Southern Natural Gas Company

Seventh Revised Volume No. 1

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Effective Date: 01/09/2009, Docket: RP09-147-000, Status: Effective

Eighth Revised Sheet No. 3 Eighth Revised Sheet No. 3

Superseding: Seventh Revised Sheet No. 3

TABLE OF CONTENTS

(Continued)

VOLUME NO. 2 Sheet No.

Rate Schedules

X-16 Agreement with United Gas Pipe Line Company for Exchange of Gas at Interconnections

in Tangipahoa Parish, Louisiana and Kosciusko, Mississippi................................. 120

X-17 Agreement with United Gas Pipe Line Company for Exchange of Gas at Interconnections

in West Carroll Parish, Louisiana and Kosciusko, Mississippi............................... 125

X-19 Agreements with United Gas Pipe Line Company for Exchange of Gas at Interconnections

in Bienville Parish, St. Mary Parish, near Perryville, Louisiana and Near Kosciusko,

Mississippi................................................................................ 135

X-21 Agreement with United Gas Pipe Line Company and Sea Robin Pipeline Company for Three-

Way Exchange of Gas near Erath, Vermilion Parish, Louisiana; near Bayou Sale, St. Mary

Parish, Louisiana; and at Venice Gas Processing Plant, Plaquemines Parish, Louisiana....... 157

X-31 Agreement with Cone Mills Corporation and Nabisco, Inc. for Transportation of Gas

from Bayou Henry Receiving Station, Iberville Parish, Louisiana to an Interconnection

with Gas Gathering Corporation in St. Martin Parish, Louisiana............................. 255

X-34 Agreement with United Gas Pipe Line Company for Exchange of Gas produced from Block

140 Main Pass Area, offshore Louisiana..................................................... 294

X-37 Agreement with Austell Natural Gas Company and Chattanooga Gas Company for Transport-

ation of gas by Southern to Chattanooga for Austell's account.............................. 330

X-38 Agreement with United Gas Pipe Line Company for Exchange of Gas at Interconnection in

Terrebonne Parish, Louisiana and United's Bayou Sale Compressor Station in St. Mary

Parish, Louisiana.......................................................................... 335

X-40 Agreement with United Gas Pipe Line Company for Exchange of Gas in Loisel Area, Iberia

parish, Louisiana for an equal quantity of gas at existing authorized points of

interconnection............................................................................ 352

X-45 Agreement with Mid Louisiana Gas Company for Exchange of Gas purchased under the Eloi

Bay Field contract......................................................................... 421

X-48 Agreement with Transcontinental Gas Pipe Line Corporation for Transport of Gas from

Bayou Postillion Field, Iberia Parish, Louisiana to interconnection near Jonesboro,

Georgia.................................................................................... 446

X-49 Agreement with Transcontinental Gas Pipe Line Corporation for Transport of Gas from

Popcorn Bayou Field, Plaquemines Parish, Louisiana to interconnection near Jonesboro,

Georgia.................................................................................... 454

X-50 Agreement with United Gas Pipe Line Company for Transport of Gas from Block 73, Main

Pass Area, offshore Louisiana to existing interconnection.................................. 464

X-54 Agreement with Arkansas Louisiana Gas Company for Transport of Gas from Blocks 72, 73,

and 74 , Main Pass Area, Plaquemines Parish, Louisiana to the Lake St. John Point.......... 514

X-55 Agreement with Texaco for Transport of Gas from the East side of Bayou Mongoulois to

the West side of Bayou Mongoulois, St. Martin Parish, Louisiana............................ 531

X-58 Agreement with Transcontinental Gas Pipe Line Corporation for Transport of Gas from

St. Tammany Parish, Louisiana to interconnection near Jonesboro, Georgia................... 577

X-61 Agreement with Michigan Wisconsin Pipe Line Company for Transport of Gas from the

Romere Pass area, Plaquemines parish, Louisiana to existing measuring facility adjacent

to Southern's Shadyside Compressor Station, St. Mary Parish, Louisiana..................... 629