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ENVIRONMENTAL AGRICULTURAL <br /> Analytical Cherrilsts <br /> September 8,2016 Lab ID : STK1650545 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control - Organic <br /> Constituent Method Datc/ID 'I PC Units Cone. QC Data DQO Note <br /> Organic <br /> 1,2-Dibromoethane(EDB) 504 08/29/16:210209SBL Blank ug/L ND <0.02 <br /> LES ug/L 0.2560 98.8% 70-130 <br /> LCS ug/L 0.2523 116% 70-130 <br /> MS ug/L 0.2471 101% 70-130 <br /> (STK165M2-001) MSD ug/L 0.2469 99.8% 70-130 <br /> MSRPD ug/L 0.2469 1.4% S30 <br /> MDL ug/L 0.02014 88.9% 60-140 <br /> 13-Dibromopropane 504 08/29/16:210209SBL Blank ug/L 0.5913 99.8% 70-130 <br /> LCS ug/L 0.6009 94.9% 70-130 <br /> LCS ug/L 0.5922 109% 70-130 <br /> MS ug/L 0.5799 92.6% 70-130 <br /> (STK1650482-001) MSD ug/L 0.5796 98.4% 70-130 <br /> MSRPD ug/L 0.2469 6.0% <30 <br /> QMDL ug/L 0.5953 111 % 70-130 <br /> BCP 504 08/29/16:210209SBL Blank ug/L ND <0.01 <br /> LCS ug/L 0.2560 993% 70-130 <br /> LCS ug/L 0.2523 117% 70-130 <br /> MS ug/L 0.2471 106% 70-130 <br /> (STK1650482-001) MSD ug/L 0.2469 106% 70-130 <br /> MSRPD ug/L 0.2469 0.4% 40 <br /> MDL ug/L 0.02014 91.9% 60-140 <br /> 13DBP 504.1 08/30/16:212341SBL CCV ug/L 7.481 114% 70-130 <br /> CCV ug/L 9.975 111% 70-130 <br /> CCV u L 4.988 91.0% 70-130 <br /> BCP 504.1 08/30/16:212341SBL CCV ug/L 2.000 95.5% 70-130 <br /> CCV ug/L 5.000 107% 70-130 <br /> CCV ug/L 2.000 93.5% 70-130 <br /> EDB 504.1 08130/16:212341 SBL CCV ug(L 2.000 92.5% 70-130 <br /> CCV ug/L 5.000 91.4% 70-130 <br /> CCV __aLL_j 2.000 81.0% 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:(8051783-2940 TEL:(559)734-9473 <br />