Laserfiche WebLink
W � <br /> C A M B R I A <br /> east Historically, the groundwater flow direction has been predominantly easterly, with some <br /> variation <br /> Based on the perched water analytical results from the 1997 investigation, SJCEHD requested <br /> that additional investigation be conducted in the northwestern dispenser area Cambria submitted <br /> the requested work plan on June 17,2002, and the results of this work are presented below <br /> INVESTIGATION RESULTS <br /> Personnel Present: Cambna geologist Scott Lewis directed the field activities, <br /> working under the supervision of California Registered <br /> Geologist Ana Friel <br /> Permit. Cambna obtained permit No 31453 from SJCEHD <br /> (Appendix A) <br /> Dnlltng Company• Gregg Drilling and Testing, Inc of Martinez, California (C57 <br /> License No 485165) <br /> Drilling Date October 16, 2002 <br /> Drilling Method 5 25-inch hollow-stem auger <br /> Number of Borings• Two hollow-stem auger borings (B-3 and B-4) Boring <br /> specifications are described in Table 1 and locations are shown <br /> on Figure 2 <br /> Boring Depths Soil borings B-3 and B-4 were drilled to 42 fbg <br /> Soil Sampling Methods. Cambna logged soil types from the borings using the Unified <br /> Soil Classification System and Munsell Soil Color Charts Soil <br /> samples were collected continuously for soil description and at <br /> five-foot intervals for potential chemical analyses and headspace <br /> analysis Soil samples were screened for the presence of organic <br /> vapors using a photo-ionization detector (PID) The PID <br /> readings are recorded on the boring logs (Appendix B) <br /> • <br /> 0832 3 <br />