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CAPACITY 15000 sf PRECISIO NDERGROUND TANK TESTING R. ULTS Patent Pendinz <br />TANK <br /># Diesel PAGE <br />4 <br />STAT <br /># Sheriff <br />TEST PROCEDURES <br />TEST <br />DATE: <br />09/06/91 Copyright <br />1985 <br />NDE TECHNOLOGY,; INC. PROPRIE'T'ARY <br />1. <br />(a) <br />THE UNDERGROUND STORAGE TANK <br />SYSTEM CERTIFIED ITIGH`P AT PRODUCT <br />HEIGHT EQUAL TO TIIE GRADE LEVEL. <br />Yes. <br />(b) <br />Allowable leak resolution of <br />instrumentation or';a.11owable change <br />per California Administrative <br />Code Title 23 Waters, Chapter 3 <br />Water Resources Control Board <br />Subchapter 16 Un''derground Storage <br />Regulations, Part: 2643 (b), Page <br />4.14; 0.05 gallons per hour. <br />K** <br />(c) <br />MEASURED HOURLY CHANGE: LOSS <br />(+) OR GAIN (-) GALLONS OR <br />NUMERICAL LEAK RA'Z'E IS: +0.003 <br />Gal/Hr. <br />This measurement is within the <br />legal limits as defined in (b). <br />(See also <br />computer plots or reduced <br />data of leakage rate, Part III) <br />Product <br />level of the storage system <br />at the time of testing: <br />2. <br />Total <br />product level <br />157" <br />3. <br />Fill <br />pipe height <br />from <br />bottom of tank <br />160" <br />4. <br />Test <br />pipe height <br />from <br />bottom of tank <br />193" <br />5. <br />Grade <br />level <br />from <br />bottom of tank <br />163" <br />6. <br />Tank <br />top height from bottom of tank <br />excluding <br />piping, or tank diameter <br />126" <br />7. <br />Test <br />conduction - <br />total <br />time <br />Time <br />leak rate calculated <br />2:02 Hours <br />8. <br />Start <br />11:15 <br />9. <br />End <br />13:17 <br />(See also computer plots or reduced data of leakage rate, Part III) <br />(Calculated leak rate, shall he 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: -6" <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 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 F'AIRHAVEN DRIVE, BAKERSFIELD, CA 93308 (805) 322--9827 <br />