Washington Natural Gas Company

First Revised Volume No. 1

Effective Date: 12/15/1995, Docket: CP95-300-001, Status: Effective

First Revised Sheet No. 22 First Revised Sheet No. 22 : Effective

Superseding: Original Sheet No. 22

(1) Subject to the limitations on the replacement of Working Gas as stated

Paragraph D of this Appendix, when the Working Gas in the Storage Reservoir exceeds 60

percent of the Working Gas Capacity, the daily withdrawal quantity shall be 100 percent

of the Firm Deliverability (defined above as not more than 550,000 Mcf). For withdr

awals below 60 percent of the Working Gas Capacity, the daily withdrawal quantity shall

be reduced 1.3 percent of Firm Deliverability for each additional one percent of the

Working Gas withdrawn below 60 percent of the Working Gas Capacity. For calculation

purposes, the

percent of Working Gas withdrawn shall be based on the percent withdrawn at t

he beginning of the given day; and

(2) The daily Best Efforts Deliverability quantity as that quantity is

stated in Section A above.

D. After the commencement of an annual Storage Cycle, withdrawals from the

Seasonal Working Gas Quantity may be replaced both to maintain the Deliverability of

the Storage Project and to restore the quantity available for withdrawal; provided,

however, that Working Gas injected above the level of the Seasonal Working Gas Quantity

esta blished at the beginning of an annual Storage Cycle shall be considered

as applicable to the Seasonal Working Gas Quantity of the next

succeeding Storage Cycle and shall not increase the

Seasonal Working Gas

Quantity of the current Storage Cycle.

The Project Operator shall transfer up to 500,000

Mcf of Cushion Gas from Zone 9 to Zone 2 of the Storage

Project during the period from October 1 through April 30

of any Storage Cycle to maintain the Deliverability as

stated above and shall replace said Cushion Gas prior to

the commencement of the next Storage Cycle by retransfer

from Zon

e 2 to Zone 9.