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(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: -63" <br />11. Fluid level where the test was conducted. In Tank <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, 1NC. PROPRIETARY <br />WATT INC. 3131 FAIRHAVEN DRIVE, BAKERSFIELD, CA 03308 (805) 322--9827 <br />CAPACITY <br />10000 g }RECISION UNDERGROUND DANK <br />TESTING htEsSULIS Patent Pending <br />TANK <br /># Unleaded PAGE <br />4 <br />STAT <br /># 120 TEST PROCEDURES <br />TEST <br />DATE: 08/22/91 Copyright; <br />1985 <br />NDE TECHNOLOGY, INC. PROPRIETARY <br />1. <br />(a) THE UNDERGROUND STORAGE `.LANK <br />SYSTEM CERTIFIED TIGHT AT PRODUCE' <br />HEIGHT EQUAL TO THE GRADE LEVEL. <br />Yes. <br />(b) Allowable leak resolution of <br />instrumentation or allowable change <br />per California Administrative <br />Code Title 23 Waters, Chapter 3 <br />Water- Resources Control Board <br />Subchapter 16 Underground Storage <br />Regulations, Part 2643 (b), Page <br />4.14; 0.05 gallons per hour. <br />k** <br />(c) MEASURED HOURLY CHANGE: .LOSS <br />Q) OR GAIN (-} GALLONS OR <br />NUMERICAL LEAK RATE IS: ---0.008 <br />----------------------------------------------------------------- <br />Gal/Hr. <br />This measurement: is within the <br />legal limits as defined in (h) . <br />(See also computer plots or reduced <br />data of leakage rate, Fart 111) <br />Product level of the storage system <br />at the time of testing: <br />2. <br />Total product level. <br />79" <br />3. <br />Fill pipe height <br />from bottom of tank <br />135' <br />4. <br />Test pipe height <br />from bottom of tank <br />R lit . „ <br />142" "n <br />5. <br />Grade level <br />- s` <br />from bottom of tank <br />1421" E P 2 <br />6. <br />Tank top height from bottom of tank <br />excluding piping, or tank diameter <br />91" <br />7. <br />Test conductioIl <br />total time <br />Time leak rate calculated <br />2:01 Hours <br />8. <br />Start <br />10:09 <br />9. <br />End <br />1.2:10 <br />(See also computer- plots or reduced <br />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: -63" <br />11. Fluid level where the test was conducted. In Tank <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, 1NC. PROPRIETARY <br />WATT INC. 3131 FAIRHAVEN DRIVE, BAKERSFIELD, CA 03308 (805) 322--9827 <br />