Storage Tanks and Ancillary Equipment. All underground storage tanks and pipelines, and any above-ground storage tanks and pipelines in contact with the ground, and any other underground metallic structures installed by Airline on Airport Property shall be integrated into a cathodic protection program. Airport officials shall be notified of any removal, addition, or modification of underground tanks, piping, and other metallic structures. Wastewater from maintenance activities shall be pretreated with a water quality pre-treatment device. These devices shall be inspected and maintained by the Airline. The Airline shall be responsible for all containment, treatment, and disposal of all fuel spills caused by Airline operations using "Best Management Practices." The Airline shall make all "best efforts" to recycle recovered fuel. A Spill Prevention Control and Countermeasures Plan shall be prepared and submitted according to federal (40 CFR 112) and state requirements. Fuel storage tanks shall either be installed above ground, according to appropriate federal and state requirements, or underground in accordance with EPA regulations cited in 40 CFR Part 280 and State of Colorado CCR 1101-14.