Questar Pipeline Company

First Revised Volume No. 1

Effective Date: 01/01/2008, Docket: RP07-457-000, Status: Effective

Fifth Revised Sheet No. 41 Fifth Revised Sheet No. 41 : Effective

Superseding: Fourth Revised Sheet No. 41

PART 1

GENERAL TERMS AND CONDITIONS

The following General Terms and Conditions apply to transportation and

storage services provided under this tariff.

1. DEFINITIONS

1.1 Alternate receipt or delivery point means any point where gas is

received into or delivered out of Questar's system that is not listed as a

primary receipt or delivery point in shipper's Rate Schedule T-1

transportation service agreement.

1.2 Annual storage cycle means the period of time beginning with the

first day of the injection period and ending with the last day of the

withdrawal period.

1.3 Authorized overrun means that quantity of gas authorized by

Questar in excess of the reserved capacity specified in the applicable

transportation or storage service agreement.

1.4 Bidding period means that period of time that released or

uncommitted firm capacity is posted on Questar's informational postings and

Questline during which shippers may bid for capacity.

1.5 Bidding shipper means any shipper that is qualified to bid for

capacity via Questar's Questline system.

1.6 Btu means British thermal unit. That is the amount of heat

required to raise the temperature of one pound of water one degree from 59

degrees to 60 degrees Fahrenheit. MMBtu means 1,000,000 Btu's.

1.7 Capacity release means the release by a firm shipper of its

capacity.

1.8 Cricondentherm Hydrocarbon Dew Point Temperature (CHDP) means the

maximum hydrocarbon dew point temperature calculated for a specific gas

composition over a range of pressures from 100 pounds psia up to the maximum

allowable operating pressure (MAOP) of the pipe.

1.9 CHDP Limit means the temperature set forth in §13.2(a) at which

Questar will accept all deliveries of natural gas provided that such gas

satisfies all other applicable provisions of Questar's FERC Gas Tariff.

1.10 CHDP Operating Limit means the CHDP temperature that is at or

above the CHDP Limit that Questar is willing to accept on a temporary basis

as operationally feasible given transitory operating conditions. In no case

will the CHDP Operating Limit be set lower that the CHDP Limit.