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k" KLEINFEIDER <br /> i <br /> I <br /> 1 EXECUTIVE SUMMARY <br /> Ground water assessment was conducted at 100 East Louise Avenue, Lathrop; California. ; <br /> The objective of the assessment was to assess the potential presence of ,petroleum <br /> hydrocarbon constituents, 1,2-dibromo-3-chloropropane (DBCP), and 1,2-dibromoethane <br /> (EDB) in the ground water in the vicinity of the property. j <br /> Three ground water samples were collected from three shallow borings advanced on the <br /> s <br /> property. Ground water samples were extracted from the bottom of each borehole using <br /> the BAT Probe and were submitted to California Analytical Laboratory/Enseco for <br /> i <br /> I <br /> quantitative analysis. ' <br /> Petroleum hydrocarbon constituents, DBCP, and EDB were not detected above'laboratory <br /> reporting limits in the samples. `Low concentrations of toluene and acetone were detected, <br /> but these were introduced as laboratory contaminants. Carbon disulfide was detected in <br /> r <br /> the samples but, based on information provided by Nick Berzins of BAT Envitech, if is' } <br /> believed that the rubber parts on the BAT Probe were the source of the carbon disulfide. <br /> Results of the chemical analysis indicate that ground water at the site does not appear to be <br /> affected by petroleum hydrocarbon constituents, DBCP or EDB. . Kleinfelder does not <br /> recommend additional assessment at the site at this time. ' <br /> r <br /> This executive summary is subject to the limitations explained in Section 6 of this report. <br /> i <br /> �Iy i <br /> I <br /> I <br /> I! <br /> i <br /> I <br /> L i I <br /> y FR25-91-22 Page 1 of 7 <br /> Copyright 1991 Kleinfeldcr,Inc. <br />