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Geofois 'Ti Fnics Inc. Page 3 <br /> Sinc�air Trucking-QMR <br /> Project No.320.2 <br /> February 11,2000 <br />' The sampling technician wore disposable gloves while collecting all samples. <br /> A chain of custody document, listing all samples collected and their intended analyses, <br /> accompanied the samples from field to the laboratory, thereby providing a means to track <br />' their movement and insure their integrity. <br /> 1.3 Laboratory Analyses <br />' The groundwater samples were delivered to BSK Labs (Department of Health Services <br /> Certification No. 1180), of Fresno, California, for analysis. Due to a heavy workload at <br />' BSK, the samples were sent to Acculabs, Inc., of Davis, California for the following analysis: <br /> The samples were analyzed using the following methods: <br /> • EPA method 602 - BTEX <br />' • EPA method 5030/8015(m)- TPH-Gasoline <br /> • EPA method-8260---OFCs <br />' The detection limits for the above analyses are listed in Table 2 of Appendix A and the lab <br /> data is presented in Appendix B. <br /> 2.0 FINDINGS AND DISCUSSION <br /> The results from the latest round of monitoring event show that: <br /> N • Floating product has not been detected in any of the monitoring wells. <br /> • Low concentrations of aromatic hydrocarbon compounds (BTEX) are present in MW-1 <br /> and MW-4. <br /> ' • The concentrations in both of these wells rose from the last monitoring event. <br /> • The five oxygenated fuel compounds (OFCs) tested for were not detected in any of the <br /> monitoring wells. <br /> • The upgradient monitoring wells, MW-2 & 3, did not contain any of the petroleum <br /> ' hydrocarbon compounds tested for. <br /> IN The domestic water well did not contain any of the petroleum compounds tested for. <br /> ' 3.0 LIMITATIONS <br /> ' This report was prepared in accordance with the accepted standards and practices of the field <br /> of environmental geology, groundwater hydrology and good business practices. It should be <br /> recognized that definition and evaluation of environmental conditions is a difficult and <br /> inexact science. Judgments leading to conclusions and recommendations are generally made <br /> ' with an incomplete knowledge of the site-specific conditions present. <br /> The tasks proposed and completed during this project were reviewed and approved by the <br /> local regulatory agency for compliance with the law. No warranty, expressed or implied, is <br /> made. <br /> 1 <br /> 1 - <br />