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PUBLIC HEALTH SERVICLS <br />SAN JOAQUIN COUNTY <br />ENVIRONMENTAL HEALTH DIVISION <br />Karen Furst, M.D., M.P.H., Health Officer <br />304 East Weber Avenue, Third Floor • Stockton, CA 95202 <br />209/468-3420 <br />May 27, 1999 <br />D & S DRAGLINE SERVICE, INC. <br />P.O. BOX 705 <br />LOS BANOS, CA 93635 <br />FILE COPY <br />Re: 15,000 Gallon Unleaded Underground Storage Tank at 574 W. Grantline, Tracy <br />The underground storage tank referenced above contained water in the secondary containment <br />annular space during several recent Environmental Health Division (EHD) construction <br />inspections at the site. Water has continued to enter the secondary containment annular <br />space, even after several pumpings were conducted on different days. <br />This tank system cannot be approved for storage of fuel until such time that the secondary <br />containment system is shown to be structurally sound and watertight (CA Health and Safety <br />Code Section 25291 (2)(6). It has come to the attention of the EHD that you may be <br />considering a repair of the tank while it's in the ground. Please note that an approved EHD <br />permit is required prior to any construction work on the tank, including tank entry and inspection. <br />Should the tank be repaired, it must be able to maintain the factory warranty and receive <br />recertification for the existing UL label. <br />The tank manufacturer has also provided the EHD with a safe 24-hour testing procedure using a <br />7 -mm vacuum that will confirm tank tightness. This testing procedure must be performed and <br />passed, prior to EHD approval of the tank system for operation. <br />If you have any further questions, please contact me at (209) 468-3446. <br />Karen Furst, M.D., M.P.H. <br />Health Officer <br />Doug 2sono,St�pervising R.E.H.S. <br />Environmental Health Division <br />DW/dw <br />c: Satnam Singh, Owner <br />A Division of San foaouin Countv Health Care Servi-es <br />