ANR Storage Company

Original Volume No. 1

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Effective Date: 11/01/2007, Docket: RP08- 16-000, Status: Effective

Third Revised Sheet No. 137 Third Revised Sheet No. 137 : Effective

Superseding: Second Revised Sheet No. 137

GENERAL TERMS AND CONDITIONS

(Continued)

(1) The unit of volume for the purpose of measurement

shall be one thousand cubic feet of Gas at a

temperature of sixty degrees (60°) Fahrenheit and a

pressure of 14.73 pounds per square inch absolute,

dry. Volumes reported in cubic meters, the standard

conditions are 101.325 kPa, 15 degrees C, and dry.

Volumes reported in Gigacalories, the standard

conditions are 1.035646 Kg/cm2, 15.6 degrees C, and

dry. The Dekatherm equivalent of such unit of volume

shall be determined by multiplying each such unit of

volume by the total heating value per cubic foot of

the Gas delivered hereunder (adjusted to a common

temperature and pressure base) and by dividing the

result by one thousand (1,000).

(2) The average absolute atmospheric (barometric)

pressure at the Point of Injection/Withdrawal

shall be assumed to be equal to 14.4 pounds per

square inch.

(3) The flowing temperature of the Gas shall be

determined by means of an instrument of standard

manufacture accepted in the industry for this

purpose.

(4) The supercompressibility factor used in computing

the volume of Gas delivered through an orifice

meter shall be determined in a manner which yields

results consistent with the results produced by the

procedures presented in the American Gas

Association Transmission Measurement Committee

Report No. 8 entitled "Compressibility and

Supercompressibility for Natural Gas and Other

Hydrocarbon Gases."

(5) The specific gravity of the Gas used in computing

the volume of Gas delivered through a meter shall

be determined by one of the following methods:

(i) At intervals of not more than six (6)

Months, by means of an instrument of

standard manufacture accepted in the

industry for this purpose using a sample of

Gas from the Gas stream at the Point of

Injection/Withdrawal.

(ii) By means of an instrument of standard

manufacture accepted in the industry for this

purpose installed at a point to measure the

specific gravity of the Gas stream from which

Gas is being delivered at the Point of

Injection/Withdrawal.