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ENVIRONMENTAL <br /> Analytical Chemists <br /> • April 5,2017 Lab ID : STK1733532 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control - Organic <br /> Constituent Method Date/m Type Units Conc. QC Data DQO Note <br /> Organic <br /> 1,2-Dibromoethane(EDB) 504 03/30/17:203713SBL Blank ug/L ND <0.02 <br /> LCS ug/L 0.2480 127% 70-130 <br /> LCS ug/L 0.2485 120% 70-130 <br /> BS ug/L 0.2517 113% 70-130 <br /> BSD ug/L 0.2467 121% 70-130 <br /> BSRPD ug/L 0.5789 4.7% S30 <br /> QMDL u L 0.01990 121 % 60-140 <br /> 13-Dibromopropane 504 03/30/17:203713SBL Blank ug/L 0.5920 99.4% 70-130 <br /> LCS ug/L 0.5820 111 % 70-130 <br /> LES ug/L 0.5832 104% 70-130 <br /> BS ug/L 0.5908 103% 70-130 <br /> BSD ug/L 0.5789 104% 70-130 <br /> BSRPD ug/L 0.5789 1.1% Si0 <br /> QMDL u /L 0.5881 115% 70-130 <br /> DBCP 504 03/30117:203713SBL Blank ug/L ND <0.01 <br /> LCS ug/L 0.2480 118% 70-130 <br /> LCS ug/L 0.2485 111% 70-130 <br /> BS ug/L 0.2517 108% 70-130 <br /> BSD ug/L 0.2467 114% 70-130 <br /> BSRPD ug/L 0.5789 3.0% S30 <br /> QMDL u /L 0.01990 139% 60-140 <br /> 13DBP 504.1 04/03/17:204633SBL CCV ug/L 7.481 92.8% 70-130 <br /> • CCV a /L 9.975 114% 70-130 <br /> BCP 504.1 04/03117:204633SBL CCV ugL 2.000 82.0% 70-130 <br /> CCV u L 5.000 118% 70-130 <br /> B 504.1 04/03/17:2046335BL CCV u /L 2.000 94.0% 70-130 <br /> CCV 1:Ug//L 5.000 124% 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 /> BS :Blank Spikes-A blank is spiked with a known amount of analyte.It is prepared to verify that the preparation process is not <br /> affecting analyte recovery. <br /> BSD :Blank Spike Duplicate of BS/BSD pair-A blank duplicate is spiked with a known amount of analyte.It is prepared to verify that <br /> the preparation process is not affecting analyte recovery. <br /> BSRPD :BS/BSD Relative Percent Difference(RPD)-The BS 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/A9 FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)343-3807 FAX:(805)783-2912 FAX:(559)734-843 <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 />