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Cecchiu, Cecchuu, and Govoannoru,Fueling Island <br /> On December 23, 1996, ground water from UST-2 was reported to contain TPH-D at a <br /> concentration of 500 micrograms per liter (µg11) TPH-G in ground water from UST-5 <br /> was reported as 140 ttg/l Benzene in ground water from UST-5 was reported as 4 0 <br /> µg/l TPH-D, TPH-G and BTEX were reported as non-detect in ground water samples <br /> collected from monitoring wells UST-3 and UST-4 These findings are illustrated on <br /> Figure 4 - Petroleum Hydrocarbons in Ground Water <br /> 4.3 Quuaft ControR <br /> Quality control samples collected by FSE included a duplicate sample (from monitoring <br /> well UST-4) and a trip blank (prepared by McCampbell) The analytical results for the <br /> duplicate sample were non-detect as was the primary sample No target analytes were <br /> detected in the trip blank sample <br /> Laboratory quality control analyses included method blanks, matrix spikes and surrogate <br /> spikes 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 <br /> samples were within acceptable recovery ranges for BTEX (Wagner, 1992) <br /> f 169254W\quiy rptl4gtr96 rpt 7 Environmental Science do Engiieenng, Inc <br />