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Change Indicator. The sump will be inspected prior to testing. If necessary the sump <br />will be cleaned prior to addition of testing fluid. All test fluid will be supplied and <br />recovered for reuse by the Service Technician performing the test. The Service <br />Technician will test at a level of 4" above the highest penetration to include electrical <br />penetrations unless otherwise expressly recommended by the local regulatory agency to <br />test at a higher or lower level. Sumps not equipped with fail safe sensors will be tested at <br />a level to include the entire sump unless otherwise expressly recommended by the local <br />regulatory agency to test at a lower level. <br />Under Dispenser Containment —The Service Technician will test and certify using <br />methods developed and recommended by the UDC Manufacture, Industry Standard or <br />Professional Engineer. The test procedure recommended and used is Hydrostatic with a <br />level change indicator that has been developed to indicate a standard leak rate of 1/4 inch <br />in 24 hours within 30 minutes, and has been examined and reviewed by a third party <br />professional engineer. The Service Technician will perform all Hydrostatic Testing using <br />the Caldwell Systems Level Change Indicator. The UDC will be inspected prior to <br />testing. If necessary the UDC will be cleaned prior to addition of testing fluid. All test <br />fluid will be supplied and recovered for reuse by the Service Technician performing the <br />test. The Service Technician will test at a level 4" above the highest penetration to <br />include electrical penetrations unless otherwise expressly recommended by the local <br />regulatory agency to test at a higher or lower level. UDC's not equipped with fail safe <br />sensors will be tested at a level to include the entire UDC, unless otherwise expressly <br />recommended by the local regulatory agency to test at a lower level. <br />Entire Agreement and Procedure —There are no understandings or agreements between <br />the parties with respect to the agreement or procedure or the services to be rendered <br />hereunder, except as herein expressly stated. <br />Reference: PEI/RP 1200-17 <br />