National Fuel Gas Supply Corporation

Fourth Revised Volume No. 1

Effective Date: 08/01/1997, Docket: RP97-398-000, Status: Effective

Original Sheet No. 328 Original Sheet No. 328 : Effective

GENERAL TERMS AND CONDITIONS

1. DEFINITION OF TERMS

Except where another meaning is expressly stated, the following terms

when used in this tariff and in any service agreement incorporating

this tariff, are intended and used and shall be construed to have the

following meanings:

1.1 The term "Seller" or "Transporter" shall mean National Fuel Gas

Supply Corporation ("National") acting in its capacity as a

seller or transporter of natural gas. The term "Seller" shall

include the term "Transporter".

1.2 The term "Buyer" or "Shipper" shall mean any sales or transporta-

tion customer of National. The term "Buyer" shall include the

term "Shipper."

1.3 The term "day" shall mean a period of twenty-four (24) consecu-

tive hours beginning and ending at 9:00 a.m. central clock time.

1.4 The term "month" shall mean the period beginning at 9:00 a.m.

central clock time on the first day of the calendar month and

ending at 9:00 central clock time on the first day of the next

succeeding calendar month.

1.5 The term "business day" is defined as Monday through Friday,

excluding Federal Banking Holidays for transactions in the U.S.,

and similar holidays for transactions occurring in Canada and

Mexico.

1.6 The term "central clock time" shall mean the clock time, daylight

savings or standard, as observed in Houston, Texas.

1.7 The term "year" shall mean a period of 365 consecutive days

provided, however, that any year which contains the date

"February 29" shall consist of 366 consecutive days.

1.8 The term "cubic foot" shall mean the volume of natural gas which

occupies one cubic foot when such gas is at a temperature of 60

degrees Fahrenheit and at an absolute pressure of 14.73 pounds

per square inch.