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TREND ANALYSIS - MW-3 <br /> TPHg/Benzene Concentrations & Groundwater Elevations vs. Time <br /> (Since January 1, 2005) <br /> 5400 and 5606 Pacific Avenue, Stockton, California <br /> 100,000 Chevron Site #306620 (Former Unocal #5098) 0 <br /> Remediation system start-up with SVE using <br /> /carbon for vapor abatement, February 17, 2005. <br /> �r -5 <br /> 10,000 <br /> -10 <br /> m <br /> cm M <br /> z m <br /> = 1,000 <br /> o <br /> E <br /> 4 -20 m <br /> 0 100 <br /> 0 <br /> -25 > <br /> m <br /> System re-started, July 30, w <br /> m \ ` <br /> as 10 - -30 <br /> = 3 <br /> System shut down for upgrades, 'a <br /> December 6, 2007. <br /> -35 <br /> ho- <br /> -40 <br /> Note: Top of casing elevation = 10.59 feet - msl. <br /> 0 -45 <br /> oo ^ IN 59') <br /> cb <br /> N Cd 0 0 <br /> --�--TPHg - ff-- Benzene --0 Groundwater Elevation -- -Top of Well Screen <br />