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- 5 - <br /> Dispenser Vapor Piping <br /> 1 . Any dispenser with a dispenser piping test valve in the closed position shall be <br /> considered a defect. <br /> 2. The ball valve shall be installed between the test port and the vacuum pump. <br /> The ball valve and test port shall be located on the inlet side of the vacuum <br /> pump. <br /> 3. If the vapor flow meter is installed below the vapor shear valve, then a "Y" fitting <br /> for introducing liquid shall be installed below the vapor flow meter. <br /> 4. The vapor flow meter shall be installed on the down stream side of the vacuum <br /> pump. <br /> 5. The Vapor Pressure Sensor shall be installed into one of the dispensers at the <br /> GDF located closest to the underground storage tanks (If a row of dispensers <br /> are equal distance from the gasoline tank pad and within 10' of each other, any <br /> dispenser can be used). <br /> In-Station Diagnostics <br /> 1. The gasoline dispensing facility operator/owner shall comply with local district <br /> requirements, if any, following a warning by the Veeder-Root In-Station <br /> Diagnostics (ISD) system and a shut down of the submersible pumps to all <br /> gasoline tanks by the ISD systems. <br /> 2. Suggested Troubleshooting, found in Table 5-3 of the Veeder-Root In-Station <br /> Diagnostics ISD) Install, Setup, and Operation Manual (ARB Approved <br /> Installation, Operation, and Maintenance Manual), recommends that certain tests <br /> be conducted to verify the cause of the ISD warning or failure alarms. Districts <br /> may require that these tests or other tests specified by the districts be conducted <br /> in response to the ISD alarms. <br /> Phase I System <br /> 1. The Phase I system shall be an ARB-certified system that demonstrates <br /> compliance with the static pressure decay test criteria contained in the latest <br /> version of TP-201.3. <br /> Healy Phase It EVR System Including Veeder-Root ISD, Exhibit 2—VR-202-D <br />