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Analytical Chemist, <br /> November 12,2012 Lab ID : STK1250168 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control - Organic <br /> Constituent Method DateAD Type Units Cone QC Data DQO Note <br /> Organic <br /> 1,3-Dibromopropane 504 11/05/12:212360SBL Blank ug/L 0.5868 9&6% 70.130 <br /> ILS ug/L 0.5868 99.0% 70-130 <br /> MS ug/L 0.5868 97.6% 70-130 <br /> (STK1250143-001) MSD u9rL 05868 99.7% 70-130 <br /> MSRPD URIL 0.5868 2.1% 510 <br /> DCP 504 11105/12:21236GSBL Blank uSfL ND m.01 <br /> L.CS ug/L 0.2950 98.5% 70-130 <br /> MS ug(L 0.2950 93.9% 70-130 <br /> (STK1250143-001) MSD U91L 0.2950 101% 70-130 <br /> MSRPD u 0.5868 7.1% 530 <br /> 13DBP 5021 11/06112:216396SBL CCV ug/L 9.975 9&4% 70-130 <br /> cev ug/L 7.481 107% 70-130 <br /> BCP 503.1 11/06/12:2163%SBL CCV I ug/L 5.015 94.5% 70-130 <br /> CCV u L 2006 102% 761311 <br /> Definition <br /> CCV :Continuing Calibration Verification-Analyzed to verify the instrument calibration is within criteria <br /> Blank :Method Blank-Prepared to verify that the preparation process is tui contributing contamination to the samples. <br /> LCS :laboratory Control Standard/Sample-Prepared to verify that the preparation process is oa affecting analyte recovery. <br /> MS :Mahn Spikes-A random sample is spiked with a known amount of analyte.The recoveries are an indication of how that sample <br /> matrix affects analyte recovery. <br /> MSD :Matrix Spike Duplicate of MS/MSD pair-A random sample duplicate is spiked with a known amount of analyted.The recoveries <br /> are an indication of how that sample matrix affects analyte recovery. <br /> MSRPD :MS/MSD Relative Percent Difference(RPD)-The MS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> NO :Non-detect-Result was below the DQO listed for the analyte. <br /> DQO :Data Quality Objective-This is the criteria against which the quality control data is compared, <br /> Page 6 of 7 <br /> corporate one..a Laboratory Oaiee It Labor*" Office a Labmvdor gifiea a Laboratory Field office <br /> 853 Corporation Street 2500 Stagecoach Road 583 E.Lind.Avenue 3442 Empresa Owe,Sude D Visalia,Ca14omia <br /> Sams Paula,CA 93060 Sl.lden,CA 95215 Chi.,CA 95928 San Luis Obispo,G 93401 TEL (559)734-9473 <br /> TEL (805)392-2000 TEL (209)9424182 TEL (530)3435816 TEL:(805)763-2940 Mobile:(559)737-2389 <br /> Em FAX:((i05)525-0172/A9 FAX:(005)382-2083 FAX'.(20942-0423 FAX:(530)343-3807 FAX:(605)525.4172 FAX'.(559)734b435 <br /> G NELAP CerliBaficn No.01110CA G ELAP Certification No.1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 <br />