Williams Natural Gas Company

Second Revised Volume No. 1

Effective Date: 03/01/1996, Docket: RP96-124-000, Status: Effective

Original Sheet No. 226A Original Sheet No. 226A : Superseded

GENERAL TERMS AND CONDITIONS

9. SCHEDULING, CURTAILMENT AND IMBALANCES

This article sets forth procedures for nomination and scheduling of

service on WNG's system, curtailment in the event of unexpected loss of

capacity after gas has been scheduled, and the treatment of imbalances.

This article applies to all transportation and storage services,

including services utilizing reassigned firm capacity, provided under

rate schedules contained in this Volume No. 1 tariff.

9.1 Nomination Procedures

(a) Shippers under Rate Schedules TSS and STS (no-notice service)

are required to nominate quantities at receipt points from

WNG's Master Receipt Point List into WNG's transmission system

and quantities at the production area/market area paper

pooling point, but not storage injection or withdrawal

quantities or delivery quantities to primary delivery points

(except the production area/market area paper pooling point);

provided, however, that to the extent that component parts of

TSS service have been assigned and the components retained by

the Releasing Shipper are not within the storage to flowing

supply ratio permitted in Rate Schedule TSS, deliveries must

be nominated.

(b) WNG will deliver gas to a Shipper hereunder, up to the

Shipper's MDTQ, when that Shipper has provided a thermally

equivalent quantity, plus fuel and loss, to WNG on the same

gas day, either at designated receipt point(s) or from

Shipper's storage gas. Shippers under all rate schedules

except TSS and STS shall use their best efforts to deliver and

receive gas at uniform daily rates of flow.

such later time as WNG may permit. Late nominations may be

rejected on a nondiscriminatory basis.

(i) At least four (4) business days prior to the first day of

each month, or such shorter time as WNG may permit,