Northwest Pipeline Corporation G P

Fourth Revised Volume No. 1

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

Second Revised Sheet No. 227 Second Revised Sheet No. 227

Superseding: First Revised Sheet No. 227

GENERAL TERMS AND CONDITIONS

(Continued)

14. OPERATING CONDITIONS (Continued)

(i) NAESB WGQ Nominations Related Standard 1.3.19 (Version 1.8)

will apply and is incorporated by reference.

(ii) Nominating Party/Shipper is responsible to ensure that the

gas supply is available in sufficient quantity at the designated

Receipt Points before the nominations are communicated to

Transporter. Preceding the confirmation of nominations,

Transporter has the right to verify the consistency of each

nomination with Transporter's service agreements with Shipper(s),

availability of capacity up and downstream of Transporter's

system, and the availability of mainline capacity necessary to

transport the gas. Transporter may reject nominations if such

information cannot be verified. Transporter will notify Receiving

Party and/or Nominating Party and/or Shipper of the quantity that

Transporter can receive and deliver pursuant to the procedures in

Section 14.4 below.

(iii) Nominating Party/Shipper is responsible for the accuracy of

all nomination requests. Transporter will only receive

nominations through Transporter's Designated Site. All nomination

information, except volume data, is considered correct and

confirmed by Nominating Party when it is communicated to

Transporter.

(iv) Transporter shall not accept nominations for service under

any Rate Schedule TI-1 Service Agreement with a Shipper which is

also subject to Rate Schedule TF-1 (Small Customer) service unless

such Shipper also has nominated its full contract demand for firm

service under Rate Schedule TF-1 (Small Customer) for that day.