Okla. Admin. Code § 35:25-5-1
The following words or terms, when used in this Subchapter, shall have the following meaning, unless the context clearly indicates otherwise:
"AAFCO" means the Association of American Feed Control Officials.
"AAPFCO" means the Association of American Plant Food Control Officials.
"AAPCO" means the Association of American Pesticide Control Officials.
"AOAC International" means the Association of Official Analytical Collaboration International.
"EPA" means the United States Environmental Protection Agency.
"FDA" means the United States Food and Drug Administration.
"Official sample" means a sample which has been taken by a properly prescribed method by a State Department of Agriculture, Food, and Forestry inspector or an authorized agent of the State Department of Agriculture, Food, and Forestry.
"Procedure" means the method of analysis of a sample.
"Service sample" means a non-official sample taken by an individual, corporation, firm or other state agency for informational use, and shall not include samples deemed to be "official samples".
"Tolerance" means the deviation from the guaranteed analysis permitted by law. The tolerances shall be established by State Board of Agriculture where needed, except where otherwise provided by law or these regulations.
Okla. Admin. Code § 35:25-5-1