Section 2900.2 - Definitions(a)Full food and fiber production means the entire output of food and fiber produced for the domestic market, and for export, for building of reserves, and crops for soil building or conservation. This term also includes the processing of food and fiber into stable and storable products, and the maintenance of food quality after processing.(b)Establishment means an economic unit, generally at a single physical location where business is conducted or where service or industrial operations are performed (for example, a factory, mill, store, mine, farm, sales office, or warehouse). (Note: This is the same definition used in the Standard Industrial Classification Manual, 1972 edition).(c)Essential Agricultural Use Establishment means any Establishment, or the portion of an Establishment, which performs (or has the capability to perform) activities specified in § 2900.3 .(d)Current Natural Gas Requirements means the amount of natural gas required by an Essential Agricultural Use Establishment to perform the activities devoted to full food and fiber production.44 FR 28786, May 17, 1979, as amended at 46 FR 47216, Sept. 25, 1981 Pub. L. 95-621 , Nov. 8, 1979, 92 Stat. 3350, 15 U.S.C. 3301 et seq.