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

Third Revised Sheet No. 300 Third Revised Sheet No. 300

Superseding: Substitute Second Revised Sheet No. 300

TRANSPORTATION GENERAL TERMS AND CONDITIONS

(Continued)

11. SYSTEM OPERATIONAL PARAMETERS

11.1Strained and Critial Operating Condition Procedures (Continued)

(b) Critical Operating Condition (Continued)

(ii) Declaration of a COC shall include identification of linepack

status and whether the COC is a Pack COC or a Draft COC.

(A) A "Pack" designation shall be applied to flow variances

that exacerbate a high linepack condition (e.g.

undertakes from Transporter at a Delivery Point(s)). A

"Draft" designation shall be applied to flow variances

that exacerbate a low linepack condition (e.g. overtakes

from Transporter at a Delivery Point(s)).

(B) A "Pack" designation shall be applied to flow variances

that exacerbate a high linepack condition (e.g.

overdelivery into Transporter at a Receipt Point(s)). A

"Draft" designation shall be applied to flow variances

that exacerbate a low linepack condition (e.g.

underdelivery into Transporter at a Receipt Point(s)).

(iii) A COC will remain in effect until Transporter, in its

reasonable judgment, determines that such operating conditions

no longer exist and notifies its Shippers that it is lifting

the COC. Such Notice will be provided using the notification

procedures of Section 6.1(a)(xii) of the GT&C.

(iv) Except as provided in Section 33.2(e), Transporter must

declare a COC before 12:00 p.m. (Mountain Clock Time) for such

COC to apply to the current Gas Day. Should Transporter

declare a COC after 12:00 p.m. (Mountain Clock Time), such COC

shall apply to the next Gas Day. If a COC is declared,

Shippers in the COC area must be in balance on the first Gas

Day for which at least a four hour scheduling opportunity is

available.

(v) In the event of an emergency situation where safety or the

integrity of the segment, lateral or overall system is at

immediate risk, Transporter may invoke a COC immediately

without first declaring an SOC ("Emergency COC").