Mississippi Canyon Gas Pipeline, LLC

First Revised Volume No. 1

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Effective Date: 04/01/2009, Docket: RP09-366-000, Status: Effective

Third Revised Sheet No. 61 Third Revised Sheet No. 61

Superseding: Second Revised Sheet No. 61

GENERAL TERMS AND CONDITIONS (cont'd)

1. DEFINITIONS (cont'd)

(ak) The term "Shipper Specific Heating Value" shall mean the

total heating value of the quantity of gas that a specific

Shipper delivers to Transporter at a Receipt Point for

transportation pursuant to a Transportation Service

Agreement. If Shipper delivers gas to Transporter at

multiple Receipt Points, then for non-Receipt Point specific

purposes, Shipper Specific Heating Value shall be the

weighted average of the Shipper Specific Heating Value at

each applicable Receipt Point.

(al) The term "total heating value" shall mean the number of Btu

produced by the complete combustion with air, at constant

pressure, of 1 anhydrous (dry) cubic foot of gas, at a

temperature of 60 degrees Fahrenheit and under a pressure of

14.73 psia, and when the products of combustion are cooled

to the initial temperature of the gas and air and all water

formed by combustion is condensed to the liquid state. The

total heating value (BTU per cubic foot of gas) shall be

stated to at least the third decimal point for reporting

purposes and to at least the sixth decimal place for

calculation purposes.

(am) The term "transportation service" shall include

transportation, exchange, or backhaul service.

(an) The term "Transporter" or "Transportation Service Provider"

shall mean Mississippi Canyon Gas Pipeline, LLC.

(ao) The term "Transporter's Facility" shall mean Transporter's

30-inch, 45 mile natural gas pipeline and appurtenant

facilities extending from a platform in West Delta Block

143, offshore Louisiana, to the Venice Gas Plant in

Plaquemines Parish, Louisiana.

(ap) The term "year" shall mean a period of 365 consecutive days;

provided, however, that any year which contains a date of

February 29 shall consist of 366 consecutive days.

(aq) Monthly Allocation is the term used to describe the process

where the Allocating Party performs the allocation process

at the end of the monthly flow period.

(ar) Daily Allocation is the term used to describe the process

where the Allocating Party performs the allocation process

following each gas day.