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ENVIRONMENTAL <br /> Analytical Chemists , <br /> November 26,2018 Lab ID : STK 1856389 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control- Organic <br /> Constituent Method Date/ID Typc Units Cone. QC Data DQO Note <br /> Organic <br /> 12-Dibromoethane(EDB) 504 11119/18:213752BJW Blank ug/L ND <0.02 <br /> LCS ug/L 0.2937 83.5% 70-130 <br /> LCS ug/L 0.2946 78.1% 70-130 <br /> MS ug/L 0.2894 90.0% 70-130 <br /> (STK1856284-001) MSDug/L 0.2900 91.5% 70-130 <br /> u <br /> MSRPD /L 0.5786 1.8% 830 <br /> 13-Dibromopropane 504 11/19/18:213752BJW Blank ug/L 0.5908 91.2% 70-130 <br /> LCS ug/L 0.5859 97.0% 70-130 <br /> LCS ug/L 0.5876 82.1% 70-130 <br /> MS ug/L 0.5774 81.1% 70-130 <br /> (STK1856284-001) MSD ug/L 0.5786 90.9% 70-130 <br /> MSRPD u /L 1 0.5786 11.6% <30 <br /> BCP 504 11/19/18:213752BJW Blank u.-/L ND <0.01 <br /> LES ug/L 0.2937 87.1% 70-130 <br /> LCS ug/L 0.2946 75.9% 70-130 <br /> MS ug/L 0.2894 73.6% 70-130 <br /> (STK1856284-001) MSD ug/L 0.2900 79.5% 70-130 <br /> MSRPD I u /L 0.5786 1 7.7% G30 <br /> 13DBP 504.1 11/20/18:217009BJW CCV ug/L 9.975 101% 70-130 <br /> CCV u /L 7.481 82.6% 70-130 <br /> BCP 504.1 1 1/20/18:217009BJW CCV ug/L 5.000 104% 70-130 <br /> CCV u /L 2.000 83.0% 70-130 <br /> EDB 504.1 1 1/20/18:217009BJW CCV ug/L 5.000 97.0% 70-130 <br /> CCV uo/L 1 2.000 71.0% 1 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 /> DQO Data Quality Objective-This is the criteria against which the quality control data is compared. <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.Undo Avenue 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 />