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,1 "Imp <br /> � 1 s ; Working to Restore Nature <br /> 1710 Main Street <br /> Escalon, CA 95320- J U L 1 0 i992 <br /> Phone: (209)838-3507 <br /> FAX: (209)838-3509 ENVIRONMENTAL HEA-L <br /> ERMIT/SERVIC July 8, 1992 <br /> Mr. Michael Infurna, REHS <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P.O. Box 2009 <br /> Stockton, CA 95021 <br /> f <br /> RE: Addendum to- the Summary Report --Soil Contamination Assessment/Source - <br /> Removal & :Work Plan for Additional Investigation,'-dated'•September 20; 1991, <br /> St. Joseph's Medical Center of Stockton, McCloud Avenue and Cemetery Lane, <br /> Stockton, CA (Figure 1) <br /> f � <br /> DearMr. Infurna: <br /> II <br /> In response to the conversation between yourself.and Mr. Greg Stahl (California Registered, <br /> Geologist No. 5023) of our office, RESNA Industries (Rh SNA) is-submitting this addendum_ to <br /> the above referenced-report/workplan. <br /> To enable you to evaluate the leaching potential to -groundwater of petroleum{hydrocarbon <br /> contamination at the site RESNA proposes the following activities: <br /> i <br /> 1} Hand auger two soilFborings to a total depth.of 10 feet below grade. One boring <br /> will be drilled near product line sample'12 and the second boring will be drilled <br /> between product line samples 15 and .16; <br /> 2) Collect-two�soil"samples from each boring, one at five feet,below grade and the <br /> second at 10 feet :below grade; <br /> 3) Analyze the above,samples forbbenzene, toluene,.ethylbenzene, xylenes (BTEX) <br /> and total petroleum hydrocarbons as diesel (TPHD) by EPA methods 8020 and <br /> 5030/8015, respectively. <br /> LR070892.LF <br /> 1 <br /> i <br />