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2. Useful conversions and formulas for air dispersion modeling

   en.wikipedia.org/wiki/Useful_conversions_and...

   A standard cubic foot (scf) is the USA expression of gas volume at standard conditions and it is often (but not always) defined as being measured at 60 °F and 1 atmosphere of pressure. There are other definitions of standard gas conditions used in the USA besides 60 °F and 1 atmosphere. That being understood:

3. United States customary units - Wikipedia

   en.wikipedia.org/wiki/United_States_customary_units

   The cubic inch, cubic foot and cubic yard are commonly used for measuring volume. In addition, there is one group of units for measuring volumes of liquids (based on the wine gallon and subdivisions of the fluid ounce ), and one for measuring volumes of dry material , each with their own names and sub-units.

4. Comparison of the imperial and US customary measurement ...

   en.wikipedia.org/wiki/Comparison_of_the_imperial...

   The table of imperial avoirdupois mass is the same as the United States table up to one pound, but above that point, the tables differ. The imperial system has a hundredweight, defined as eight stone of 14 lb each, or 112 lb (50.802 345 44 kg), whereas a US hundredweight is 100 lb (45.359 237 kg). In both systems, 20 hundredweights make a ton.

5. Standard cubic foot - Wikipedia

   en.wikipedia.org/wiki/Standard_cubic_foot

   A standard cubic foot (scf) is a unit representing the amount of gas (such as natural gas) contained in a volume of one cubic foot at reference temperature and pressure conditions. It is the unit commonly used when following the customary system , a collection of standards set by the National Institute of Standards and Technology .

6. Template:Convert/list of units - Wikipedia

   en.wikipedia.org/wiki/Template:Convert/list_of_units

   cubic foot: cuft (cufoot) cu ft long code "cufoot" outputs cubic foot (and never feet) 1.0 cu ft (0.028 m 3) cubic inch: cuin cu in 1.0 cu in (16 cm 3) Imperial: imperial barrel: impbbl imp bbl 36 imp gal 1.0 imp bbl (160 L; 36 imp gal; 43 US gal) imperial bushel: impbsh imp bsh 8 imp gal

7. Standard cubic feet per minute - Wikipedia

   en.wikipedia.org/wiki/Standard_cubic_feet_per_minute

   When positive pressure is applied to a standard cubic foot of gas, it is compressed. When a vacuum is applied to a standard cubic foot of gas, it expands. The volume of gas after it is pressurized or rarefied is referred to as its "actual" volume. SCF and ACF for an ideal gas are related in accordance with the combined gas law: [2] [3]