Columbia Gulf Transmission Company

Second Revised Volume No. 1

Effective Date: 08/01/1999, Docket: RP99-356-000, Status: Effective

Fourth Revised Sheet No. 128 Fourth Revised Sheet No. 128 : Effective

Superseding: Substitute Third Revised Sheet No. 128

GENERAL TERMS AND CONDITIONS

1. DEFINITIONS

1.1 "Billing Month" shall mean the period elapsed between consecutive final monthly meter readings

and, when referred to in terms of a calendar month, shall mean that calendar month in which the majority of the

Billing Month occurs.

1.2 "Btu" shall mean the British thermal unit as defined by international standards.

1.3 "Business Day" shall mean Monday through Friday excluding Federal Banking Holidays.

1.4 "Central Clock Time" (C.T.) shall mean Central Standard Time adjusted for Daylight Savings Time.

1.5 "Commission" shall mean the Federal Energy Regulatory Commission.

1.6 "Confirmations" shall mean the process of Transporter agreeing with Interconnecting Operators on

quantities that should flow at a location based on nominations received by Transporter and the

Interconnecting Operator. Related confirmation terms are:

(a) "Confirming Party" shall mean the entity that Transporter shall contact for

confirmation of a quantity of gas with respect to a nomination at a location. Confirming Parties include

Interconnecting Operators or upstream/downstream title holders.

(b) "Confirmation by Exception" ("CBE") means that the Confirming Parties agree that one

party deems that all requests at a location are confirmed by the other party (the CBE party) without

response communication from that party. The CBE party can take exception to the request by so

informing the other party within a mutually agreed upon time frame.

to a Confirmation or initiate an unsolicited Confirmation Response. Absent mutual agreement to the contrary,

Explicit Confirmation is the default confirmation methodology.

1.7 "Cubic Foot" and "Standard Cubic Foot" shall mean that quantity of natural gas that occupies

one cubic foot of space when held at a base temperature of sixty (60) degrees Fahrenheit and a pressure of

fourteen and seventy-three hundredths (14.73) psia, without adjustment for water vapor content.

1.8 "Designated site" shall mean the electronic address used to contact an entity for EDI

transmission.

1.9 "Dth (Dekatherm)" shall mean one million Btu. The standard quantity for nominations,

confirmation and scheduling is dekatherms per gas day in the United States, and gigajoules per gas day in

Canada and gigacalories per gas day in Mexico. (For reference 1 dekatherm = 1,000,000 Btu's; 1 gigajoule =

1,000,000,000 joules; and 1 gigacalorie = 1,000,000,000 calories.) For commercial purposes, the standard

conversion factor between dekatherms and gigajoules is 1.055056 gigajoulesper dekatherm and between

dekatherms and gigacalories is 0.251996 gigacalories per dekatherm. The standard Btu is the International

Btu, which is also called the Btu (IT); the standard joule is the joule specified in the SI system of units.