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GRANITE CONSTRUCTION FACILITY <br /> WKA No 2088 05 <br /> z September 7, 1995 <br /> Page 2 <br /> Laboratory test results for the water samples obtained from MW 1 through MW3 revealed <br /> detectable concentrations of TPH as gasoline ranging from 220 micrograms per liter (µg11) to 650 <br /> µg11, BTEX was also detected to monitoring wells MWI through MW3 No detectable <br /> concentrations of TPH as gasoline and BTEX were detected in water samples collected from <br /> MW4 through MW8 Analytical results of ground water samples obtained from the eight <br /> monitoring wells are summarized in Table 2 Chain-of-custody documentation and laboratory <br /> reports are included to Appendix B <br /> Based on the analytical results of this quarter, monitoring wells MWI through MW3 reveal a <br /> decrease in concentrations of dissolved phase petroleum hydrocarbons <br /> The next quarterly ground water sampling event Is scheduled for November, 1995 A summary <br /> of our findings will be transmitted upon completion of Iaboratory analysis <br />• Please call if you have any questions regarding this report <br /> Wallace ® Kuhl & Associates, Inc <br /> r <br /> 'f-, A—Q� <br /> i <br /> Michael Watari Eric Hubbard <br /> Staff Engineer Registered Geologist 114807 <br /> MMW EJH sdm <br /> Copy to Mr Harlin Knoll, SJCPHS <br /> Ms Elizabeth Thayer, CVRWQCB <br /> MNMN-05 QT6 <br /> r <br /> NNK <br /> WALLACE KUHL <br /> Recycled paper &ASSOCIATES INC <br />