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ENVIRONMENTAL <br /> Analyti <br /> cat Chemists <br /> • October 25, 2017 Lab ID : STK1752355 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control - Organic <br /> Constituent Method Date/W Type Units Cone. QC Data DQO Note <br /> rganic <br /> 1,2-Dibromoethane(EDB) 504 10/04/17:211860SBL Blank ug/L ND <0.02 <br /> LCS ug/L 0.2507 90.3% 70-130 <br /> LCS ug/L 0.2526 89.9% 70-130 <br /> MS ug/L 0.2548 92.3% 70-130 <br /> (STK1752592-001) MSD ug/L 0.2525 104% 70-130 <br /> MSRPD ug/L 0.5758 10.7% <30 <br /> QMDL ug/L 0.02047 138% 60-140 <br /> 1,3-Dibmmopropane 504 10/04/17:211860SBL Blank ug/L 0.5813 107% 70-130 <br /> LCS ug/L 0.5716 97.6% 70-130 <br /> LCS ug/L 0.5759 101 % 70-130 <br /> MS ug/L 0.5810 102% 70-130 <br /> (STK1752592-001) MSD ug/L 0.5758 115% 70-130 <br /> MSRPD ug(L 0.5758 10.9% <30 <br /> DBCP QMDL u L 0.6051 92.7% 70-130 <br /> 504 10/04/17:2 11860SBL Blank ug/L ND <0.01 <br /> LCS ug(L 0.2507 84.9% 70-130 <br /> LCS ug/L 0.2526 87.8% 70-130 <br /> MS ug/L 0.2548 87.5% 70-130 <br /> (STK1752.592-001) MSD ug/L 0.2525 103% 70-130 <br /> MSRPD ug/L 0.5758 15.6% <30 <br /> MDL u L 0.02047 135% 60-140 <br /> 13DBP 504.1 10/07/17:214953SBL CCV ug/L 7.481 100% 70-130 <br /> • CCV ug/L 9.975 112% 70-130 <br /> DBCP 504.1 10/07/17:214953SBL CCV ug/L 2.000 83.0% 70-130 <br /> CCV ug/L 5.000 106% 70-130 <br /> EDB 504.1 10/07/17:214953SBL CCV ug/L 2.000 90.0% 70-130 <br /> CCV ug/L 5.000 105% 70-130 <br /> Definition <br /> CCV :Continuing Calibration Verification-Analyzed to verify the instmment calibration is within criteria. <br /> Blank :Method Blank-Prepared to verify that the preparation process is not contributing contamination to the samples. <br /> LCS :Laboratory Control Standard/Sample-Prepared to verify that the preparation process is not affecting analyte recovery. <br /> MS :Matrix 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 /> ND :Non-detect-Result was below the DQO listed for the analyte. <br /> DQO :Data ualitv 06ective-This is the criteria against which the quality control data is compared. <br /> • <br /> Page 6 of 7 <br /> Corporate Offices&Laboratory <br /> 853 Corporation Street Office&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory <br /> 2500 Stagecoach Road 563 E.Lindo Avenue 3442 Empresa Drive,Suite D 9415 W.Goshen Avenue <br /> Santa Paula,CA 93060 <br /> TEL:(805)392 Stockton,CA 95215 Chico,CA 95926 San Luis Obispo,CA 93401 Visalia,CA 93291 <br /> -2000 TEL:(209)942-0182 TEL:(530)343-5818 TEL:(805)783-2940 TEL:(559)734.9473 <br /> Env FAX:(005)525-4172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)343-3807 FAX:(805)783-2912 FAX:(659)734-8435 <br /> CA ELAP Certification No.1573 CA ELAP Certification No.1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 CA ELAP Certification No.2810 <br />