Northwest Pipeline Corporation

First Revised Volume No. 1-A

Effective Date: 11/25/1990, Docket: GT91- 5-000, Status: Effective

Original Sheet No. 427 Original Sheet No. 427 : Effective

GENERAL TRANSPORTATION TERMS AND CONDITIONS

(Continued)

15. DETERMINATION OF DELIVERIES AND IMBALANCES (Continued)

15.4 Daily Overrun Provisions. (Continued)

(d) Exception. The Daily Unauthorized Overrun Charge provided

in Section 15.4(c) shall not apply on any day when either

(i) or (ii) below is applicable:

(i) When the unauthorized overrun volume on the particular

day does not exceed 3% of Receiving Party's entitlement

for such day as set forth in Section 15.4(b), or 150

MMBtus, whichever is larger.

(ii) If Transporter has not ordered or required any cur-

tailment or reduction whatsoever with respect to

Receiving Party's daily entitlement.

15.5 Imbalances at Termination of Agreement. Transporter and Shipper

shall eliminate any cumulative imbalance between receipts and takes

of gas within 60 days after the transportation service agreement

terminates. At the end of the 60-day period, any gas which was

delivered by Transporter to Receiving Party but for which

equivalent volumes were not received by Transporter from Shipper

shall be paid for by Shipper at Transporter's currently effective

ODL-1 Commodity rate. Shipper shall pay such amount within 10 days

after receipt of such bill. Any gas received by Transporter in

excess of that delivered to Receiving Party for Shipper which

remains in Transporter's system at the end of the 60-day period

shall become the property of Transporter at no cost to Transporter

and free and clear of any adverse claims related thereto.

15.6 Imbalances With Other Parties. Transporter shall not be respons-

ible for eliminating any imbalances in volumes transported that

accrue between Receiving Party or Shipper and any other party,

including without limitation any volume imbalances that accrue

between local distribution companies and specific end-users or

between producers or pipelines and local distribution companies or

end-users. Furthermore, Transporter shall not be obligated to

adjust or deviate from its standard operating and accounting

procedures in order to alleviate any such imbalances or sales

deficiencies.