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r oll- <br /> SERVIC S <br /> roll- <br /> PUBLIC HEA,"LTH <br /> i SAN JOAQUIN COUNTY a <br /> ENVIRONMENTAL HEALTH DIVISION - ` <br /> r Karen Furst, M.D., M.P.H., Health Officer :. <br /> a a <br /> 304 East Weber Avenue, Third Floor • Stockton,jCA 95202 tlFo�e <br /> 209/468-3420 <br /> APR 3 0 2001 <br /> TRUST OF MARY GARDELLA ESTATE OF JOE GARDELLA <br /> WINIFRED ALEXANDER DENNIS CASPE ESQ <br /> LoI <br /> 525 2'`'D 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 Enzira mv-tal Site Inzfftigation 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 Apri12000, but <br /> the monitoring wells have not been installed to date. <br /> i <br /> On March 30, 2001, PHS/EHD received the Status Repoit aril Work Plan Addendum(report) <br /> dated March 27, 2001 prepared by Ramage. The report described the CPT work corripleted <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 Iaboratory for analyses. <br /> E <br /> Analytical results of grab groundwater samples frorri CPT-1(April 2000) in <br /> micro rams per liter µ /L <br /> Depth Benzene Toluene Ethyl- Xylenes;. MTBE-1 1,2-DCA'' TPH-g* <br /> { sampled benzene <br /> 1 <br /> 60'bsg 76 61 53 i m.50 11 5,700 <br /> ` '`MTBE: methyl tertiary butyl ether <br /> 1,2-DCA: 1,2-dicholoroetharie 4 <br /> `TPH g: total petroleum hydrocarbons as gasoline <br /> a <br /> Anal cal results Isoils samples les from CPT-1 in M'ramerKUOamZIK <br /> Depth BenzeEthyl- XylenDCsam ledbenzene <br /> 65'bs 0.150.26 0.7300570'bs <0 005 m.0050 m.0000574'bs m.0050).00b8 0.050005 <br /> �s <br /> A Division of San Joaquin County Health Care Services <br /> u <br /> i <br />