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ENVIRONMENTAL __ - <br /> Analytical Chemists <br /> • September 27, 2016 Lab ID : STK1651604 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control - Organic <br /> Constituent Method Date/W Type Units Cone. QC Data DQO Note <br /> Organic <br /> 1,2-Dibromoethane(EDB) 504 09/19/16:211278SBL Blank ug/L ND <0.02 <br /> LCS ug/L 0.2486 103% 70-130 <br /> LCS ug/L 0.2450 97.7% 70-130 <br /> MS ug/L 0.2502 111'% 70-130 <br /> (STK1651576-001) MSD ug/L 0.2465 112% 70-130 <br /> MSRPD ug/L 0.5786 0.6% <30 <br /> QMDL uzfL 0.01969 89.6% 60-140 <br /> 1,3-Dibromopropane 504 09/19/16:211278SBL Blank ug/L 0.5859 91.1% 70-130 <br /> LCS ug(L 0.5835 96.0% 70-130 <br /> LCS ug/L 0.5751 91.9% 70-130 <br /> MS ug/L 0.5873 109% 70-130 <br /> (STK1651576-001) MSD ug/L 0.5786 105% 70-130 <br /> MSRPD ug/L 0.5786 5.3% <30 <br /> MDL u 0.5820 112% 70-130 <br /> DBCP 504 09/19/16:211278SBL Blank ug/L ND <0.01 <br /> LCS ug/L 0.2486 102% 70-130 <br /> LCS ug/t. 0.2450 93.2% 70-130 <br /> MS ug/L 0.2502 113% 70-130 <br /> (STK1651576-001) MSD ug/L 0.2465 110% 70-130 <br /> MSRPD ug(L 0.5786 3.8% <_30 <br /> MDL u L0.01969 80.7% 60-140 <br /> 13DBP 504.1 09/20/16:213641SBL CCV ug/L 9.975 101% 70-130 <br /> • CCV u L 7.481 105% 70-130 <br /> DBCP 504.1 09/20/16:213641SBL CCVug/L 5.000 103% 70-130 <br /> CCV u L 2.000 86.5% 1 70-130 <br /> EDB 504.1 09120116:213641SBL CCV ug/L 5.000 86.8% 1 70-130 <br /> CCV ug/L 2.000 82.5% 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 analyzed.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.Lando 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 ELAP Certification No.1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 CA ELAP Certification No.2810 <br />