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ENVIRONMENTAL AGRICULTURAL <br /> Analytical Chemists <br /> • August 11,2016 Lab ID : STK1638781 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control- Organic <br /> Constituent Method Daw/ID Type Units Cone. QC Data DQO Note <br /> Organic <br /> 12-Dibromoethane(EDB) 504 07/21/16:208597SBL Blank ug/L ND <0.02 <br /> LCs ug/L 0.2569 102% 70-130 <br /> LCS ug/L. 0.2536 95.8% 70-130 <br /> MS ug/L 0.2434 110% 70-130 <br /> (STK1639459-001) MSD ug/L 0.2437 973% 70-130 <br /> MSRPD ug/L. 0.5720 123% 530 <br /> QMDL ug/L 0.02096 126% 60.140 <br /> 12-Dibromopropane 504 07/21/16:208597SBL Blank ug/L 0.6034 87.4% 70-130 <br /> LCS ug/L 0.6031 87.9% 70-130 <br /> LCS ug/L 0.5953 87.8% 70-130 <br /> MS ug/L 0.5713 93.7% 70-130 <br /> (STK1638459-001) MSD ug/L 0.5720 88.8% 70-130 <br /> MSRPD ug/L 05720 53% 530 <br /> QMDL ug/L 0.6194 80.2% 70-130 <br /> BCP 504 07/21/16:208597SBL Blank ug/L ND <0.01 <br /> LCS ug/L 0.2569 101% 70-130 <br /> LCS ug/L 0.2536 101% 70-130 <br /> MS ug/L 0.2434 118% 70-130 <br /> (STK1638459-001) MSD ug/L 0.2437 102% 70-130 <br /> MSRPD ug/L 0.5720 14.5% 530 <br /> MDL a /L 0.02096 138% 60-140 <br /> 13DBP 504.1 07/23/16:210378SBL CCV ug/L 9.975 86.0% 70-130 <br /> CCV ug/L 7.481 87.8% 70-130 <br /> • BCP 504.1 07/23/16:210378SBL CCV 1 ug/L 5.000 99.2% 70-130 <br /> CCV u L 2.000 96.0% 70-130 <br /> DB 504.1 07/23/16210378SBL CCV ug/L 5.000 99.0% 70-130 <br /> CCV u /L 2.000 <br /> 94.5% 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 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 /> O :Data Quality Objective-This is the criteria against which the quality control data is compared. <br /> Page 6 of 7 <br /> Corporate Officss&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)3435818 TEL:(805)783-2940 TEL:(559)734-9473 <br />