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PUBLIC H ALTH SERVI � S <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION 1' ` <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 /> STEPHEN VALENTINE UOPY <br /> STEVE & GENES SERVICE <br /> 6232 HEMET AVE <br /> STOCKTON CA 95207AA25im <br /> RE: STEVE &GENES SERVICES SITE CODE: 2080 <br /> 2315 N EL DORADO ST <br /> STOCKTON CA 95204 <br /> The purpose of this letter is to summarize the decisions made between San Joaquin County Public <br /> Health Services, Environmental Health Division (PHS/EHD) and Geological Technics,Inc.staff <br /> members at the above-referenced site on August 21, 1999. <br /> Collection of soil and pore-water samples using SimulProbe technology and installation of two short <br /> screened deep monitoring wells (MW-101 and MW-201) at the site were originally proposed in <br /> Work Plan Addendum#2 dated February 15, 1999 prepared by Geological Technics,Inc. The proposed <br /> work took place between August 19 and August 21, 1999. <br /> Due to tight grain clayey soil and silting problem encountered in the bottom of the boring originally <br /> J intended for the installation of MW-201,PHS/EHD agreed with the Geological Technics field staff to <br /> not construct a well. The respective boring was renamed SB-201 and was tremmie grouted after final <br /> SimulProbe soil and water samples were collected at 111.5 feet below surface grade(bsg). PHS/EHD <br /> recommends that all the discrete soil and water samples obtained by the SimulProbe be analyzed for all <br /> oxygenates. DIPE and TBA have been detected in previous ground water samples. Since one of the two <br /> wells originally proposed was not installed, it is important that the data obtained be maximized. <br /> The domestic well at 60 Castle Street had not been destroyed. PHS/EHD recommends collecting a <br /> water sample from the well at the next quarterly sampling and analyze for gasoline,aromatic <br /> hydrocarbons,and oxygenates. <br /> If you have any questions,please feel free to contact Jeffrey Wong at (209) 468-0335. <br /> Donna Heran,REHS,Director <br /> Environmental H th Division <br /> 1 <br /> V r� <br /> effrey Wong,REHS Margaret L`' orio,REHS <br /> LOP/Site Mitigation Unit IV Supervisor <br /> c: RWQCB, Central Valley Region-Mark List <br /> c: Geological Technics,Inc. -Raynold I. Kablanow <br /> A Division of San Joaquin County Health Care Services <br />