Northwest Pipeline Corporation

First Revised Volume No. 1-A

Effective Date: 04/01/1993, Docket: RP93- 5-007, Status: Effective

Substitute First Revised Sheet No. 422-A Substitute First Revised Sheet No. 422-A : Effective

Superseding: Original Sheet No. 422-A

GENERAL TRANSPORTATION TERMS AND CONDITIONS

(Continued)

14. OPERATING CONDITIONS (Continued)

(e) All projected data shall include true-up adjustments for

variances between fuel reimbursements and fuel used, for the

prior calendar year, except that underrecoveries or over-

recoveries of fuel used before April 1, 1993 shall not be trued

up.

14.13 Balancing. Balancing of thermally equivalent volumes of gas

received and delivered shall be achieved as nearly as feasible on a

daily basis, with any cumulative imbalance accounted for as provided

in Section 15.

14.14 System Integrity. Nothing herein shall limit Transporter's

right to take actions or to require Shippers hereunder to take actions

of whatever nature may be required to correct any situations which may

threaten the operation or integrity of its system, including

maintenance of service to other customers.

14.15 Disaster Recovery Procedures. In the event of a disaster such

that Transporter's communication capability is not available for

confirmation and scheduling of gas receipts and deliveries,

nominations will remain in effect as confirmed for the most current

day, unless alternate emergency communication methods are established.

Transporter may also place a declared entitlement on the system until

normal communications are restored.

14.16 Interconnect Balancing Agreements. Transporter may enter into

and operate pursuant to interconnect balancing agreements with other

pipelines or gas suppliers relating to operating procedures governing

nominating, scheduling and balancing for the receipt or delivery of

gas at points of interconnection.