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DECEMBER 1992 <br /> . QUARTERLY STATUS REPORT (CONTIlWED) <br /> • Site map delineating contamination contours for soil and groundwater <br /> based on recent data: <br /> Toluene was detected at a concentration of 0 5 µg11 in MW-1 in the sample <br /> collected on December 12, 1992 (Figure 3) No contamination was detected 1n <br /> - the groundwater samples collected from MW-2 and MW-3 on December 9, <br /> 1992. <br /> Figure 4 is a site map indicating areas of soil contamination based on data <br /> obtained during the preliminary site investigation (September 1991) The area <br /> of contamination appears to be limited, with constituents detected at MW-2, <br /> MW-3 and B-1 only The extent of soil contamination at the site will be <br /> determined during the supplemental subsurface investigation <br /> At the present time, a map delineating the extent of groundwater contamination <br /> has not been prepared due to lack of sufficient data points to construct the map <br /> Figure 3 shows analytical data for groundwater samples plotted on a site base <br /> map <br /> • • Tank owner commitment letter: <br /> The cover letter submitted with this report is intended to serve as the tank owner <br /> commitment letter. GLI has approved the report and designated ES as their <br /> responsible party <br /> • The quantity of groundwater and vapors removed during the reporting <br /> period and cumulative to date: <br /> Not Applicable <br /> • Times and dates equipment was not operating, cause of shutdown, and a <br /> corrective action plan to insure similar shutdowns do no reoccur: <br /> Not Applicable <br /> LMUSYM 31/378 <br /> 4 <br />