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41C N- <br /> Geologicai Audit Ser., ,,e , In <br /> Environmental Professionals <br /> . rnow 1803W March Lane,Suite •Stockton CA 95207+(209)956-025 r� � 9)956-0700 <br /> ,,ggtober 20, 1993 <br /> P'tdposal No. 1.042 <br /> Mr. Robert Phillips <br /> LOCKEFORD BEACON <br /> 11490 North Alpine Road <br /> Stockton, CA 95212 <br /> Subject: Proposal for Soil and Groundwater Investigation <br /> Lockeford Beacon - <br /> 13975 East Highway 88, Lockeford, California <br /> Dear Mr. Phillips: <br /> In accordance with your request Geological Audit Services, Inc. <br /> (GeoAudit) has prepared this proposal to perform a contaminated <br /> soil and groundwater investigation at the referenced site. The <br /> objective is to determine the extent of soil and groundwater <br /> contamination at the site. <br /> Four monitoring wells are currently on-site. However, during the <br /> most recent sampling event, one of the monitoring wells (MW-4) was <br /> dry. In a letter from the San Joaquin County Public Health Services <br /> - Environmental Health Division (PHS/EHD) dated September 24 , 1993 , <br /> "the full extent of soil and groundwater contamination must be <br /> identified and corrective action performed. " <br /> To further delineate the soil and groundwater contamination at the <br /> site, GeoAudit proposes to install two (2) additional monitoring <br /> wells and drill two (2) soil borings. <br /> The following items are solely included in this proposal: <br /> ■ Submittal of a workplan, site safety and health plan and a <br /> drilling permit to the San Joaquin County Public Health <br /> Services - Environmental Health Division (PHS/EHD) . <br /> a Drilling of a total of four (4) soil borings. Two (2) borings <br /> will be drilled to depths of 65 feet and two (2) borings will <br /> be drilled to depths of approxirately 85 feet. <br /> ■ Collection and logging of soil samples at 5 foot intervals. <br /> a Screening of auger returns and soil samples using a photo- <br /> ionization detector. <br /> ■ Laboratory analysis of selected soil samples. Approximately 14 <br /> soil samples will be analyzed by a state-certified laboratory <br /> I <br /> Full Spectrum Environmental Seances • Wydrogeology <br />