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7-Eleven/Stockton <br /> February 1989 <br /> o Sampled groundwater from monitoring wells without <br /> free product and the nearby domestic wells for V/ <br /> laboratory analyses. <br /> o Recorded the volume of product in the underground- <br /> storage tank. t <br /> o Monitored and maintained the groundwater remedies <br /> tion and soil-vent systems including sampling and <br /> analysis of the groundwater treatment system <br /> influent and effluent. <br /> ,. o Prepared installation specifications for expanding <br /> E the existing soil-vent system to include <br /> additional venting points. <br /> O Ordered and received delivery of the portable catalytic <br /> ScavengerR. <br /> ! ' o Began securing permits for the installation of <br /> additional off-site monitoring wells and the <br /> r abandonment of MW-12. <br /> i <br /> GROCINDWATER MONITORING <br /> ry� Groundwater level monitoring of the site monitoring wells <br /> was performed every two weeks following system re-start in mid- <br /> k,, November, 1988. The first monitoring was conducted on November <br /> 30. The monitoring data for the months of November through <br /> January 5, 1989 are presented in Table 1 (Appendix I) . <br /> Groundwater monitoring was conducted in accordance with GTI's <br /> Standard Operating Procedure (SOP) 8 (Appendix i2? • <br /> T'r:Gri�ur.uta,INC <br /> a.. <br />