Williams Natural Gas Company

Second Revised Volume No. 1

Effective Date: 05/01/1997, Docket: RP97- 67-002, Status: Effective

Second Revised Sheet No. 201 Second Revised Sheet No. 201 : Superseded

Superseding: Substitute First Revised Sheet No. 201

GENERAL TERMS AND CONDITIONS

1. DEFINITIONS

1.1 Billing Location - means one or more delivery meters serving a

particular geographic area, and is synonymous with the term

delivery point as used herein. The points listed on WNG's Master

Delivery Point List are Billing Locations.

1.2 British Thermal Unit ("BTU") - means the amount of heat required to

raise the temperature of one (1) pound of water one (1) degree

Fahrenheit from fifty-nine (59) degrees Fahrenheit to sixty (60)

degrees Fahrenheit.

1.3 "Business Day" - means Monday through Friday, excluding Federal

Banking Holidays.

1.4 Central Clock Time ("CCT") - means Central Standard time throughout

the year, as adjusted for Central Daylight time.

1.5 "Cubic Foot" - means the volume of gas which occupies one cubic

foot of space when held at a base temperature of sixty (60) degrees

Fahrenheit and a base pressure of 14.73 psia.

1.6 "Day" - means calendar day, unless otherwise specified.

1.7 Dekatherm ("Dth") - One Dth equals one million BTU's (MMBTU).

1.8 "Delivering Party" - means the owner or operator of the facilities

from which gas is physically delivered into WNG's facilities.

1.9 "FERC" or "Commission" - means the Federal Energy Regulatory

Commission or any successor entity thereto.

1.10 "Gas Day" - means a period of twenty-four (24) consecutive hours

beginning and ending at nine o'clock (9:00) a.m. CCT. Reference to

specific day shall mean the twenty-four hours starting at 9:00 a.m.

CCT of that calendar day.

1.11 "Gas" or "Natural Gas" - means any mixture of hydrocarbons or of

hydrocarbons and non-combustible gases, in a gaseous state,

consisting essentially of methane. Such gas may be either in its

natural state produced from wells, including casinghead and residue

gas, or after manufacture or other methods of producing synthetic

gas.