Transwestern Pipeline Company, LLC

Third Revised Volume No. 1

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Effective Date: 04/05/2010, Docket: RP10-476-000, Status: Effective

Fifth Revised Sheet No. 95 Fifth Revised Sheet No. 95

Superseding: Fourth Revised Sheet No. 95







"Dekatherm" (dth) shall mean the quantity of heat energy which is equivalent to 1,000,000

British Thermal Units. One "dekatherm of gas" shall mean the quantity of gas which contains

one dekatherm of heat energy.


"Elapsed Pro-rata Capacity" (EPC) shall mean the portion of the capacity (under capacity

release) that would have theoretically been available for use prior to the effective time of

the intraday recall based on a cumulative uniform hourly use of the capacity.


"Electronic Transmission" shall mean a mutually agreeable means of data communication whereby

data is input by the Shipper directly into Transporter's internal system applications either by

keypunch or by means of electronic data file processing.


"Execution" or "executed" or any other form of the root word "execute" when used with respect

to any Service Agreement, amendment to Service Agreement, or any other contract shall include

electronic execution pursuant to the procedures established by Transporter.


"Hydrocarbon Dew point" shall mean cricondentherm, the highest temperature at which the vapor-

liquid equilibrium may be present. The Hydrocarbon Dew point (cricondentherm) calculations are

performed using the Peng-Robinson equation of state.


"Internet Website" or "Transporter's Internet Website" shall mean the Uniform Resource Locater

(URL) of Transporter's electronic communication mechanism on the Internet at


"La Plata Facilities" shall mean the jointly-owned mainline facilities of Transporter and

Northwest Pipeline Corporation ("Northwest") which commence at a new measurement facility and

custody transfer point between Northwest and Transporter located downstream of the discharge

side of the La Plata B compressor station in La Plata County, Colorado and extend south to the

existing interconnect with the Blanco Hub, located in San Juan County, New Mexico.


"Logical Points" shall mean points on Transporter's system which may be used by a Shipper as

receipt or delivery points which are not physical points as defined in this tariff.


"Maximum Daily Transportation Quantity" (MAXDTQ) shall mean the maximum quantity of natural gas

provided in the Service Agreement that Shipper is entitled to receive and Transporter is

obligated to deliver on any day.


"Mcf" shall mean 1,000 cubic feet of gas.


"Merchantability" refers to a gas stream which is commercially salable and fit for the market,

and of a quality which will bring the then current market price without additional treatment or

processing. Gas that meets the quality specifications in this Tariff shall be deemed to be



"Month (month)" or "billing month" shall mean the period beginning at nine o'clock a.m. Central

Clock Time on the first day of a calendar month and ending at the same hour on the first day of

the next succeeding calendar month; provided that if deliveries are not commenced on the first

day of a calendar month, then the billing month shall start with the commencement of deliveries

during the current month.


"Monthly Index Price (MIP)" shall mean the index price calculated in accordance with Section

27.2 herein.