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CAPACITY 25000 g PRECISION UNDERGROUND TANK TESTING RESULTS Patent Pending <br /> TANK # D-67-01 Diesel PAGE 4 <br /> STAT # UE-042 TEST PROCEDURES <br /> TEST DATE : 10/13/89 Copyright 1985 <br /> NDE TECHNOLOGY, INC . PROPRIETARY <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 1.6 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 . 004 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 III ) <br /> Product level of the storage system at the time of testing: <br /> 2 . Total product level 161" <br /> 3 . Frill pipe: height <br /> from bottom of tank 161 " <br /> 4. Test pipe height <br /> from bottom of tank 191" <br /> 5 . Grade level <br /> from bottom of tank 171" <br /> 6. Tank top height from bottom of tank <br /> excluding piping, or tank diameter 143" <br /> 7. Test conduction - <br /> total time <br /> Time leak rate calculated 1 : 59 Hours <br /> 8. Start 08: 54 <br /> 9. End 10 : 53 <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: 10" <br /> II . 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 he taken to <br /> release all vapor pockets in order to complete testing? <br /> Owners of storage Minks 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 , BAKERSFIEI.D , CA 93308 ( 805) 322 -9827 <br />