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t <br /> * CAMB RIA <br /> Based on these soil results, SJCPHS/EHD requested further assessment of impact to soil and <br /> groundwater beneath the site Cambria submitted a work plan on July 31, 2001 and the <br /> investigation results are presented below <br /> INVESTIGATION RESULTS <br /> Personnel Present- Cambria geologist Geno Mamminm directed the field activities, <br /> working under the supervision of California Registered <br /> Geologist Joe Neely <br /> Permit Permit No 0027031 was obtained from the SJCPHS/EHD <br /> (Appendix A) <br /> Drilling Company Gregg In Situ, Inc (Gregg) of Martinez,California(C57 License <br /> No 656407) <br /> Drilling Dates• October 4 and 5, 2001 <br /> • Drilling Method Coneenetration testing CPT <br /> p g( ) <br /> Number of Borings Two CPT borings (SB-1 and SB-2) were drilled near the <br /> northwestern dispenser as shown on Figure 2 <br /> Boring Depths Boring S13-1 was advanced to 75 13 fbg, and boring SB-2 was <br /> advanced to 30 02 fbg (Table 1) <br /> Soil Sampling Methods Soil lmthology was logged continuously using CPT logging <br /> equipment The CPT boring logs are presented in Gregg's CPT <br /> Site Investigation Report (Appendix B) Soil samples were <br /> collected at five-foot intervals in borings SB-1 and SB-2 to <br /> 30 fbg, and at ten-foot intervals in boring SB-1 from 30 fbg to <br /> 60 fbg for potential chemical analysis, and head-space analysis <br /> Soil samples from each interval were screened for the presence <br /> of organic vapors using a photo-ionization detector (PID) <br /> Groundwater Sampling A groundwater sample was collected from. boring SB-1 using <br /> Hydropunch sampling equipment <br /> i <br /> 0953 2 <br /> _j I f <br />