Richfield Gas Storage System

Substitute Volume No. 1

Effective Date: 11/01/1997, Docket: RP97-150-008, Status: Effective

Second Revised Sheet No. 33 Second Revised Sheet No. 33 : Superseded

Superseding: First Revised Sheet No. 33

1. INTRODUCTORY STATEMENT

Except where expressly stated otherwise, the General Terms and

Conditions of Richfield's currently effective FERC Gas Tariff

shall apply to all natural gas service rendered by Richfield

under any storage Contract, including, but not limited to,

service under the FSS-1 Rate Schedule and the ISS-1 Rate

Schedule.

2. DEFINITION OF TERMS

(a) Btu - The term "Btu" ("British thermal unit") shall mean

the amount of heat required to raise the temperature of

one (1) pound of water one degree (1ø) Fahrenheit at 60

degrees Fahrenheit. The standard Btu is the

International Btu, which is also called the Btu(IT).

(b) Business Day - The term "business day" shall mean Monday

through Friday, excluding Federal Banking Holidays for

transactions in the U.S., and similar holidays for

transactions occuring in Canada and Mexico.

whether Central Standard Time or Central Daylight Savings

Time.

(d) Day - The term "day" shall mean a period of twenty-four

(24) consecutive hours beginning at 9:00 A.M. and ending

at 9:00 A.M., Central Time. The reference date for any

day shall be the date of the beginning of such day.

(e) Dekatherm - The term dekatherm (Dth) shall mean the

quantity of heat energy which is equivalent to 1,000,000

Btu. One "dekatherm" of gas shall mean the quantity of

gas which contains one dekatherm of heat energy. The

standard quantity for measurement, nominations,

confirmations, scheduling, allocations, and billing shall

be dekatherms per gas day in the United States. The

standard for Canada shall be Gigajoules per gas day.

(For reference 1 dekatherm = 1,000,000 Btu's; and 1

gigajoule = 1,000,000,000 joules.) For commercial

purposes, the standard conversion factor between

dekatherms and gigajoules is 1.055056 gigajoules 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.