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Product level of the storage system at the time of testing: <br />2. <br />Total product level <br />88" <br />CAPACITY <br />Fill. pipe height <br />500 g PRECISION UNDERGROUND TANK TESTING RESULTS Patent Pending <br />TANK <br /># <br />Diesel PAGE 4 <br />STAT <br /># <br />TK794 TEST PROCEDURES <br />TEST <br />DATE: <br />08/16/91 Copyright 1985 <br />from bottom of <br />NDE TECHNOLOGY, INC. PROPRIETARY <br />1. <br />(a) <br />THE UNDERGROUND STORAGE TANK SYSTEM CER'T'IFIED TIGHT AT PRODUCT <br />HEIGHT EQUAL TO THE GRADE LEVEL. Yes. <br />from bottom of <br />(b) <br />Allowable leak resolution of instrumentation or allowable change <br />6. <br />Tank top height <br />per California Administrative Code Title 23 Waters, Chapter 3 <br />Water Resources Control Board Subchapters 16 Underground Storage <br />or tank diameter <br />45" <br />Regulations, Part 2643 (b), Page 4.14; 0.05 gallons per hour. <br />*** <br />(c) <br />MEASURED HOURLY CHANGE: LOSS (+) OR GAIN (-} GALLONS OR <br />total time <br />NUMERICAL, LEAK RATE IS: +0.028 Gal./Hr. <br />This measurement is within the legal. limits as defined in (b). <br />calculated <br />(See <br />also computer plots or reduced data of leakage rate, Part I.II) <br />Product level of the storage system at the time of testing: <br />2. <br />Total product level <br />88" <br />3. <br />Fill. pipe height <br />from bottom of <br />tank <br />83" <br />4. <br />Test pipe height <br />from bottom of <br />tank <br />116" <br />5. <br />Grade level <br />from bottom of <br />tank. <br />86" <br />6. <br />Tank top height <br />from bottom of tank <br />excluding piping, <br />or tank diameter <br />45" <br />7. <br />Test conduction <br />- <br />total time <br />Time leak rage <br />calculated <br />2:00 Hours <br />8. <br />Start <br />09:23 <br />9. <br />End <br />11:23 <br />(See also computer plots or.• reduced data of leakage rate, Part III) <br />(Calculated leak rate shall be based on data generated during the <br />second hour of testing) <br />Distance from grade level and/or location at which the test was <br />conducted (tank top level, distance below grade level, distance <br />`.- above grade, etc.) <br />10. Distance from grade level to location <br />test. conducted: +2" <br />11. Fluid level where the test was conducted. Test Stand <br />12. Does the tank show the presence of vapor pockets? <br />No <br />If yes, was the owner informed of steps that must be taken to <br />release all vapor pockets in order to complete testing? <br />Owners of storage tanks ar•e under• a legal obligation to report <br />any leaking tanks to the agency having jurisdiction of the tank <br />test. <br />NDE TECHNOLOGY, INC. PROPRIETARY <br />WATT INC. 3131 FAIRHAVEN DRIVE, BAKERSFIELD, CA 93308 (805) 322--9827 <br />