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'60ARD OF TRUSTEES SAN JOAQUIN LOCAL HEALTH DISTRICT SERVING <br /> James Culbertson, Pros. <br /> Patricia E. Vannuccl. Secy. City of Loaf <br /> Anthonotts Van Spronsen 1601 Eaat Hazelton Avenue, P. O. Box 2009 San Joaquin County <br /> Earl Pimentsl Stockton, California 95201 City of Escalon <br /> Fern Supbes City of Manteca <br /> Daniel L. Florae 209/466-6781 City of Ripon <br /> John 0. Mast, M.D. City of Stockton <br /> William J. Weds City of Tracy <br /> Jopl Khanna, M.O., M.P.H., District Health Officer San Joaquin County <br /> Mary Anna Low // San Joaquin County <br /> Facility Name _ lly?wEE ,, E-7- <br /> Address ($(pp0 ¢12pL OCCOC/��d• i4GS <br /> Date of Inspection (/a A-7 Inspector <br /> t <br /> Tank(s)# ( ':2 <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 /> Vfank gauging performed as follows: <br /> Tank must be capable of being secured to prevent unauthorized inputs and <br /> withdrawals. <br /> V//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 /> C/ over weekend) . <br /> _Liquid level measurements are taken at the beginning and end of the monitoring <br /> periods (12 hours or-48--goers-), <br /> (For example: Level measured and recorded Friday night before locking <br /> and again on Monday morning before opening. ) <br /> Zif 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 />