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Geologfral7eclucics lnc Page 3 <br /> Groundwater Monitoring Report <br /> Project No 662 2 <br /> November I5,2004 <br /> ' A chain of custody document, fisting all samples collected, accompanied the samples from <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 <br /> ' Groundwater monitoring field logs are included in Appendix C <br /> ' 1.3 Laboratory Analyses <br /> The groundwater samples collected on August 18, 2004, were delivered to Sherwood Labs <br /> ' (Department of Health Services Certification No 1400) of Hilmar, California, for analysis <br /> The groundwater samples were analyzed for <br /> ' • Benzene, Toluene, Ethyl Benzene and Xylene (BTEX) by EPA method 8020 <br /> 0 Total Petroleum Hydrocarbons as Gasoline (TPH-G)by EPA method 5030/8015(M) <br /> 0 Total Petroleum Hydrocarbons as Diesel (TPH-D) by EPA method M8015 <br /> Sherwood forwarded samples to Entech Analytical Labs <br /> yti (D <br /> epartment of Health Services <br /> Certification No 2346) of Santa Clara, California, for analysis of <br /> ' 0 Oxygenated Fuel Compounds (MTBE, DIPE, ETBE, TAME & TBA) by EPA method <br /> 8260 <br /> 0 1,2 DCA, EDB and ethanol by EPA method 8260 <br /> e Methanol by EPA method 8015 <br /> 0 Lead by method E200 7 <br /> ' The detection limits 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 AB2886, the groundwater elevation & laboratory data were submitted <br /> electronically to GeoTracker on August 27 and October 15, 2004 (confirmation # <br /> ' 9432346940& 7838422775) <br /> ' 2.0 FINDINGS AND DISCUSSION <br /> The results of the groundwater sample analysis show the following <br /> 0 MW-1 contained the gasoline oxygenate MTBE at 1000µg11 This is consistent with past <br /> results <br />