion to the initial temperature of the

gas and the air and after condensation of the water created by

the combustion. Appropriate corrections will be made if the

initial conditions of the air and the gas do not equal 0øC and

1.01325 Bars.

"Incremental Cost Charge": The meaning given in

section 4.2.

"Liquefied Natural Gas" and "LNG": Natural Gas in a

liquid state at or below its point of boiling and at or near

atmospheric pressure.

"month": The period beginning at 8 a.m. Central Time

on the first day of a calendar month and ending at 8 a.m.

Central Time on the first day of the next succeeding calendar

month.

"Natural Gas": Any saturated hydrocarbon or mixture

of saturated hydrocarbons consisting essentially of methane and

other combustible and non-combustible gases in a gaseous state

and which is extracted from the subsoil in its natural state,

separately or together with liquid hydrocarbons.

"Normal Cubic Meter (Nm3)": The quantity of

natural gas occupying a volume of one cubic meter at a

temperature of 0øC and at a pressure of 1.01325 Bars.

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