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. , I <br />' 11 November 2004 <br /> AGE-NC Project No 02-0962 <br />' Page 4 of 14 <br /> For each sample,both ends of the second or other selected'sleeve were covered with Teflon sheets, <br /> capped and sealed with tape The samples were labeled, stored on ice and transported under chain <br /> of custody to Cal Tech Environmental Laboratories (CT_EL), a State of California Department of <br /> H <br /> i ' ealth Services (DHS)-certified analytical laboratory f _ _ <br /> ' Soil was extruded from a second brass sleeve and screened for the presence of organic vapor using <br /> an organic vapor meter(OVM)equipped with a photo-ionization detector(PID),the OVM readings <br /> i' were recorded on the boring log The soil was then visually described in accordance with the Unified <br /> Soil Classification System (see Appendix A) <br />' -3 12 Monitoring Well Completions 4 <br /> iPilot borings MW 1 through MW3 were completed as ground water monitoring wells MW-1 through <br /> MW-3 using two-inch diameter PVC casing with 0 020-inch slotted screen installed from <br /> i approximately 15 feet to 35 feet bsg in MW-1 through MW-3 with blank casing extended to the <br /> surface A filter pack(No 3 Lonestar sand)was installed from approximately 14 feet to 35 feet bsg, a <br /> a nominal 2-foot interval of bentonite pellets was then installed above the filter pack and hydrated <br /> i• The wells were then grouted to near the surface with portland cement Water-tight,traffic-rated well ; <br /> boxes were then installed over the completed wells As-built well diagrams are depicted on the <br /> boring logs in Appendix A <br /> i <br /> 3 1 3 Monitoring Well Development <br /> On 05 August 2004, monitoring wells MW1 through MW-3 were developed utilizing a stainless <br /> i steel hand bailer and/or a Waterra inertia pump and dedicated hose Ground water was purged from <br /> each monitoring well until ground water was visually sediment free Between,10 and 20 gallons of <br /> watey ere removed from wells MW-1 through MW-3 Purged ground water was containerized in <br /> properly labeled DOT-approved model 17H 55-gallon drums and stored,on-site Field sheets and <br /> i data are included in Appendix B <br /> i32 CPT BORING'ADVANCEMENT <br /> x I <br /> i1 <br /> On OS Ae F r <br /> ugust 2004, one paired soil boring(CPT-1)was advanced on site(Figure 2), lithologic data <br /> was collected from the initial boring utilizing CPT technology, and soil and grab ground water <br /> samples from selected depths were collected from an immediately adjacent twin boring , <br /> �5 Advanced GeoFnvironmental,Inc <br /> G ' ' <br /> � 1 <br />