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CAPACITY 6,000 g PRECISION UNDERGROUND TANK TESTING RESULTS Patent Pending <br />TANK <br />* <br />Middle PAGE 4 <br />STAT <br />* <br />N/A TEST PROCEDURES <br />TEST <br />DATE: 10/27/1988 Copyright 1985 <br />NDE TECHNOLOGY, INC. PROPRIETARY <br />1. <br />(a) <br />THE UNDERGROUND STORAGE TANK SYSTEM CERTIFIED TIGHT AT PRODUCT <br />HEIGHT EQUAL TO THE GRADE LEVEL. Yes <br />169" <br />(b) <br />Allowable leak resolution of instrumentation or allowable change <br />per California Administrative Code Title 23 Waters, Chapter 3 <br />142" <br />6. <br />Water Resources Control Board Subchapter 16 Underground Storage <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 />NUMERICAL LEAK RATE IS: +0.004 Gal/Hr. <br />----------------------------------------------------------------- <br />This measurement is within the legal limits as defined in (b). <br />1:18 Hours <br />(See <br />also computer plots or reduced data of leakage rate, Part III) <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: +3" <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 are 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 />Product level of the storage system <br />at the time of testing: <br />2. <br />Total product level <br />145" <br />3. <br />Fill pipe height <br />from bottom of tank <br />139" <br />4. <br />Test pipe height <br />from bottom of tank <br />169" <br />5. <br />Grade level <br />from bottom of tank <br />142" <br />6. <br />Tank top height from bottom of tank <br />excluding piping, or tank diameter <br />96" <br />7. <br />Test conduction - <br />total time <br />Time leak rate calculated <br />1:18 Hours <br />8. <br />Start <br />10:05 <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: +3" <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 are 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 />