(A) System monitoring.
(1) All underground storage tanks and piping shall be provided with a means of monitoring for any leakage of the stored fuel. Such monitoring system shall consist of:
(a) A continuous leak detection system between the walls of double-walled tanks and piping; or
(b) A single monitoring well or detector located in an impervious secondary containment; or
(c) A network of at least four (4) monitoring wells placed around the tank or tanks.
(2) All leak detection systems and devices shall be installed, maintained, and operated in accordance with manufacturer's requirements and inspected every two (2) weeks to determine that the device is functioning. All wells shall be either monitored every two (2) weeks or be equipped with a continuously functioning leak detection device.
(B) System testing.
(1) The owner or operator of a fuel storage system shall test the integrity of the storage tank and piping by type, according to the following:
(a) A sacrificial anode-type tank shall have structure to soil potential tested annually in accordance with manufacturer's requirements.
(b) An impressed current tank shall be tested monthly in accordance with manufacturer's requirements.
(c) A glass fiber-reinforced plastic tank shall be tested for deflection at the time of installation in accordance with manufacturer's requirements.
(2) All systems shall also be tested if:
(a) The operator of the storage system has failed to comply with the inventory requirements; or
(b) A discharge detection device or monitoring well indicates that the contents of the system has been or is being discharged; or
(c) Groundwater contamination by fuels exists in the vicinity; or
(d) The average unaccounted physical inventory output exceeds one-half of one percent (0.5%) of total monthly output.
(3) Such tests shall be conducted by a person trained and certified by the manufacturer of the test equipment or his agent.
(4) If for any reason testing cannot be performed in accordance with the above, the tank shall be deemed to be abandoned.
('74 Code, § 10½-7) (Ord. 84-37, passed 6-21-84) Penalty, see § 10.99