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i <br />' 26 October 2000 <br /> • AGE-NC Project No 97-0290 <br /> Page 3 of 4 <br /> I MW-4, MW-6 and MW-7 at maximum concentrations of 0 60µg/l, 2,900 4g/1, 340 �Ig/l, 0 38 µgll <br /> and 0 35 ,ug/1, respectively <br /> I Petroleum hydrocarbons were not detected In the samples collected from wells MW-3, MW-5 and <br /> MW-8 The only oxygenated compounds detected was DIPE In the water sample from well MW-6 <br /> at a concentration of 0 72 ugll <br /> rAnalytical results of all water samples collected at the site are summarized on Tables 2 and 3 The <br /> laboratory report (AAL Order No A00082904), chain-of-custody forms and quality assurance and <br /> Iquality control (QA/QC) report are Included In Appendix B <br /> 4.0. SUMMARY AND CONCLUSIONS <br /> Based on the data collected from the site, AGE finds <br /> • Ground water was encountered In the monitoring wells at approximately 45 feet bsg and was <br /> . Inferred to have a southerly flow direction during the August 2000 monitoring event <br /> • The highest concentrations of dissolved petroleum hydrocarbons were detected In samples <br /> collected from wells MW-2 and MW-4 <br /> • Benzene was detected In wells MW-2 and MW-4 above the State of California- Department <br /> of Health Services maximum contaminant level (MCL) of 1 0 ,ug/1 <br /> • Only one oxygenated compound (DIPE) was detected above laboratory reporting limits In <br /> any of the ground water samples analyzed <br /> 5.0. RECOMMENDATIONS <br /> Based on the findings of the environmental activities recounted In this report, AGE recommends <br /> continued monthly SVE/IAS monitoring and quarterly ground water monitoring for the site <br /> I <br /> Advanced GcoFnVLronmental,Inc <br />