Each barber chair in a barber school or college shall be in good condition, mechanically sound, and with acceptable covering of a material easily sanitized. Barber chairs shall be placed at least four and one-half (4 1/2) feet apart, center-to-center, and each chair shall have a minimum of thirty-five (35) square feet of floor space surrounding the chair.
Okla. Admin. Code § 310:210-9-9