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ENVIRONMENTAL AGMICULTURAL <br /> Analytical Chemists <br /> • February 10, 2017 Lab ID : STK1731249 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control - Organic <br /> Constituent Method DateAD Type Units Conc. QC Data DQO Note <br /> Organic <br /> 1,2-Dibromoelhane(EDB) 504 02/07117:201524SBL Blank ug/L ND <0.02 <br /> LCS ug/L 0.2506 104% 70-130 <br /> LCS ug/L 0.2508 106% 70-130 <br /> MS ug/L 0.2470 117% 70-130 <br /> (STK1731217-001) MSD ug/L 0.2478 105% 70-130 <br /> MSRPD ug/L 0.5816 10.5% 530 <br /> QMDL ug/L 0.02101 91.2% 60-140 RERUN <br /> 1,3-Dibromopropane 504 02/07/17:201524SBL Blank ug/L 0.5906 82.9% 70-130 <br /> LCS ug/L 0.5881 95.6% 70-130 <br /> LCS ug/L 0.5887 87.4% 70-130 <br /> MS ug/L 0.5798 95.9% 70-130 <br /> (STK1731217-001) MSD ug/L 0.5816 82.4% 70-130 <br /> MSRPD ug/L 0.5816 14.8% <_30 <br /> QMDL ug/L 0.6211 93.9% 70-130 RERUN <br /> DBCP 504 02/07/17:201524SBL Blank ug/L ND <0.01 <br /> LCS ug/L 0.2506 99.5% 70-130 <br /> LCS ug/L 0.2508 104% 70-130 <br /> MS ug(L 0.2470 113% 70-130 <br /> (STK1731217-001) MSD ug/L 0.2478 101 %, 70-130 <br /> MSRPD ug(L 0.5816 11.1% <30 <br /> QMDL ug/L 0.02101 210% 60-140 RERUN <br /> 13DBP 5(K.1 02/08/17:201923SBL CCV ug/L 7.481 81.3% 70-130 <br /> • 1 CCV ug/L 9.975 90.5% 70-130 <br /> DBCP 504.1 02/08/17:201923SBL CCV ug/L 2.000 104% 70-130 <br /> CCV ug/L 5.000 1 101 %, 70-130 <br /> EDB 504.1 02/08117:201923SBL CCV ug/L 2.000104% 70-130 <br /> CCV u L 5.000 101 % 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 /> • <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)5254172/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 FLAP Certification No.1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 CA ELAP Certification No.2810 <br />