Questar Pipeline Company

First Revised Volume No. 1

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Effective Date: 01/01/2008, Docket: RP07-606-001, Status: Effective

Eighth Revised Sheet No. 172 Eighth Revised Sheet No. 172 : Pending

Superseding: 2 Sub. Seventh Revised Sheet No. 172

PART 3

GENERAL TERMS AND CONDITIONS

(Continued)

Shipper's Utility Fuel Reimbursement responsibility = (X/Y) * U

Where:

X = FSS shipper's annual working gas or ISS shipper's actual

average monthly working gas balance, whichever is applicable.

Y = The sum of all FSS shippers' annual working gas, the sum of

all ISS shippers' actual average monthly working gas

balances, and the actual average monthly working gas balance

for PAL2 service.

U = Utility Fuel for each month less Utility Fuel used to park or

return gas for PAL1 shippers at Clay Basin

* = Multiplication operator

Note: Working gas includes Questar's reserved capacity.

16.3 Operating Fuel and Shrinkage Reimbursement.

(a) Shipper shall reimburse Questar in kind for its

proportionate share of Operating Fuel and Shrinkage each month as

follows:

Shipper's Operating Fuel and Shrinkage Reimbursement responsibility =

((A/B) * C) + (A*D)

Where:

A = FSS and ISS Shipper's actual injection and withdrawal

quantities of gas for each month

B = The sum of FSS, ISS and PAL2 shippers' actual injection and

withdrawal quantities of gas for each month

C = Operating Fuel and Shrinkage for each month less

Operating Fuel and Shrinkage used to park or return gas

for PAL1 shippers at Clay Basin.

D = Conditioning Reimbursement Factor from § 16.4(b)

* = Multiplication operator

Note: All quantities of gas include Questar's reserved capacity.

(b) Annual Reimbursement Quantity.

(i) Calculation: Each year, Questar will calculate an

Annual Reimbursement Adjustment according to the methodology set forth

provided in § 16.4(c). The Annual Reimbursement will be allocated

proportionately as follows: