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r <br /> File No. 20-3978-01.1`02 hn KLEINFELDER <br /> November 14, 1996 <br /> ATTACHMENT A <br /> SCOPE OF WORK <br /> SEPTIC SYSTEM SAMPLING AND ANALYSIS <br /> (PORTION OF PHASE I ESA <br /> RECOMMENDATION NUMBER 7) <br /> FORMER SPRECKELS SUGAR PLANT <br /> 18800 S. SPRECKELS ROAD <br /> MANTECA, CALIFORNIA <br /> 20-3978-01.1`02 <br /> November 14, 1996 <br /> INTRODUCTION <br /> Kleinfelder has conducted a Phase I Environmental Site Assessment (ESA) of the <br /> property known as the Former Spreckels Sugar Plant in Manteca, California (Kleinfelder <br /> Job No. 20-3978-0I.POI, dated October 18, 1996). Plate 1 shows the location of the <br /> Spreckels property. <br /> At least 5 current or former septic systems are located on site. The purpose of the septic <br /> systems was to receive domestic sewage. It is common to find that unauthorized or <br /> unintended discharge to septic systems of hazardous materials or petroleum products has <br /> occurred. As part of the ESA conducted for the Spreckels property, recommendations <br /> were made for further assessment of several areas of potential soil and/or groundwater <br /> contamination. These included evaluation of the septic systems on site (recommendation <br /> 7). A scope of work for evaluation of the two septic systems located in the farmhouse <br /> area of the site was included in a previous Kleinfelder proposal dated November 5, 1996. <br /> This proposal presents a scope for evaluating the three remaining septic systems. <br /> SCOPE OF WORK <br /> Drilling Permit and Work Plan Submittal <br /> Kleinfelder proposes to advance exploratory Hydropunch II11 soil borings in the vicinity <br /> of the three existing/former septic tanks and associated leach fields. Kleinfelder will <br /> collect soil samples and Hydropunch IIT"" water samples from the borings. The San <br /> Joaquin County Public Health Services Department Environmental Health Division <br /> (PHS/EHD) requires a workplan and boring permit application for exploratory soil <br /> borings drilled for site assessment purposes. The proposed soil/Hydropunch III borings <br /> will require boring permits. Kleinfelder will also prepare a health and safety plan for use <br /> in the field. The health and safety plan will be included as part of the workplan. <br /> 20-3978-01.P021UP960139 Page / of6 01996, Kleinfelder, Inc. <br />