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BOARD OF TRUSTEES SAN JOAQUIN LOCAL HEALTH DISTRICT <br /> James Cultwison, Pres. SERVING <br /> Patricia E. Vannuccl, Secy. City of Lodi' <br /> Anthonette Ven Spronsen 1601 East Hazelton Avenue, P. O. Box 2009 Sen Joaquin County <br /> Earl Plmenlei Stockton, California 95201 City of Escalon <br /> Fern Bupbee City of Manteca <br /> Daniel L. Flores 209/466-6781 city of Ripon <br /> John D. Meet, M.D. City of Stockton <br /> William J. Wade JoCl Khanna, M.O., M.P.H., District Health Office, City of Tracy <br /> Mary Anna Love San Joaquin County <br /> San Joaquin County <br /> Facility Name i E-4kC- ) Use ST 7��2M111(A (�� <br /> Address 2q L11 I N &Q \f Dp—, S-(K cA Y -s-2z (o <br /> Date of Inspe{ction / — .30 —ff7 _Inspector <br /> Tank(s)# { <br /> MONITORING ALTERNATIVE #8: Tank Gauging <br /> _Qualifying status : Governmental agency <br /> Small business <br /> _ZWritten 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 gagging 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 (12 hours 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 />