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PUBLIC HEALTH SERVICES USN <br /> SAN JOAQUIN COUNTY '0 <br /> ENVIRONMENTAL HEALTH DIVISION y <br /> r 5 <br /> Karen Furst, M D., M P H , Health Officer <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 CA<<FgR�\P <br /> 2091468-3420 <br /> ' APR 3 0 200 <br /> TRUST OF MARY GARDELLA ESTATE OF JOE GARDELLA <br /> WINIFRED ALEXANDER DENNIS CASPE ESQ <br /> 525 2N'' ST 2035 N PACIFIC AVE <br /> ' SANTA CRUZ CA 95060 SANTA CRUZ CA 95060 <br /> RE STEFANOS GASOLINE <br /> 1419 E CHARTER WAY <br /> STOCKTON, CA 95205 <br /> The Enummw9al Sae lnt hgatron 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 ((::PT) 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/EHD received the Stauis Report and Work PlanAddmckon(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 adjacent to the CPT boring The soil samples and grab groundwater <br /> sample were submitted to a laboratory for analyses <br />' Analytical results of grab groundwater samples from CPT-1 (April 2000) in <br /> micrograms per liter (µ/L) <br />' Depth I Benzene I Toluene Ethyl- Xylenes MTBE-- 1,2-DCA' TPH-g" <br /> sam led benzene <br /> 60' bsg 76 61 53 280 m 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 can results of soil samples from CPT-1 in milli rams per kilo ram m /k <br /> Depth Benzene Toluene Ethyl- Xylenes MTBE 1,2-DCA TPH-g <br /> sampled benzene <br /> 65' bsg 015 0 14 026 073 m 0050 <0 0050 10 <br /> 70' bsg m 0050 00071 m 0050 m 0050 m 0050 m 0050 m 0050 <br /> 74' bsg m 0050 0 020 00068 0 050___L<0 0050 m 0050 Q 0 <br />' A Division of San Joaquin County Health Care Services <br />