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E <br /> KLEINFELDER <br /> I <br /> LF4 CHEMICAL ANALYSIS <br /> I.dL k <br /> The three ground water samples were submitted to California ,j Analytical <br /> Laboratories/Ense co which is certified by the EPA and the State for the' requested <br /> 'i <br /> analyses. The samples were analyzed for TPH purgeable by GC/FID; benzene, toluene, <br /> ethyl benzene, and xylenes by EPA Method 602; DBCP by EPA Method 8240; and EDB by 1 <br /> i <br /> EPA Method 8240. In B-2 sufficient ground water volume was available to collect a <br /> sample to be analyzed for TPH extractable by GC/FID. The other two borings went dry <br /> before sufficient volume for this analyte could be collected. Because [petroleum <br /> L hydrocarbon constituents, DBCP, and EDB tend to float on water, it was not desirable to <br /> drill deeper into the aquifer. Therefore, it was not possible to obtain more water for the <br /> LTPH extractable analysis. The samples were analyzed on a rush turnaround schedule of <br /> approximately one week. The following lists the samples collected and analyses=performed <br /> I <br /> on each sample. <br /> ' I <br /> f Sample <br /> Boring Number Analyses <br /> B-1 63674 TPH purgeable, BTEX, 8240 <br /> { <br /> 13-2 63679 TPH purgeable and extractable, BTEX and 8240 <br /> B-3 63687 TPH purgeable BTEX and 8240 <br /> x <br /> L <br /> L <br /> i <br /> Lk <br /> L <br /> I <br /> L <br /> C <br /> I <br /> FR25-91-22 Page 5 of 7 <br /> ' Copyright 1991 Mcinfelder,Inc. <br /> I <br />