El Paso Natural Gas Company

Second Revised Volume No. 1A

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Effective Date: 04/01/2010, Docket: RP10-454-001, Status: Effective

Second Revised Sheet No. 290B.01 Second Revised Sheet No. 290B.01

Superseding: First Revised Sheet No. 290B.01

TRANSPORTATION GENERAL TERMS AND CONDITIONS

(Continued)

10. IMBALANCE MANAGEMENT (Continued)

10.5 Allocation of Delivery Quantities

(b)(ii) Swing PDA Method (Continued)

(A) Any TSA for service under Rate Schedules IT-1, FT-1, FT-

2, FTH-V, FT-H, NNTD or NNTH may be designated by the DP

Operator at a Delivery Point as the Swing TSA.

(B) Daily and hourly gas quantities will be allocated to the

Swing TSA in accordance with this Section 10.5(b)(ii)

regardless of whether any quantities are scheduled under

the Swing TSA.

(C) (1) For purposes of the SOC and COC penalty provisions

in Critical Conditions under Section 11.1, for each

Gas Day, the Safe Harbor Tolerance Quantities for

the Swing TSA at the Delivery Point (which tolerance

quantities along with the sum of all daily scheduled

quantities, not including HEEN scheduled quantities,

plus any no-notice quantities, if applicable, shall

not be subject to SOC/COC penalties), shall equal

the higher of 1) the product of the applicable Safe

Harbor Tolerance Percentage, multiplied by the sum

of the total daily scheduled quantities plus any no-

notice quantities, if applicable, under all TSAs

under which gas is delivered at the Delivery Point,

or 2) 2,000 dth.

(2) For purposes of the hourly scheduling penalty

provisions in Critical and non-Critical Conditions

under Section 14.1, for each hour of the Gas Day,

the Safe Harbor Tolerance Quantities for the Swing

TSA at the Delivery Point (which tolerance

quantities along with the sum of the Hourly

Scheduled Entitlements and any Rate Schedule IHSW

quantities, if applicable, shall not be subject to

hourly scheduling penalties), shall equal the higher

of 1) the product of the applicable Safe Harbor

Tolerance Percentage, multiplied by the sum of the

total Hourly Scheduled Entitlements plus any no-

notice quantities, if applicable, under all TSAs

under which gas is delivered at the Delivery Point,

or 2) 100 dth in Critical Conditions and 200 dth in

non-Critical Conditions.