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v <br /> �r <br /> AOARO OF TRUSTEES SAN JOAQUIN LOCAL HEALTH DISTRICT SERVING <br /> James Culbertson, Pres. City of Lodi' <br /> Patricia E. Vannucci, Secy. 1601 East Hazelton Avenue, P. O. Box 2009 San Joaquin County <br /> Anthonsttlt• Ven SOron sen City of Eecalon <br /> Earl Pimento] Stockton, Callfornla 95201 City of Mantece <br /> Fern Bupbee 209/466-6781 City of Ripon <br /> Daniel L. Flores City of Stockton <br /> John D. Mast, M.D. City of Tracy <br /> William J. Weds Jopl Khanna, M.D., M.P.H., District Health Officer San Joaquin County <br /> Mary Anna Love San Joaquin County <br /> i <br /> Facility Name k 1;1 <br /> Address s tri , 4. <br /> Date <br /> Date of Inspection Inspector 1114AI 4L9/8, S, <br /> Tank(s)# <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 /> Annual precision testing on tank(s) and piping. <br /> Tank gauging performed as follows: <br /> �. 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 /> Liquid level measurements are taken at the beginning and end of the monitoring <br /> periods (1-2-4hsur4-or- 48 hours) . <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 50 gallons, 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 />