Southern Natural Gas Company

Seventh Revised Volume No. 1

Effective Date: 11/01/1997, Docket: RP97-137-010, Status: Effective

Second Revised Sheet No. 96 Second Revised Sheet No. 96 : Effective

Superseding: First Revised Sheet No. 96

GENERAL TERMS AND CONDITIONS

1. DEFINITIONS

The following terms shall have the meanings defined below:

(a) Natural Gas or Gas - Natural gas processed or unprocessed, vaporized liquid

natural gas, synthetic gas, or any mixture of these gases which meets the

quality specifications set out in Section 3 of these General Terms and

Conditions.

(b) Day - A period of twenty-four (24) consecutive hours beginning at 9:00 a.m.

Central Clock Time. The date of a day shall be that of its beginning.

ending on the commencement of the first day of the next succeeding calendar

month.

(d) Btu - A British Thermal Unit measured at a pressure of 14.73 psia at 60

degrees Fahrenheit (101.325kPa and 15 degrees Celsius) on a dry basis.

(e) MMBtu - 1,000,000 Btu's. One MMBtu is equivalent to one dekatherm.

(f) Cubic Foot - The quantity of gas necessary to fill a cubic foot of space when

the gas is at an absolute pressure of 14.73 pounds per square inch and at a

temperature of 60 degrees Fahrenheit on a dry basis. (For gas volumes

reported in cubic meters, the standard conditions are 101.325 kPa, 15

degrees Celsius, and dry.)

(g) Mcf - 1,000 cubic feet of natural gas.

(h) Liquids - Those hydrocarbon liquids (commonly called "condensate") produced

in association with gas sold to SHIPPER which are injected into

COMPANY'S pipeline system and are finally removed from COMPANY'S

pipeline system at a liquid separation facility; provided, however, that liquids

shall not include crude oil.

(i) Liquefiables - Those hydrocarbons produced in conjunction with gas sold to

SHIPPER and included in the gas stream measured at the Receipt Point

which are liquefied by, recovered by, lost and/or