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-------------- <br /> ENVIRONMENTAL <br /> AGRICULTUML <br /> Analytical Chemists <br /> • September 28,2018 Lab ID : STK1853663 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control - Organic <br /> Constituent Method Date/1D Type Units Cone. QC Data DQO Note <br /> Organic <br /> 1,2-Dibromoethane(EDB) 504 09/24/18:211379BJW Blank ug/L ND <0.02 <br /> QMDL ug/L 0.01933 213% 0-300 <br /> LCS ug/L 0.2886 102% 70-130 <br /> LCS ug/L 0.2911 97.2% 70-130 <br /> MS ug/L 0.2502 100% 70-130 <br /> (STK1853517-001) MSD ug/L 0.2488 103% 70-130 <br /> MSRPD I u /L 0.5838 2.1% 1 _530 <br /> 1,3-Dibromopropane 504 09/24/18:211379BJW Blank ug/L 0.5693 95.2% 70-130 <br /> QMDL ug/L 0.5713 99.5% 70-130 <br /> LCS ug/L 0.5758 97.9% 70-130 <br /> LCS ug/L 0.5808 96.0% 70-130 <br /> MS ug/L 0.5871 93.5% 70-130 <br /> (STK1853517-001) MSD ug/L 0.5838 91.1% 70-130 <br /> MSRPD I u /L 0.5838 3.2% 1 <i0 <br /> DBCP 504 09/24/18:211379BJW Blank ug/L ND <0.01 <br /> QMDL ug/L 0.01933 116% 0-300 <br /> LCS ug/L 0.2886 105% 70-130 <br /> LCS ug/L 0.2911 103% 70-130 <br /> MS ug/L 0.2502 99.9% 70-130 <br /> (STK1853517-001) MSD ug/L 0.2488 88.2% 70-130 <br /> MSRPD u /L 0.5838 4.6% G30 <br /> • 13DBP 504.1 09/26/18:21402OBJW CCV ug/L 9.975 963% 70-130 <br /> CCV u /L 7.481 97.7% 70-130 <br /> BCP 504.1 09/26/18:21402OBJW CCV ug/L 5.000 111% 70-130 <br /> CCV u /L 2.000 107% 70-130 <br /> B 504.1 09/26/18:21402OBJW CCV ug/L 5.000 106% 70-130 <br /> CCV u /L 2.000 92.5% 70-130 <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 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 /> O Data Quality Objective-This is the criteria against which the quality control data is com azed. <br /> • <br /> Page 6 of 7 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.LindoAvenue 3442 Empresa Drive,Suite D 9415 W Goshen Avenue <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 San Luis Obispo,CA 93401 Visalia,CA 93291 <br /> TEL:(805)392-2000 TEL:(209)942-0182 TEL:(530)343-5818 TEL:(805)783-2940 TEL:(559)734-9473 <br /> Env FAX:(805)525-4172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)343-3807 FAX:(805)783-2912 FAX:(559)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 />