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PUBLIC HEALTH SERVICES <br /> OpQUIIV. C <br /> ). • �..'.' ..O <br /> SAN JOAQUIN COUNTY i <br /> r.� <br /> ENVIRONMENTAL HEALTH DIVISION e: . • :< <br /> Ernest M. Fujimoto, M.D., M.P .H. , Acting Health Officer <br /> 445 N. San Joaquin Street • P.O. Box 388 • Stockton, CA 95201-0388 c9 CiFaa +vr <br /> (209) 468-3420 <br /> Raymond Farmer MAR 0 g 1994 <br /> PO Box 1524 <br /> Stockton CA 95201 - <br /> RE : FORMER UNDERGROUND STORAGE TANKS _ SITE CODE : 1151 <br /> Toyota Town --- _ <br /> 610 North Hunter <br /> Stockton CA 95202 <br /> San Joaquin county Public Health Services , Environmental Health Division <br /> ( PHS /EHD ) has recently reviewed the analytical results of the soil and / or <br /> water samples taken from beneath the underground storage tank ( s ) that were /was <br /> removed from this site on November 6 , 1987 . <br /> The presence of contaminants at your facility exceed the allowable limits of <br /> leaching potential as recommended by the LUFT Manual 1 . The former <br /> underground storage tank ( s ) ( UST ) cannot be recommended for final closure <br /> without further investigation to determine the full extent of the soil and/or , <br /> groundwater problem . <br /> PHS / EHD is providing you notification that an "Underground Storage Tank <br /> Unauthorized Release ( Leak ) /Contaminated Site Report " has been filed pursuant <br /> to Section 25295 of the Health and Safety Code ( HSC ) . The appropriate <br /> disclosure of a hazardous waste discharge pursuant to Section 25180 . 7 of the <br /> Health and Safety Code has been made , and the site has been placed on the list <br /> of contaminated sites in San Joaquin County which is maintained by PHS /EHD . <br /> PHS /EHD has been designated by the State of California Water Resources Control <br /> Board ( SWRCB ) as the local agency overseeing the investigation of leaking <br /> UST9 . Pursuant to Section 25299 . 37 ( HSC ) , " dischargers " must take corrective <br /> action in response to the unauthorized release . <br /> Please be advised that PHS /EHD will be utilizing the SWRCB " Prioritization <br /> system for Leaking Underground Storage Tank Sites " ranking list in order to <br /> prioritize all the contaminated sites . The " Prioritization System" has <br /> established criteria to distinguish between High Priority Sites , Moderate <br /> Priority Sites , and Low Priority Sites . Site specific conditions which <br /> influence the placement within the ranking system are , for example , depth to <br /> groundwater , proximity to a drinking water source ( municipal or domestic <br /> well ) , the extent of soil contamination , and the site ' s clean up funding <br /> availability . <br /> Based upon the priority ranking , you will be directed to begin the required <br /> investigation . However , given the conditions for the prioritization , wherever <br /> possible PHS /EHD will work with you to coincide enforcement directives in <br /> conjunction with secured clean up funding . If you have any questions , contact <br /> the PHS /EHD Site Mitigation Unit for further information at ( 209 ) 468-3450 . <br /> If your tank removal was recent and you are not planning any remedial <br /> activities within 90 days , the tank excavation should be closed . It has been _ <br /> our experience that open tank excavations allow for rapid downward migration <br /> of contaminants . Contact the appropriate building department for specific <br /> requirements that may be necessary prior to filling with pea gravel and/ or <br /> compacting the tank excavation with clean fill soil . <br /> A Division of San .Joaquin County Health Care Services <br />