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2 <br /> 5 .-a�` 3 <br /> September 11 , 1986 <br /> Stockton Unified School District <br /> 1932 North E1 Pinal yRp� <br /> c� Stockton , California 95;'05 <br /> I Attn: Bill Harmening <br /> Re : Petro-Tite Tank Test <br /> A <br /> V <br /> E Dear Bill : <br /> On September 6 , 1986 we performed a Petro-Tite Tank Test <br /> O at 1932 No . E1 Pinal , Stockton , California . The test was <br /> performed by Thomas Franken , E .P.E . Technician . The NFPA code <br /> H 329.02 criteria for a tight tank system is a tolerance of <br /> O - . 050 gallons per hour. Because of the almost infinite var- <br /> X iables involved , this is not intended to be a mathematical <br /> 2 tolerance and is not the permission of actual leakage . <br /> 0 <br /> 7 PRECISION TEST <br /> 4 Tank 4- East <br /> Size - 500 gallon tank <br /> E T Product - Solvent <br /> [� 0 The test showed that an air pocket was <br /> M C evident from the tank being tilted at a 20° <br /> K angle . <br /> T <br /> NThis concludes our test and findings on September 6 , 1986 . <br /> E If you have any questions regarding the results , please con- <br /> c tact me . An extra copy has been included for you to notify <br /> Q your local County Health Department , Environmental Health . If <br /> 9 you have any questions on what your next step should be , <br /> J K please contact your local Health Department immediately. <br /> 2 <br /> 0 Sincerely , <br /> 2 ✓� �� <br /> G Thomas Franken <br /> Certified Tank Testing Technician <br /> 9 <br /> A <br /> 3 <br /> TF!bm <br /> Encl . <br /> 0 <br /> 2 <br /> 2 <br />