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3 2 1 Discussion <br /> The ground water elevation calculated for well UST-1 has decreased approximately 3 0 feet <br /> relative to that reported for April 1994 (Second Quarter 1994) This decrease is likely due to <br /> a seasonal lack of precipitation Ground water flow direction at the site is variable, and likely <br /> controlled by onsite and nearby pumping wells <br /> gasoline continues to be detectable at low concentrations in the round water in UST-1, <br /> TPH as gasol g <br /> as was the case in April 1994 Benzene and ethylbenzene remained at nondetectable <br /> concentrations Toluene and xylenes continue to be found at low concentrations and were <br /> comparable to first quarter levels Concentrations of TPH as diesel remained relatively constant <br /> from previous quarters <br /> 3 3 GROUND WATER RECOVERY (INTERIM REMEDIATION) <br /> As a result of the continued detectable TPH in well UST-1, interum remediation was initiated <br /> for this site in the Third Quarter of 1993 This quarter Mr Robert Cecchim performed bi- <br /> weekly evacuation of water from Well UST-1 for a period of three months from July to <br /> September 1994 He performed the following tasks each visit <br /> 0 Measured water and product levels in the well UST-1 using an electric water level <br /> sounder and recorded the data <br /> 0 Evacuated approximately 55 gallons of water from well UST-1 using an electric <br /> submersible pump The volume of water pumped from the well was recorded <br /> o The water evacuated from well UST-1 was stored in DOT rated drums in a secure area <br /> of the site When a sufficient volume of water is accumulated at the site, the well <br /> owners will dispose of the purged water through a licensed recycler <br /> Documents from the interum remediation activity are attached as Appendix C A total of 330 <br /> gallons of water was evacuated from well UST-1 from July 1 to September 30, 1994 <br /> F 16n54W\3gm94 rpt 4 Environmental Science&Engineering Inc <br />