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Quarterly Site Status Report <br /> Beacon Station 695 - Lodi , California <br /> Page 2 <br /> RESULT OF QUARTERLY MONITORING: <br /> Laboratory analysis of the groundwater sample collected from <br /> well (MW-1) at the northern center of the site shows the <br /> highest TPNg and BTEX concentrations (benzene concentration of <br /> 140 ppb) Other well analytical data shows the benzene <br /> groundwater plume to be defined to nondetectable levels to the <br /> north, west, and east. To the south a non-detect line can be <br /> inferred utilizing MW-16 and MW-20 laboratory data. <br /> Groundwater potentiometric surface elevation data indicates <br /> that ground-water is mounding in the center of the site due to <br /> vapor extraction with an overall gradient toward the <br /> south-southwest. <br /> PROPOSED ACTIVITY OR WORK FOR NEXT QUARTER: <br /> ACTIVITY ESTIMATED COMPLETION DATE <br /> Perform third Quarter groundwater <br /> monitoring event September 1992 <br />