Iroquois Gas Transmission System, L.P.
FIRST REVISED VOLUME NO. 1
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Effective Date: 01/01/1996, Docket: RP96- 63-000, Status: Effective
First Revised Sheet No. 44 First Revised Sheet No. 44 : Effective
Superseding: Original Sheet No. 44
is at a temperature of 60 degrees Fahrenheit, and at a
pressure of 14.73 pounds per square inch absolute.
2.15 Mcf. The term "Mcf" shall mean 1,000 cubic feet of
2.16 British Thermal Unit or Btu. The term "British
thermal unit" or "Btu" shall mean the amount of heat required to
raise the temperature of one pound of distilled water 1 degree
Fahrenheit at 60 degrees Fahrenheit, at a constant pressure of
14.73 pounds per square inch absolute.
2.17 Dekatherm or Dth. The term "Dekatherm" or
"Dth" shall mean the quantity of heat energy which is
1,000,000 British thermal units.
2.18 Total Heating Value. The term "total heating
value," when applied to a cubic foot of gas, means the
number of British thermal units produced by the combustion
in a recording calorimeter at constant pressure, of the
amount of gas which would occupy a volume of one cubic foot
at a temperature of 60 degrees Fahrenheit, with the gas
free of water vapor, and under a pressure equal to that of
30 inches of mercury at 32 degrees Fahrenheit and under a
standard gravitational force (acceleration of 980.665 cm
per second per second) with air of the same temperature and
pressure as the gas, when the products of combustion are
cooled to the initial temperature of the gas and air, and
when the water formed by combustion is condensed to the
2.19 Gas. The term "gas" shall mean natural gas
of the quality specified in Section 9 of these General
Terms and Conditions.
2.20 System Capacity. The System Capacity
available for transportation and park and loan service on
Transporter's system shall be determined by Transporter,
to the best of its ability, by performing a computer
simulation of the system taking into account nominated
Scheduled and Equivalent Quantities, the available
facilities, the gas characteristics and the linepack gain
or loss required for that day.