Northwest Pipeline Corporation

First Revised Volume No. 1-A

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Effective Date: 04/01/1993, Docket: RP93- 5-006, Status: Effective

Substitute Second Revised Sheet No. 422 Substitute Second Revised Sheet No. 422 : Effective

Superseding: First Revised Sheet No. 422

GENERAL TRANSPORTATION TERMS AND CONDITIONS

(Continued)

14. OPERATING CONDITIONS (Continued)

14.10 System Operations and Storage. Transporter shall not be

required to compress transportation gas into its pipeline, lower its

system operating pressure, alter the direction of gas flow, or alter

other operation or utilization of its facilities or otherwise change

its normal pipeline operations in order to receive, transport or

deliver gas hereunder.

Transporter shall utilize its system storage capacity to

effectuate transportation to the extent that existing transportation

and storage obligations are not compromised.

14.11 Receipt and Delivery Points. Refer to Section 2 of the General

Terms and Conditions for operating procedures and pressures at receipt

and delivery points.

14.12 Fuel Gas Reimbursement. In addition to the payments for

transportation, Shipper shall reimburse Transporter for Shipper's pro

rata share of fuel, including lost and unaccounted-for gas. Fuel use

requirements factors ("Factors") shall be determined each year to

become effective on April 1 of each year. A factor shall be

established and amended annually for each Rate Schedule included in

this tariff, and shall be set forth on Sheet No. 14. The Factors

shall be calculated as follows:

(a) Projected fuel usage shall be determined for

Transporter's mainline for the twelve months beginning April 1

of the upcoming year.

(b) Lost or gained and unaccounted-for volumes shall be

determined for the prior calendar year.

(c) Volumes projected to be nominated for receipt by

Transporter for transportation under each Rate Schedule shall

be estimated for the twelve months beginning April 1 of the

upcoming year.

(d) For Rate Schedules TF-1, TI-1 and T-1 and all

transportation Rate Schedules included in Transporter's

tariff, Volume No. 2, the fuel usage volumes calculated

pursuant to (a) and (b), above, shall be divided by the

mainline throughput volumes under such Rate Schedules derived

in (c), above, to derive the fuel usage factor for such Rate

Schedules.