Tenn. Code Ann. § 68-217-110

The commissioner shall promulgate, after public notice and an opportunity for comment, regulations to implement the duties and responsibilities as set forth in § 68-217-105, including, but not limited to, standards for evaluating releases of drycleaning solvent at or from affected drycleaning facilities, in-state wholesale distribution facilities, or abandoned drycleaning facilities and for determining what, if any, response action is necessary for any such release and standardized methods and techniques for responding to such releases and appropriate presumptive remedial responses. Such standards, methods and techniques shall, to the maximum extent practicable, be applicable to all drycleaning facilities, in-state wholesale distribution facilities and abandoned drycleaning facilities in this state, and, in any event shall be cost-effective, reasonable, and technically feasible.