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V <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br /> °PQ_u!" SAN JOAQUIN COUNTY <br /> Donna K.Heran,R.E.H.S. Unit Supervisors <br /> Director 304 East Weber Avenue, Third Floor Carl Borgman,R.E.H.S. <br /> Al Olsen,R.E.H.S. Stockton, California 95202-2708 Mike Huggins,R.E.H.S.,R.D.I. <br /> o�� �c • Program Manager <br /> Douglas W.Wilson,R.E.H.S. <br /> Laurie A.Cotulla,R.E.H.S. <br /> qui FoR� Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S.Program Manager Fax: (209) 46414138 Robert McClellon,R.E.H.S. <br /> Mark Barcellos,R.E.H.S. <br /> JOHN & MARGARET MARCI <br /> 20 MOBILE LANE <br /> CRESCENT CITY CA 95531-8409 <br /> RE: John and Margaret Marci Property <br /> 2969 Loomis Road <br /> Stockton, California 95205 <br /> WORK PLAN: Additional Site Characterization Work!Plan Addendum <br /> DATED: Aprill8, 2005 <br /> PREPARED BY: Geological Technics, Inc. <br /> APPROVED X j <br /> DISAPPROVED ❑ <br /> i <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN [Health&Safety <br /> Code (H&S) Section 25296.10(c)(3)]: <br /> 1. Advancement of ten twin cone penetrometer test (CPT) borings; CPT-1 borehole will be <br /> advanced to a depth of approximately 120 feet below the ground surface (bgs) and the <br /> remaining nine CPT borings will be advanced to an appropriate depth based on the <br /> lithology and field observations obtained during the advancement of CPT-1. Adjacent <br /> twin boreholes will be advanced to collect between one and four discreet soil,"and one <br /> and three groundwater samples from each borehole. <br /> 2. Groundwater and selected soil['samples will be analyzed by a State of California <br /> Department of Health Services certified environmental laboratory for the following: f <br /> • Total petroleum hydrocarbons as gasoline (TPH-g) by United States <br /> Environmental Protection'Agency (EPA) SW-846 Method 8015B; <br /> benzene, toluene, ethyl benzene,and total xylenes (BTEX), by EPA SW-846 <br /> Methods 602/8021; and total extractable petroleum hydrocarbons as diesel <br /> (TEPH-diesel) by EPA SW-846 Method 8015B. <br /> COMMENTS AND CONDITIONS: <br /> 1. Please submit a boring permit application and fee of$89.00 to San Joaquin County <br /> Environmental Health Department (EHD). <br /> 2. Notify EHD at least 72 hours prior to the proposed scheduled work date. ' <br /> G <br /> i <br /> I <br /> i <br /> r <br /> ii <br />