Pacific Gas Transmission Company

First Revised Volume No. 1-A

Effective Date: 09/01/2001, Docket: RP01-501-000, Status: Effective

Tenth Revised Sheet No. 52 Tenth Revised Sheet No. 52 : Effective

Superseding: Ninth Revised Sheet No. 52

TRANSPORTATION GENERAL TERMS AND CONDITIONS (Continued)

1.DEFINITIONS

1.1 Gas Day: In accordance with GISB Standard 1.3.1, Version 1.4,

the term "Gas Day" shall be 9:00 a.m. to 9:00 a.m. Central Clock

Time (7:00 a.m. to 7:00 a.m. Pacific Clock Time).

1.1.1 Business Day: The term "Business Day" shall mean Monday

through Friday, excluding U.S.Federal Banking Holidays for

transactions in the United States and similar holidays for

transactions occurring in Canada and Mexico.

1.2 Month: The word "month" shall mean a period extending from the

beginning of the first day in a calendar month to the beginning

of the first day in the next succeeding calendar month.

1.3 Maximum Daily Quantity: The term "Maximum Daily Quantity" (MDQ)

shall mean the maximum daily quantity in Dth of gas which PG&E

GT-NW agrees to deliver exclusive of an allowance for compressor

station fuel, line loss and other unaccounted for gas and

transport for the account of Shipper to Shipper's point(s) of

delivery on each day during each year during the term of

Shipper's Transportation Service Agreement with PG&E GT-NW.

1.4 Marketing Affiliate: The term "marketing affiliate" shall mean

Pacific Gas and Electric Company and CEG Energy Options Inc.

1.5 Gas: The word "gas" shall mean natural gas.

1.6 Cubic Foot of Gas: The term "cubic foot of gas" is defined in

accordance with GISB Standard 2.3.9, Version 1.4, as that

quantity of gas which measures one (1) cubic foot at standard

conditions of 14.73 dry psia, 60 degrees F. For gas volumes

reported in cubic meters, the standard conditions are 101.325

kPa, 15 degrees C. Standard 2.3.9, Version 1.4 states in full

"Standardize the reporting basis for Btu as 14.73 psia and 60

degrees F (101.325 kPa and 15 degrees C, and dry). Standardize

the reporting basis for gigacalorie as 1.035646 Kg/cm2 and 15.6

degrees C and dry. Standardize the reporting basis for gas

volumes as cubic foot at standard conditions of 14.73 psia,

60 degrees, F and dry. For gas volumes reported in cubic meters,

the standard conditions are 101.325 kPa, 15 degrees C, and dry."

1.7 Mcf: The term "Mcf" shall mean one thousand (1,000) cubic feet

of gas and shall be measured as set forth in Paragraph 5

hereof. The term "MMcf" shall mean one million (1,000,000)

cubic feet of gas.