Arkansas Code
Subchapter 3 - Standard Gas Measurement Law
§ 15-74-302. Cubic foot of gas defined

(a) The term “cubic foot of gas” or “standard cubic foot of gas” means the volume of gas contained in one cubic foot (1 cf) of space at a standard pressure base and at a standard temperature base.
(b) The standard pressure base shall be fourteen and sixty-five one hundredths pounds per square inch (14.65 lbs. p.s.i.) absolute, and the standard temperature base shall be sixty degrees Fahrenheit (60° F).
(c) Whenever the conditions of pressure and temperature differ from the above standard, conversion of the volume from these conditions to the standard conditions shall be made in accordance with the Ideal Gas Laws with correction for deviation from Boyle's Law, which correction must be made unless the pressure at the point of measurement is two hundred pounds per square inch (200 lbs. p.s.i.) gauge, or less, all in accordance with methods and tables generally recognized by and commonly used in the natural gas industry.
(d) For all purposes of computing standard cubic feet of gas under this subchapter, the barometric pressure may be assumed to be fourteen and six-tenths pounds per square inch (14.6 lbs. p.s.i.) absolute at the place of measurement.

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