Northwest Pipeline Corporation G P

Fourth Revised Volume No. 1

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Effective Date: 11/01/2009, Docket: RP09-1056-000, Status: Effective

First Revised Sheet No. 53 First Revised Sheet No. 53

Superseding: Original Sheet No. 53



Storage Gas Service - Firm



8. DEFINITIONS (Continued)


In addition to the quantity calculated above, an Expansion

Shipper's Working Gas Quantity will include any increases in its Storage

Capacity during the current Storage Cycle.


The above method of determining Shipper's Working Gas Quantity may

be modified consistent with any comparable modification under the

January 15, 1998 Gas Storage Project Agreement, or superseding

agreement, permitted by the Jackson Prairie Storage Project Management

Committee. A Shipper's Working Gas Quantity will be adjusted for any

Working Gas Quantity released as indicated on Exhibit A to a Replacement

Shipper's Service Agreement.


8.4 Shipper's Available Working Gas on any day during the Storage Cycle

shall be equal to Shippers' Working Gas Inventory less Shipper's

Unavailable Working Gas.


8.5 Shipper's Unavailable Working Gas on any day during the Storage

Cycle shall be equal to the highest level of Shipper's Working Gas

Inventory during the preceding days of the current Storage Cycle less

Shipper's Working Gas Quantity.




9.1 General Procedure. Shipper may nominate to withdraw gas on any

day, specifying the quantity of gas within Shipper's Available Working

Gas which it desires withdrawn under this Rate Schedule during such day.

Transporter will schedule the withdrawal of the quantity of gas so

nominated, subject to the limitations set forth in this Rate Schedule

and subject as necessary to confirmation of the nomination changes for

the related transportation service agreement.