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Geological Technics In C. <br /> Page 3 <br /> Groundwater Monitoring Report <br /> Project No. 662.2 <br /> January 27,2004 <br /> A chain of custody document, listing all samples collected, accom anied the sam les from <br /> p p <br /> field to laboratory, thereby providing a means to track their movement and insure their <br /> integrity. <br /> ` All water purged from each monitoring well and not used as a sample, was placed in a 55 <br /> gallon DOT approved container, properly labeled and stored on site until its proper ' <br /> disposition can be arranged. f <br /> Groundwater monitoring field logs are included in Appendix C. <br /> 1.3 Laboratory Analyses <br /> The groundwater samples collected on November 21, 2003, were delivered-to Sherwood <br /> Labs (Department of Health Services Certification. No. 1400 of Hilmar California for <br /> } o <br /> analysis. <br /> The groundwater samples were analyzed for: <br /> e Benzene, Toluene, Ethyl Benzene and Xylene BTEX b EPA method 8020 <br /> ( ) Y I <br /> • Total Petroleum Hydrocarbons as Gasoline (TPH-G) by EPA method 5030/8015(M) <br />� • Total Petroleum Hydrocarbons as Diesel (TPH-D) by EPA method M8100 <br /> f Sherwood forwarded samples to Entech Analytical Labs (Department of Health Services <br /> 1 4 Certification No. 2346) of Santa Clara, California, for analysis of. <br /> • <br /> Oxygenated Fuel Compounds (MTBE, DIPE, ETBE, TAME & TBA) by'EPA method <br /> 8260 <br /> • 1,2 DCA, EDB and ethanol by EPA method 8260 <br /> • Methanol by EPA method 8015 <br /> • Lead by method 6010 a <br />` The detection liinits for the above analyses are listed in Table 2 of Appendix A while the lab <br /> analytical results are presented in Appendix B. <br /> As required under A132886, the groundwater elevation & laboratory data were submitted <br /> telectronically to GeoTracker on January 15, 2004 (confirmation # .4155201554 & <br /> 2971256256). <br /> t <br />