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Cecchint, Cecchuu and Go—one, Fueling Island <br /> samples collected from monitoring wells UST-3 and UST-4 TPH-G and BTEX were reported as <br /> non-detect in ground water samples collected from monitoring wells UST-1 through UST4 <br /> 4.3 Q u.%Utty Contrd <br /> Quality control samples collected by ESE included a duplicate sample (from monitoring well <br /> UST4) and a trip blank (prepared by McCampbell) The analytical results for the duplicate <br /> sample showed a 0 to 9 relative percent difference from the primary sample collected from <br /> monitoring well UST-1 No target analytes were detected in the trip blank sample <br /> Laboratory quality control analyses included method blanks, matrix spikes and surrogate spikes <br /> These data were reviewed by ESE, which verified the following <br /> o The method blanks did not contain any of the analytes, and <br /> 0 The analytical results for the matrix spike samples and matrix spike duplicate samples <br /> were within acceptable recovery ranges for BTEX (Wagner, 1992) <br /> 4.4 Girounnd Water Recovery (E nteri nn Remediation) <br /> As a result of the continued detectable TPH in well UST-1, interim remediation was initiated for <br /> this site in the Third Quarter of 1993 In the Fourth quarter of 1995 as a result of rising ground <br /> water conditions, the voluntary interim ground water extraction was discontinued Records of <br /> ground water extracted and hydrocarbons recovered are presented in the Third Quarter <br /> Monitoring Report (ESE, 1995) <br /> 1 <br /> f 169254001gtrly rptl4gtr95 rpt 6 Environmental Science &Engineering, Inc <br /> a <br />