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SOARD of TRUSTEES SAN JOAQUIN LOCAL HEALTH DISTRICT <br /> James Culbertson. Pres. SERVING <br /> Patricia E. Vannuccl. Secy. City of Lodi' <br /> Anthonelte Van Spronsen 1601 East Hazelton Avenue, P. O. Box 2009 San Joaquin County <br /> Earl Pimentel Stockton. Callfornle 95201 City of E@colon <br /> Fern 9upbee City of Manteca <br /> Daniel L. Flores 209/466-6781 City of Ripon <br /> John D. Mast. M.D. City of Stockton <br /> Wililam J. Wade Jopl Khanna. M.D.. M.P.H.. District Health Officer City of Tracy <br /> Mary Anna Love San Joaquin County <br /> San Joaquin County <br /> Facility Name /,i,f�, ;;,• ; ;;.., ,; <br /> Address __.[ Yi;�, i �,� �� /'� /• -K 4l <br /> Date of Inspection Inspector <br /> MONITORING ALTERNATIVE #8: Tank Gauging <br /> Qualifying status: Governmental agency <br /> Small business <br /> -Written contract for removal or replacement <br /> Limited to underground storage tanks where ,the liquid level in the tank can be measured <br /> to an accuracy of 1% of the tank volume or 50 gallons, whichever is less, when the tank <br /> is half full . <br /> This monitoring alternative shall include: <br /> L. /Annual precision testing on tank(s) and piping. <br /> 1,-'TaAk gauging performed as follows: <br /> -4.../—Tank must be capable of being secured to prevent unauthorized inputs and <br /> withdrawals. <br /> Tank must have no inputs or withdrawals for a period of 12 hours three times <br /> per week. <br /> Tank must have no inputs or withdrawals for at least a 48 hour period (2 days) <br /> at the end of consecutive periods lasting up to 7 days. <br /> (For example: Tank in use Monday through Friday, then locked <br /> over weekend) . <br /> Z�iquid level measurements are taken at the beginning and end of the monitoring <br /> periods (12 hours or�-°��,� ). <br /> (For example: Level measured and recorded Friday night before locking <br /> and again on Monday morning before opening. ) <br /> � , If liquid level varies more than 1% of the tank volume or 509 allons which <br /> ever is less, between measurements , an unauthorized release shall be assumed <br /> to have occurred and shall be reported to the local agency within 24 hours, <br /> as per Article 5 Sect. 2652 of the Regulations, and further evaluations shall <br /> be performed to verify or disprove the variations. <br />