Laserfiche WebLink
CAMBRIA <br /> i <br /> potential chemical analyses, and headspace analysis Soil <br /> samples were screened for the presence of organic vapors using <br /> a photo-ionization detector (PID) The PID readings are <br /> recorded on the boring logs (Appendix B) <br /> Number of Bonngs Five hollow-stem auger borings (MW-2 through MW-6) were <br /> converted into groundwater monitoring wells Boring and well <br /> specifications are described in Table I and locations are shown <br /> on Figure 2 <br /> Boring Depths Well borings MW-2 and MW-4 through MW-6 were drilled to <br /> `f <br /> 70 fbg and well boring MW-3 was drilled to 72 fbg <br /> Groundwater Depths During drilling activities, groundwater was observed in well <br /> borings MW-2 through MW-6 at depths ranging from 62 to <br /> 63 5 fbg Blaine Tech Services, Inc (Blaine) of San Jose, <br /> California measured groundwater in wells MW-2 through MW-6 <br /> at depths ranging from 6155 to 63 23 fbg on <br /> September 30, 2002 Blaine's well gauging data is included in <br /> Appendix C <br /> Sod Types Soil types encountered during drilling consisted predominantly <br /> of clayey and sandy silt (ML) to approximate depths of 17 to <br /> 27 fbg, underlain by sand (SP) and silty sand (SM) to depths of <br /> 37 to 42 fbg, underlain by sandy silt (ML) to depths of 47 to <br /> 52 fbg, underlain by sand (SP) and/or silty sand (SM) to depths <br /> of 69 to 70 fbg A layer of clayey silt (ML) was also <br /> encountered in MW-3 from 69 fbg to the total explored depth of <br /> 72 fbg Soil types from the well borings are recorded on the <br /> boring logs(Appendix B) <br /> Chemical Analyses Selected soil and groundwater samples from the well borings <br /> were analyzed for TPHg, BTEX, and fuel oxygenates (MTBE, <br /> di-isopropyl ether, TAME, ethyl tertiary butyl ether, and tertiary <br /> butanol) by EPA Method 8260B <br /> Sod Disposal: Approximately 12 cubic yards of soil were generated during <br /> field activities, stored onsite, and covered with plastic sheeting <br /> 0953 3 <br /> ' I <br />