Md. Code, Environment § 7–107

The Department shall set each facility permit fee on the basis of:

(1) The potential threat to the environment posed by the particular materials to be transferred at the facility;

(2) The anticipated cost of monitoring and regulating the facility;

(3) The anticipated cost of removing and properly disposing of any hazardous material that may escape from the facility; and

(4) The anticipated needs for program development activities that relate to management of hazardous materials.