Guardian Pipeline, L.L.C.

Original Volume No. 1

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

Original Sheet No. 117 Original Sheet No. 117 : Superseded

GENERAL TERMS AND CONDITIONS

(Continued)

5. MEASUREMENT & MEASUREMENT EQUIPMENT (Continued)

(f) The specific gravity of the Natural Gas flowing

through the meters shall be determined by

Natural Gas chromatographic analysis of

representative composite samples, or continuous

sampling methods, unless otherwise mutually

agreed upon by Connecting Party and Transporter.

(g) When orifice meters are used, the computation of

quantities of Natural Gas delivered shall be in

accordance with the published recommendations of

the AGA's Report No. 3 (ANSI/API 2530), as

revised September 1992, and as such report may

be further revised, and any subsequent

amendments thereof, or as may be mutually agreed

upon by Connecting Party and Transporter.

(h) The Total Heating Value shall be measured,

unless otherwise agreed by Transporter and

Connecting Party, by methods in accordance with

acceptable industry practice such as, but not

limited to, Natural Gas chromatograph(s) located

at appropriate points.

(i) The deviation of the Natural Gas delivered

hereunder from Boyle's and Charles' Laws shall

be determined in accordance with, but not

limited to, the published recommendations of the

AGA's Report No. 3, as revised 1992 and as such

report may hereafter be further revised, and the

American National Standards Institute as

Transporter deems to be in accordance with

accepted industry practice.

5.2 Measurement Operations and Equipment

Measurement Operations shall include, but not be

limited to, the operation, calibration, and testing of

transducers, chart records, meter runs, Natural Gas

quality monitoring devices, and control valves, as

well as the responsibility for quantity calculations

for the measurement facility. Transporter may allow