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THIRD QUARTER REPORT <br /> KWIKEE FOODS <br /> 2081 Country Club Boulevard <br /> Stockton, California <br /> October 6, 1998 <br /> EXECUTIVE SUMMARY <br /> Groundwater monitoring was performed on August 25, 1998. Water samples were collected from <br /> all three monitor wells and were transported to Sequoia Analytical for analysis of gasoli ie, BTEX, <br /> and 6 gasoline oxygenates. <br /> The depth to groundwater in the three monitoring wells was measured with a Solinst Nvater level <br /> meter, and a battery-operated purge pump was used to purge the wells of standing water. Between <br /> seventeen and thirty-seven gallons of water were removed from the wells and storec; in DOT- <br /> approved drums on site. After purging, water samples were collected in glass vials and transported <br /> to the laboratory. <br /> In contrast to previous quarters, the present groundwater gradient is due north, at 0.025 ft/ft. This <br /> is the first time the gradient has been northward, and the reason for this change is unknown_ <br /> Aged gasoline was detected in each well, but at much lower concentrations than in previous events, <br /> and some volatile compounds (BTEX) were not detected. This is a continuation of th,:� decrease <br /> observed in May 1998. The reason for the decrease is uncertain, but may be related to the change in <br /> gradient, the high water table, or removal of the source of contaminants(the USTs were removed in <br /> the first quarter of 1998). <br /> I <br /> 1 <br />