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[Centrum <br /> (800) 798-9336 <br /> QC Sample Report - EPA Method 8260 <br /> Matrix: Soil <br /> Batch#: 8260SO261 <br /> MS/MSD Laboratory Sample ID#: 7427-1 <br /> MS/MSD Client Sample ID#: B1-5 <br /> LCS s : Analytical Notes: <br /> a� <br /> C U <br /> U U <br /> c J J <br /> p j j c j c <br /> U o o m o <br /> �' aUi ami CL aUi ca- <br /> Compound cn E o o Q o Q <br /> 1,1-Dichloroethene 20 79 NA 59-172 NA 22 <br /> Benzene 20 95 NA 66-142 NA 21 <br /> Trichloroethene 20 94 NA 62-137 NA 24 <br /> Toluene 20 89 NA 59-139 NA 21 <br /> Chlorobenzene 20 88 NA 60-133 NA 21 <br /> Relative Percent Difference(RPD) is calculated on the recovery of the laboratory control samples. <br /> MS/MSD: Analytical Notes: <br /> a� <br /> C U <br /> Q U U <br /> W E E <br /> c � � <br /> C <br /> U o o o m <br /> Compound u) E o a Q o 0-1 Q0� <br /> 1,1-Dichloroethene 20 86 84 59-172 3 22 <br /> Benzene 20 100 98 66-142 2 21 <br /> Trichloroethene 20 98 96 62-137 2 24 <br /> Toluene 20 93 92 59-139 0 21 <br /> Chlorobenzene 20 91 89 60-133 3 21 <br /> Relative Percent Difference(RPD) is calculated on the concentration of the spiked samples. <br /> LCS: Laboratory Control Sample <br /> LCSD: Laboratory Control Sample Duplicate <br /> MS:Matrix Spike Sample <br /> MSD:Matrix Spike Sample Duplicate <br /> RPD: Relative Percent Difference <br /> Page 15 of 29 <br />