Okla. Admin. Code § 165:15-1-1
The purpose of this Chapter is to provide a comprehensive regulatory program governing the sale, storage, and inspection of regulated substances such as antifreeze, motor oil, motor fuel, gasoline, kerosene, aviation fuel, and diesel fuel, and specify standards governing the measuring devices and facilities used to store, sell, dispense, or deliver these products. This Chapter is intended to protect the end user by regulating the integrity and quantity of the product sold; protect the public and the environment from fire, explosion and contamination; assist the tank owner/operator regarding how to maintain a petroleum storage tank system to avoid damages or deterioration of the system, economic loss to the owner/operator, and damages to others.
Okla. Admin. Code § 165:15-1-1