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CAM B R I A Date December 30, 2005 <br /> Is <br /> Quarter 4 h Quarter 2005 <br /> includes analytical reports for well sampled under Cambria direction Analytical reports for <br /> RFS are provided by AGE on behalf of RFS <br /> Select groundwater samples were analyzed for total petroleum hydrocarbons as diesel (TPHd) <br /> and total petroleum hydrocarbons as motor oil (TPHmo) by modified United States <br /> Environmental Protection Agency (EPA) Method SW8015C, total petroleum hydrocarbons as <br /> gasoline (TPHg), benzene, toluene, ethylbenzene, and xylenes (BTEX) by EPA Method <br /> SW8021B methyl tertiary-butyl ether(MTBE), tertiary-amyl methyl ether(TAME), tertiary butyl ��,,e- <br /> alcohol (TBA), - ` diisopropyl ether (DIPE), ethylene dibromide (Ep4,-F4-,,m <br /> Ma /mss <br /> ethanol, ethyl tertiary-butyl ether (ETBE), methanol and 1,2-dichloroethane (1,2-DCA) by EPA <br /> WW Method SW8260B <br /> TPHd was detected in 7imco wells MW-1 and the MW-9 at concentrations of 54,000 micrograms <br /> per liter (gg/L) and 180 gg/L, respectively TPHd was also detected in RFS well MW-6 at a <br /> concentration of 26QQ0 p,g/L TPHg and benzene were detected in well MW-1 at concentrations 5� <br /> of 330 gg/L and gg/L, respectively TPHg was detected at 300 gg/L in RFS well MW-8 <br /> � a <br /> TPHmo was detect- well MW-1 at a concentration of 22,000 gg/L MTBE was detected in <br /> • ��©� wells MW-1, and MW-10 at concentrations of 38 pg/L, 200 gg/L and 340 gg/L, 5�1p <br /> i respectively TBA was detected in wells MW-1 and MW-9 at concentrations of 570 gg/L and 78 7 <br /> ' <br /> f-- r <br /> gg/L, respectively TAME was only detected in RFS well MW-8 at a concentration of 6 gg/L A <br /> summary of groundwater analytical results is presented in Table 1 and Figure 2 <br /> Groundwater monitoring data for wells gauged and sampled under the direction of Cambria for <br /> the fourth quarter 2005 have been submitted to the GeoTracker database and the related <br /> confirmation is attached as Appendix D <br /> ATTACHMENTS <br /> Figure 1 Vicinity Map <br /> Figure 2 Groundwater Elevation and Hydrocarbon Concentration Map <br /> Table I Groundwater Elevation and Analytical Data <br /> Appendix A Standard Field Procedures for Groundwater Monitoring and Sampling <br /> Appendix B Certified Analytical Report and Cham-of-Custody Documentation <br /> Appendix C Field Data Sheets <br /> Appendix D GeoTracker Electronic Delivery Confirmations <br /> • <br /> H 1Olympian122502 South Hwy 99 Rjpon1QM14Q0514Q 05 QMR doe 2 <br />