Okla. Admin. Code § 252:100-17-41
(a) The definitions in 40 CFR 60.51c are hereby incorporated by reference as they exist on July 1, 2002.
(b) The following words and terms when used in this Part, shall have the following meaning, unless the context clearly indicates otherwise:
"Small rural HMIWI" is defined as any small HMIWI which is located more than 50 miles from the boundary of the nearest Standard Metropolitan Statistical Area and which burns less than 2,000 pounds per week (lb/wk) of hospital waste and medical/infectious waste.
"Standard Metropolitan Statistical Area" or "SMSA" means any areas listed in the Office of Management and Budget Bulletin No. 93-17 entitled "Revised Statistical Definitions for Metropolitan Areas" dated June 30, 1993.
Okla. Admin. Code § 252:100-17-41