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I <br />CAPACITY 25000 g PREClSIONODERGROUND TANK TESTING RE*tTS Patent Pending <br />TANK * Unleaded PAGE 4 <br />STAT * Sheriff TEST PROCEDURES <br />TEST DATE: 09/06/91 Copyright 1985 <br />NDE TECHNOLOGY, INC. PROl"RIETARY <br />1. (a) THE UNDERGROUND STORAGE TANK SYSTEM CERTIFIED TIGHT AT PRODUCT <br />HEIGHT EQUAL TO THE GRADE LEVEL. Yes. <br />(b) Allowable leak resolution of instrumentation or allowable change <br />per California Administrative Code Title 23 Waters, Chapter 3 <br />Water Resources Control Board Subchapter 16 Underground Storage <br />Regulations, Part 2643 (b), Page 4.14; 0.05 gallons per hour. <br />(c) MEASURED HOURLY CHANGE: LOSS (+) OR GAIN GALLONS OR <br />NUMERICAL LEAK RATE IS: -0.040 Gal/Hr. <br />This measurement is within the legal limits as defined in (b). <br />(See also computer- plots or reduced data of leakage rate, Part 111) <br />Product level of the storage system at the time of testing: <br />2. Total product leve-1 158ff <br />3. Fill pipe height <br />from bottom of tank 159" <br />4. Test pipe height <br />from bottom of tank 179" <br />5. Grade level <br />from bottom of tank 158" <br />6. Tank top height from bottom of tank <br />excluding piping, or tank diameter 106" <br />7. Test conduction ... <br />total time <br />Time leak rate calculated 3:59 Hours <br />8. Start 12:11 <br />9. End 16:10 <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: oft <br />11. Fluid level where the test was conducted. Fill Pipe <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 <br />anks are under a legal obligation i ' o 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 />