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I <br /> • 11 February 2005 <br /> AGE-NC Project No 00-0696 <br />' Page 2 of 7 <br />' both ends of the middle sleeve were covered with Teflon sheets, capped, and sealed with tape The <br /> sample sleeves were labeled, stored on ice, and transported under chain of custody to Cal Tech <br /> Environmental Laboratories (CTEL), a State of California Department of Health Services (DHS)- <br /> certified analytical laboratory, for analysis Selected soil samples were analyzed for <br /> • Total petroleum hydrocarbons quantified as gasoline and diesel (TPH-g and TPH-d, <br />' respectively) in accordance with EPA Method 8015 Modified, and <br /> • Benzene,toluene,ethylbenzene, and total xylenes(BTEX)and fuel oxygenates di-isopropyl <br />' ether (DIPE), methyl tertiary-butyl ether (MTBE), ethyl tertiary-butyl ether (ETBE), <br /> tertiary-amyl methyl ether(TAME),tertiary butanol(TBA), 1,2-dichloroethane(1,2-DCA), <br /> and 1,2-dibromoethane (EDB) by EPA Method 8260B <br /> The sampling equipment was washed in an Alconox solution and rinsed with water prior to each <br />' sampling run to minimize cross-contamination <br />' 2 12 Logging <br /> Soil was extruded from a remaining brass sleeve and visually described In accordance with the <br />' Unified Soil Classification System (see Appendix B for boring logs) <br />' 2 1 3 Well Completions <br /> Pilot bonngs MW 1 through MW4 were completed as ground water monitoring wells MW-1 through <br />' MW-4 using 2-mch diameter polyvinylchlonde (PVC) casing with a 0 020-inch slotted screen <br /> installed from 5 feet to 25 feet bsg The filter pack (No 3 Lonestar sand) was installed from 4 feet <br /> to 25 feet bsg, and a nominal 2-foot bentonite chip plug was installed above the filter pack and <br />' hydrated The remaining annular space was filled to near the surface with neat cement and water- <br /> tight,traffic-rated well boxes were installed over the wells As-built well diagrams are depicted on <br />' the boring logs in Appendix B <br />' 2 14 Monitoring Well Development <br /> On 03 November 2004,monitoring wells MW-1 through MW-4 were developed utilizing a Waterra <br />' inertia pump and steel bailer Ground water was purged from each monitoring well until it was <br /> visually sediment-free, approximately 30 to 40 gallons of water were removed from the wells <br /> Advanced GeoEnvironmental,Inc <br /> I <br />