Guardian Pipeline, L.L.C.

Original Volume No. 1

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Effective Date: 12/01/2002, Docket: RP02-534-000, Status: Effective

Original Sheet No. 116 Original Sheet No. 116 : Superseded

GENERAL TERMS AND CONDITIONS

(Continued)

5. MEASUREMENT & MEASUREMENT EQUIPMENT

5.1 Determination of Quantity

The quantity of Natural Gas received and delivered by

Transporter to Shipper or for Shipper's account

hereunder shall be measured according to Boyle's and

Charles' Laws for the measurement of Natural Gas under

varying pressures and temperatures with deviations

therefrom as provided in Subsection 5.1(I) and shall

be determined as follows.

(a) The unit of measurement for the purpose of

service under any of Transporter's Rate

Schedules shall be one (1) Dth, which is the

heat energy equivalent of one (1) MMBtu. The

number of MMBtu's delivered shall be determined

by multiplying the number of Cubic Feet of

Natural Gas received or delivered, measured on

the measurement basis hereinafter specified, by

the Total Heating Value of such Natural Gas, in

Btu's per Cubic Foot, and by dividing the

product by one million (1,000,000).

(b) The unit of quantity for the purposes of

measurement shall be one (1) Cubic Foot of

Natural Gas at a temperature of sixty degrees

(60§) Fahrenheit, at a pressure of 14.73 psia.

(c) The unit of weight for the purpose of

measurement hereunder shall be one (1) pound

mass of Natural Gas.

(d) The average absolute atmospheric pressure shall

be assumed to be 14.4 psia.

(e) The flowing temperature of the Natural Gas shall

be determined in accordance with industry

standards for the purposes of measured volume

correction.