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10102 '00 THU 13:28 FAX 19259469968 ERMWEST WC IA005 <br /> Minutes of 9 February 2000 k.ting <br /> 10 February 2000 <br /> Action Items <br /> 1. Another round of groundwater sampling will be performed at the site prior <br /> to submitting a site closure report. This round of groundwater sampling will <br /> consist of sampling all 6 wells at the site for total petroleum hydrocarbons as <br /> gasoline by EPA Method 8015,benzene,toluene, ethylbenzene, and xylenes <br /> by EPA Method 8020,dissolved iron and dissolve manganese by EPA <br /> Method 6010B,nitrate and sulfate by EPA Method 300.0,and methane by <br /> EPA Method 8016 modified. Dissolved oxygen readings will also be collected <br /> at each well using a down-well dissolved oxygen meter. This data will serve <br /> to provide supporting evidence that biological degradation will continue at <br /> the site. <br /> I A Site Closure report will be submitted,including a health risk assessment. <br /> This report will be submitted to the San Joaquin County, Environmental <br /> Health Division. This closure report will be prepared in accordance with <br /> Appendix B of the Tri-Regional Recommendations for Closure of <br /> Underground Tank Sites. The report should include the necessary <br /> information to support a"No Further Action" classification of the site. <br /> 4 <br />