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Method/Analysis Information <br />Procedure: <br />Analytical Method: <br />Prep Method: <br />Analytical Batch Number: <br />Prep Batch Number: <br />Sample Analysis <br />GC Semivolatile PCB <br />Technical Case Narrative <br />Lawrence Livermore National Labs (LLNL) <br />SDG #: 374726 F ' "" <br />Ii C <br />FEB d 9 ZUll <br />ENVIRONMENTAL HEALTH <br />Analysis of Polychlorinated Biphenyls by IUCD DEPARTNiNT <br />SW846 3580A/8082 <br />SW846 3580A <br />1485188 <br />1485185 <br />The following samples were analyzed using the analytical protocol as established in SW846 3580A/8082: <br />Sample ID Client ID <br />374726001 T-1 <br />374726002 T-2 <br />374726003 T-3 <br />374726004 T-4 <br />1203335896 Method Blank (MB) <br />1203335897 Laboratory Control Sample (LCS) <br />1203335898 374505001(ECW-20-0021 XES00019) Matrix Spike (MS) <br />1203335899 374505001(ECW-20-0021 XES00019) Matrix Spike Duplicate (MSD) <br />The samples in this SDG were analyzed on an "as received" basis. <br />Preparation/Analytical Method Verification <br />SOP Reference <br />Procedure for preparation, analysis and reporting of analytical data are controlled by GEL Laboratories LLC as <br />Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with <br />GL -OA -E-040 REV# 20. <br />Raw data reports are processed and reviewed by the analyst using the Chemstation software package. False <br />positives have been removed from the quantitation reports per standard operating procedures (SOP). <br />Calibration Information <br />A complete list of the initial calibration data files are shown in the Calibration History report located in the <br />Standard Data section of the data package. <br />Initial Calibration <br />All initial calibration requirements have been met for this sample delivery group (SDG). <br />Page 7 of 17 <br />