Northwest Pipeline Corporation G P

Fourth Revised Volume No. 1

Effective Date: 08/01/2009, Docket: RP09-607-000, Status: Effective

First Revised Sheet No. 201 First Revised Sheet No. 201

Superseding: Original Sheet No. 201

GENERAL TERMS AND CONDITIONS

1. DEFINITIONS

Except where the context expressly establishes another meaning, the

following terms when used in this Tariff and in a Service Agreement or

other agreement with Transporter incorporating said Tariff will have the

following meanings:

NAESB WGQ Nominations Related Standards 1.2.3, 1.2.5, 1.2.8 through

1.2.11 and 1.2.13 through 1.2.19, Flowing Gas Related Standards 2.2.3

through 2.2.5, Capacity Release Related Standards 5.2.1 through 5.2.3,

Additional Standards: Gas/Electric Operational Communications Standards

0.2.1 through 0.2.3, and Internet Electronic Transport Related Standards

10.2.1 through 10.2.38 (Version 1.8) will apply and are incorporated by

reference.

1.1 Agent: Any party retained by Service Requester for purposes of

administering Service Requester's Service Agreement with Transporter.

An Agent has only those rights designated in writing to Transporter by

such Service Requester.

1.2 Associated Receipt Point: A Receipt Point identified by

Transporter from which gas may be nominated to a specific pool without

incurring transportation and fuel charges. Associated Receipt Point(s)

will be posted on Transporter's Designated Site.

1.3 Balancing Nomination: A separately identified Nomination to

resolve or reduce imbalance(s) with Transporter.

1.4 Begin Date: The Gas Day specified by Service Requester when a

transaction is to begin.

1.5 British Thermal Unit ("Btu"): As defined in the American Gas

Association Report No. 3, as revised from time to time. "Standardize

the reporting basis for Btu as 14.73 psia and 60 degrees F (101.325 kPa

and 15 degrees C, and dry). Standardize the reporting basis for

gigacalorie as 1.035646 Kg/cm2 and 15.6 degrees C and dry. Standardize

the reporting basis for gas volumes as cubic foot at standard conditions

of 14.73 psia, 60 degrees, F and dry. For gas volumes reported in cubic

meters, the standard conditions are 101.325 kPa, 15 degrees C, and dry."

NAESB WGQ Standard 2.3.9.

1.6 Business Associate Information: The company identifier

information, designated representative information, notification

preferences and related data provided by a party to Transporter as

specified in the Business Associate Information form contained in the

informational posting section on Transporter's Designated Site.