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C7"10gual rech1desW Page 4 <br /> ' Groundwater Monitoring Report <br /> Project No 770 2 <br /> November 9,2005 <br /> bottle was inverted, tapped and checked for headspace bubbles The sample container was <br /> ' identified and labeled with a unique designation, inserted into foam holders and placed into <br /> an ice chest cooled to 4°C for transport to the laboratory <br /> ' All non-disposable sampling equipment was decontaminated using a hot water washer and <br /> detergent before and between uses Disposable gloves were used by the technician to collect <br /> all samples and were changed with each sample collection <br /> A chain of custody document, listing 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 <br /> properly Iabeled 55 gallon DOT approved container 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 25, 2005, were delivered to California <br /> Laboratory services (CIS) (CA ELAP Certificate No 1233), of Rancho Cordova, California, <br /> for analysis <br /> CLS analyzed the eleven monitoring well groundwater samples for <br /> • Benzene, Toluene, Ethyl Benzene, and Xylene (BTEX) by EPA method 8015M/802IB <br /> • Total Petroleum Hydrocarbons as Gasoline (TPH-G) by EPA method 8015M/8021B <br /> • TEPH-Diesel by EPA method 8015(M) <br /> The detection limits for the above analyses are listed in Table 4A (Shallow wells) and Table <br />' 4B (Intermediate/Deep wells) of Appendix A while the laboratory analytical results are <br /> presented in Appendix B <br /> As required under AB2886, the laboratory analytical and groundwater elevation data were <br /> submitted electronically to GeoTracker on November 9, 2005 - confirmation numbers <br /> 3395085513 and 4411457657 <br /> 1 <br /> 2.0 FINDINGS AND DISCUSSION <br />' The results of the groundwater monitoring event indicate the following <br /> • The deeper aquifer has been monitored by three wells (MW-104, MW-105 and MW-106) <br /> since June 2002 and has displayed an easterly trend to groundwater direction The <br />