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LCILiQDID CONSTRUCTION, INC. <br />November 25, 1986 <br />Arco <br />P.O. Box 5811 <br />San Mateo, California 94402 <br />Attention: Carl Seward <br />Re: Arco #548 <br />1612 Hammer Ln./Brentwood, Stockton, Calif. <br />Dear Mr. Seward: <br />copvIle"', <br />DEC 2 n 798ti <br />ENVIROMENTAL HEALTH <br />PERMIT/SERVICES <br />On November 20, 1986, a Petro Tite System Test was performed at <br />the above -referenced location. The test was performed by <br />Russell Knudsen, LCI Technician. The NFPA Code 329.02 criteria <br />for a tight system is a maximum loss of .05 gallons per hour. <br />Because of the almost infinite variables involved, this is not <br />intended to be a mathematical tolerance and is not the permission <br />of actual leakage. <br />During the stand -pipe test procedure the internal liquid <br />hydrostatic pressure applied to the underground tank system <br />is generally two to three times greater than normal liquid <br />storage pressures. This increase in hydrostatic pressure will <br />amplify the indicated rate of leak accordingly. <br />SYSTEM TEST <br />Tank No. 5 - West <br />Size - 250 Gallons <br />Product - Waste Oil <br />The test showed a minus .012 gallons per hour. <br />Based on the above criteria, we find the tank tested <br />mathematically tight. <br />This concludes our test and findings on November 20, 1986. if <br />you have any questions regarding the results, please contact <br />me. It is your responsibility to notify your local County <br />Health Department, Environmental Health, within thirty (30) <br />days of the results of this test. This notification is required <br />by the California Administrative Code, Title 23 Waters, Chapter <br />3 Water Resources Control Board, Sub -chapter 16 Underground <br />Tank Regulations, Article 4.30. <br />1054 North `J' Street • Post Office Box 1220 • Tulare, California 93275 • (209) 688-1980 <br />