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PUBLIC AEALTH SERV4CEIS� <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> I J <br /> V :4 <br /> Ernest M. Fujimoto, M. D., M.P.H., Acting Health Officer <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 <br /> 209/468-3420 <br /> cclll,-� 00 �� <br /> BRUCE HOTCHKISS <br /> HOTCHKISS MORTUARY <br /> 5 W. HIGHLAND AVE. JUL 1116 1997ij <br /> TRACY CA 95376 <br /> RE: HOTCHKISS MORTUARY SITE CODE: 1411 <br /> 5 W HIGHLAND AVE <br /> TRACY CA 95376 <br /> As a result of reviewing the preliminary site assessment workplan submitted by upgradient Environmental <br /> Consultants dated July 24, 1997 and historical site specific data which confirms the existence of petroleum <br /> products in the subsurface environment at the above referenced site, San Joaquin County Public Health <br /> Services Environmental Health Division(PHS/EHD)provides the following comments and directives: <br /> The soil sample taken beneath the tank at the time of removal was collected at a depth of nine feet below <br /> grade. This investigation should define the lateral and vertical extent of the petroleum hydrocarbon <br /> contamination, so it is required that soil samples be collected at a depth greater than ten feet below grade. <br /> Per San Joaquin County Well Standards the work shall be performed by a C-57 licens'i ed contractor. If <br /> water is above ten feet it will be required that soil samples be collected below the water,and not just until H <br /> ground water is reached as was written in the work plan that Upgradient Environmental Consultants <br /> submitted to this office. <br /> The samples to be analyzed by the laboratory must be discussed with this office prior to their heir submittal to <br /> the laboratory. If Methyl Tertiary Butyl Ether(MTBE)contamination is found using EPA method 8020, <br /> confirm the results using EPA method 8240 or 8260. <br /> Should you have questions regarding this correspondence please contact Bruce Askanas at:(209)468-0331. <br /> Donna Heran, REHS,Director. <br /> Environmental Health Division <br /> ag�o , <br /> Bruce Askanas,Sr. REHS Margare-4 rioupervisor <br /> Site Mitigation Unit Site Mitigation Unit <br /> A Division of San Joaquin County Health Care Services <br />