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PUBLIC HEALTH SERVICES 0U"y <br /> SAN JOAQUIN COUNTY r,a co <br /> ENVIRONMENTAL HEALTH DIVISION y <br /> 1 Karen Furst, M D , M PH , Health Officer <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 <br /> ' 209/468-3420 <br /> APR 3 0 2001 <br /> 1 TRUST OF MARY GARDELLA ESTATE OF JOE GARDELLA <br /> WINIFRED ALEXANDER DENNIS CASPE ESQ <br /> 525 2' ST 2035 N PACIFIC AVE <br /> SANTA CRUZ CA 95060 SANTA CRUZ CA 95060 <br /> RE STEFANOS GASOLINE <br /> 1419 E CHARTER WAY <br /> STOC KTON, CA 95205 <br /> ' The Enunrrrmzal SiteIntertigizt= Work Plan(work plan) dated December, 13, 1999, prepared <br /> by Ramage Environmental for Wright Environmental Services,Inc (Wright) was <br /> conditionally approved by San Joaquin County Public Health Services Environmental Health <br /> ' Division (PHS/EHD) on December 27, 1999 The work plan was approved under the <br /> condition that the cone penetrometer testing (CPT) portion of the work be completed <br /> before installing the monitoring wells, with a contingency for installation of additional <br /> monitoring wells based on CPT results The CPT boring was performed in April 2000, but <br /> the monitoring wells have not been installed to date <br /> On March 30, 2001,PHS/EHID received the Statta Report and Work Plan A ddenium(report) <br /> dated March 27, 2001 prepared by Ramage The report described the CPT work completed <br /> in April 2000 One discrete grab groundwater sample was collected using a Simulprobe at 60 <br /> ' feet below surface grade (bsg) Three soil samples were collected 65, 70, and 74 feet bsg <br /> from a separate boring ad)acent to the CPT boring The soil samples and grab groundwater <br /> sample were subrrutted to a laboratory for analyses <br /> ' Analytical results of grab groundwater samples from CPT-1 (April 2000) in <br /> micrograms perliter µ /L <br /> Depth Benzene Toluene Ethyl- Xylenes BE 1,2-DCATPH-g <br /> sam led I I benzene <br /> 60' bsg 76 161 153 1280 1 <0 50 11 5,700_ <br /> MTBE methyl tertiary butyl ether <br /> 1,2-DCA. 1,2-dicholoroethane <br /> TPH g total petroleum hydrocarbons as gasoline <br /> Anal cal results of soil samples firom CPT.1 in milli rams er kilo tarn (mg11-51 <br /> Depth Benzene Toluene Ethyl- Xylenes MTBE 0-DCA TPH-g <br />' <br /> sampled benzene <br /> 65' bsg 015 -014 0.26 073 m 0050 <0 0050 10 <br /> 70, bsg m 0050 00071 <00050 m 0050 m 0050 m 0050 m 0050 <br /> 74' bsg m 0050 0 020 100068 0 050 m 0050 m 0050 Q 0 <br />' A Division of San Joaquin County Health Care Services <br />