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

First Revised Sheet No. 150F First Revised Sheet No. 150F

Superseding: Original Sheet No. 150F

RATE SCHEDULE OPAS

Operator Point Aggregation Service

(Continued)

6. MDO/MHO QUANTITY REDUCTIONS

6.1 Pursuant to Section 2.5(d) of this Rate Schedule, Transporter shall

notify the affected DP Operator when MDO/MHO quantities must be

reduced. The DP Operator will be notified by telephone and in

writing that a change is necessary. Such change will occur using

the time period provided for in Section 2.5(d) of this Rate

Schedule.

6.2 Transporter may reduce a DP Operator's MDO/MHO quantity to protect

the firm rights of new/existing firm Shippers and/or ensure service

reliability. Some examples of the circumstances that could prompt

an MDO/MHO reduction are listed below:

(a) Reduction of available physical capacity due to the

modification, sale, or abandonment of facilities including,

without limitation, pipeline, compression, meter, or other

facilities pursuant to the appropriate Commission

authorization.

(b) A significant change in any Shipper's usage patterns that

reduces the ability of the system to operate at the levels of

the current MDOs/MHOs.

(c) A Shipper terminates its TSA or reduces its MDQ under its

TSA.

(d) A formal service request from a Shipper for new firm service

or an amendment to existing firm service.

(e) A formal request from a Shipper to convert to a rate schedule

requiring the use of greater system assets (e.g., conversion

from FT-1 to FT-H).

(f) Primary D-Code/delivery point re-designations pursuant to

Section 8.1(f) of the GT&C.

6.3 MDO/MHO quantity reductions shall be limited to an amount

commensurate with the operational factors necessary to ensure the

protection of firm service rights and system reliability.

(a) The sum of the adjusted MDO quantities for the DP Operator

shall be at least equal to, but never less than, the total

contracted D-Code MDQ for transportation service to the

related meters.