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ENVIRONMENTAL'WWAGR[CULTURAL <br /> Analytical Chemists <br /> • December 29, 2016 Lab ID : STK1655469 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control - Organic <br /> Constituent Method Date/ID Type Units Cone. QC Data DQO Note <br /> Organic <br /> 1,2-Dibromoethane(EDB) 504 12/20/16:215164SBL Blank ug/L NO <0.02 <br /> LCS ug/L 0.2503 103% 70-130 <br /> LCS ug/L 0.2518 104% 70-130 <br /> MS ug/L. 0.2469 39.8% 70-130 435 <br /> (STK1655254-001) MSD ug/L, 0.2461 35.1 % 70-130 435 <br /> MSRPD ug/L 0.5776 0.012 <0.02 <br /> QMDL ug/L 0.02010 61.5% 60-140 <br /> 1,3-Dihoniopi opane 504 12/20/16:215164SBL Blank ug/L 0.5873 94.5% 70-130 <br /> LCS ug/L 0.5875 96.2% 70-130 <br /> LCS ug/L 0.5911 91.5% 70-130 <br /> MS ug/L 0.5794 105% 70-130 <br /> (STK1655254-001) MSD ug/L 0.5776 102% 70-130 <br /> MSRPD ug/L 0.5776 3.3% <30 <br /> QMDL u 0.5939 108% 70-130 <br /> DBCP 504 12/20/16:215164SBL Blank ug/L ND <0.01 <br /> LCS ug/L 0.2503 108% 70-130 <br /> LCS ug/L 0.2518 97.6% 70-130 <br /> MS ug/L 0.2469 105% 70-130 <br /> (STK1655254-001) MSD ug/L 0.2461 104% 70-130 <br /> MSRPD ug/L 0.5776 1.4% 530 <br /> QMDL ugtL 0.02010 Ill% 60-140 <br /> 13DBP 504.1 12/21/16:218423SBL CCV ug/L 9.975 114% 70-130 <br /> • CCV ug/L 7.481 98.0% 70-130 <br /> DBCP 504.1 12/21/16:218423SBL CCV ug/L 5.000 101 % 70-130 <br /> CCV u /L 2.000 77.5% 70-130 <br /> DB 504.1 12/21/16:218423SBL CCV ug/L 5.000 99.0% 70-130 <br /> CCV u /L 2.000 75.0%a 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 computed. <br /> Explanation <br /> 435 :Sample matrix may be affecting this analyte.Data was accepted based on the LCS or CCV recovery. <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)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 />