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• is —.. . <br /> Fourth Quarter 2003 Grouudwater Mouitoring/Remediation Status Report ' <br /> ' Moore Petroleum Sulk Plani,5491 F Street,Banta,California <br /> } Page 4 <br /> On September 26, 2003,-Apex submitted a workplan_that-recommends in-situ chemical oxidation <br /> by ozone sparg>ng to remove the TPHd/TPHmo mass-from the soil and groundwater, and reduce <br /> wal <br /> groundter concentration for these compounds. . fi . <br /> Apex received a response letter from the SJCEHD dated November 10, 20W' for the ozone <br /> ir <br /> sparging workplan. The'.response letter asked that an addendum to the workplanbesubmitted, <br /> that increases the scope'of work to further delineate the hydrocarbon plume b installin ' <br /> P Y g <br /> additional'monitoring'Wells. Also, the addendum must include technical data on the ozone <br /> system and the spacing of the sparge points. On January 14, 2004, Apex submitte&a report <br /> f titled, Addendum to Workplan for Ozone Spa rging,-addressing the November .10; 2003 SJCEHD <br /> :. letter. <br /> GENERAL SITE INFORMATION , <br /> Site name: <br /> Moore Petroleum <br /> Site address: ; f 5491 F Street, Banta, California <br /> Current Property owner: Van De Pot Enterprises, Inc.. <br /> . . <br />+ Current site use: Petroleum Bulk Plant <br /> Current phase of project: Groundwater monitoring, active vapor remediation <br /> Tanks at site: : Two aboveground storage.tanks <br /> f Number of wells: -9,monitorin wells all onsite • 3 monitorin va or <br /> l extraction wells;-2 vapor extraction wells;`4 recovery well;. <br /> and 1 air sparge well; 1 domestic well. - <br /> GROUNDWATER MONITORING.SUMMARY <br /> Gauging and sampling date: November 6, 2003 ' <br /> Wells gauged and sampled: MW-1 through MW-12, VEW-2, and RW-2 <br /> Wells gauged only: �: None <br /> Wells sampled only: . Rhode's domestic Well <br /> Groundwater flow direction: North northeast ` <br /> Groundwater gradient: 0.0021.ft/ft <br /> ' <br /> I Floating liquid hydrocaibons: None <br /> Laboratory: California'Laboratory Services (CLS), Rancho-.Cord'o;va, } <br /> California <br /> l <br /> s' <br />