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I _ Interim Remediation Plan and Second Quarter 2001 Groundwater Monitoring Report- <br /> 1 Moore Petroleum Bulk Plant,5491 F Street,Banta,California <br /> f� Page 8 <br /> 1 The laboratory analytical reports and chain-of-custody .forms'. are included in Appendix D. <br /> Analytical results are summarized in Table 5. <br /> All purged and recovered liquids are stored temporarily on site in Department of Transportation- <br /> approved, 55-gallon drums pending removal from the site by a licensed hauler to an appropriate <br /> t disposal facility. <br /> d <br /> I <br /> CONCLUSIONS AND RECOMMENDATIONS <br /> Conclusions <br /> Groundwater analytical results indicate shallow groundwater beneath the site has been impacted <br /> by petroleum hydrocarbons. MW-2, MW-5, and the Rhodes-domestic well were non-detect for <br /> all analyzed constituents. Results for wells with detectable concentrations are as follows:.. <br /> • MW-1: TPHd was non-detect this quarter. MTBE decreased this quarter while TBA. <br /> and motor oil was detected. <br /> • MW-3: TPHd decreased to below.detection limits while motor oil was detected this <br /> . quarter. All other analyzed constituentswere non-detect. <br /> • MW-4A: All analyzed constituents' were below detection limits except for MTBE, <br /> which decreased this quarter. <br /> • MW-7: All constituents above detection limits las_t quarter have decreased this quarter <br /> except total xylenes. <br /> • MW-8: All constituents above detection limits last quarter have decreased this quarter <br /> with the exception of MTBE, which increased slightly. Motor oil was detected for the <br /> { <br /> first time this quarter. <br /> + • MW-9: All constituents above detection limits last quarter have increased this quarter. <br /> Motor oil was detected for the first time this quarter: <br /> i <br /> • MW-10: TPHg and TPHd increased this quarter.- BTEX.except xylenes decreased <br /> and MTBE decreased to below detection limits this quarter. <br /> r • MW-11: TPH motor oil was the only-detected constituent and decreased this quarter. <br /> ' • MW-12: TPH motor oil and MTBE were the only detected constituents, and <br /> decreased this quarter. <br /> i - <br />