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0 <br /> Lot#: D6I060141 <br /> Matrix Spike(MS) and Matrix Spike Duplicate(MSD) <br /> The surrogate recoveries of a,a,a-Trifluorotoluene were outside control limits in the MS/MSD associated <br /> with Method 8015B GRO QC batch 6250409. Because the target analtyes were in control and the <br /> surrogate recoveries were in control in all other sample and QC sample,no corrective action was <br /> necessary. <br /> The method required MS/MSD could not be performed for Method 1664A HEM due to insufficient <br /> sample volume,however, a LCS/LCSD pair was analyzed to demonstrate method precision. <br /> The method required MS/MSD could not be performed for Method 8015B DRO due to insufficient <br /> sample volume.Because the Method Blank and LCS met QC criteria,no corrective action was taken. <br /> All other MS and MSD sample results were within established control limits. <br /> Organics <br /> It was noted that sample TRUCK WASH WATER formed emulsions during the extraction process for <br /> DRO Method 8015B. <br />