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0 0 <br /> SIERRA DELTA CONSULTANTS LLC 14971 Highway 88, Lodi <br /> 5.0 INVESTIGATION FINDINGS <br /> The results of the investigation are presented in the following subsections. <br /> 5.1 Field Observations <br /> The soils encountered at the subject site within the maximum explored depth of 22 feet below <br /> ground surface (bgs) consisted of Sandy Gravel (base rock/fill) down to 2 feet; underlain by dark <br /> brown loamy clay from 2 feet to 22 feet bgs. Shallow groundwater was not encountered during <br /> boring activities.No odors or unusual conditions were noted during the field work. <br /> 5.2 Analytical Results <br /> The following subsections discuss the analytical results for soil and groundwater samples <br /> collected during SDC's investigation. <br /> 5.2.1 Soil Samples <br /> Table I below summarizes the laboratory analytical results for samples analyzed from the <br /> borings. The laboratory data sheets, quality assurance/quality control (QA/QC) results, and <br /> chain-of-custody documentation are presented in Appendix C. <br /> f Mill D SUBSURFACE INVES7l(iA'rION 9 EXCE.162 B <br /> 05/01/2012 <br />