Okla. Admin. Code § 35:30-13-2
The following words or terms, when used in this subchapter, shall have the following meaning, unless the context clearly indicates otherwise:
"Certificate" means a document issued by an authorized agent of the Department of Agriculture of the state of origin of the regulated articles to allow the movement of regulated articles to any destination within or from the State of Oklahoma.
"Compacted soil" means soil attached to equipment which cannot be removed by brisk brushing and/or washing with water under normal city water pressure.
"Compliance Agreement" means an agreement to comply with stipulated conditions executed by persons engaged in purchasing, assembling, exchanging, handling, processing, utilizing, treating, or moving regulated articles.
"Infestation" means actually contaminated by the pest or so exposed to contamination by the imported fire ant that it is reasonable to believe that an infestation exists.
"Mechanized soil" means moving equipment, mechanized equipment used to move or transport soil, e.g., draglines, bulldozers, road scrapers, and dumptrucks.
"Moved (Movement and move)" means shipped, offered for shipment to a common carrier, or carried, transported, moved, or allowed to be moved by any person within the State of Oklahoma or from any regulated area.
"Pest" means all living stages of the Imported Fire Ant (Solenopsis spp.).
"Regulated Area" means any area described or designated as regulated.
"Regulated Articles" means Imported Fire Ants, soil and any other products and articles of any character whatsoever, the movement of which is regulated by this quarantine.
"Scientific permit" means a document issued by an authorized agent of the Department of Agriculture of the state of origin of the regulated articles, or issued by the Deputy Administrator of the USDA, to allow the intrastate and/or interstate movement of regulated articles for scientific purposes.
"Soil" - Soil shall be considered that part of the upper layer of earth in which plants grow.
Okla. Admin. Code § 35:30-13-2