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vent secured on the bolted 22 V. inch man way, which is access to the primary tank interior and is what is known as a combination emergency vent/man way system. The emergency vent, actuates at 2 y2 psi. The emergency vent was inspected and tested and found to be in good working condition. The Morrison Bros emergency vents are sized to the volume of the AST for each AST. Ones Cummins: The Onan Cummins system has 2 atmospheric vents on the fuel tank, one for the primary fuel tank and one for the integral secondary containment chamber for the fuel tank. Both vents were unobstructed and found to be in good working condition. This system does not have an emergency vent,nor is it designed to so have. As such, an emergency vent on this tank is not necessary. Bonding/Grounding: All electrical conduits and electrical equipment in the Class I Division 1 areas appear to be explosion proof or intrinsically safe with no defects. Corrosion Control Systems (Cathodic Protection) The tanks are all elevated and do not require cathodic protection. Off load piping does not routinely contain product and therefore does not require cathodic protection. There are no Sections of this piping that lay on the secondary containment floor and while there is minimal evidence of corrosion there are no serious signs of corrosion requiring remedial action. Leak Detection Ports All leak detection ports were opened In order to perform the tank integrity tests in accordance with the previously referenced standards and methods. There was no detection of any liquids in any of the ports or interstitial spaces. On each tank there Is a leak detection device to determine the presence of any fluids In the secondary containment The leak detection device Is a on the ConVault is the opening of the leak detection Inspection port and applying a dipstick to ascertain the presence of liquids. There is continuous electronic monitoring also, and an OMNTEC main system scheduled to be installed. Currently, there is Veeder-Root monitoring system which can monitor both liquid levels 6 secondary leaks in the interstice, but which Is scheduled to be replaced by the OMNTEC Proteus Automatic Tank Gauging and Leak Detection System. Leak detection in the Onan Cummins Generator-fuel tank system is achieved by removal of the secondary containment atmospheric vent and the discriminating sensodvisual inspection of the integral secondary containment Interstice to ascertain the presence or not of liquids(and petroleum product).