Cubic Foot Of Gas Or Standard Cubic Foot Of Gas
The volume of gas contained in one cubic foot of space at a standard pressure base and at a standard temperature base. The standard pressure base shall be 14.65 pounds per square inch absolute, and the standard temperature base shall be 60 degrees Fahrenheit. Whenever the conditions of pressure and temperature differ from the standard in this definition, conversion of the volume from these conditions to the standard conditions shall be made in accordance with the ideal gas laws, corrected for deviation.
Source: Oil and Gas Division, Texas Administrative Code, Title 16, Chapter 3, February 2013. Regulations