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ENVIRONMENTAL AG RICU LTURAL <br /> • April 3,2018 Lab ID : STK1833740 <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 03/27/18:203412BJW Blank ug/L ND <0.02 <br /> LCS ug/L 0.2426 92.1 % 70-130 <br /> LCS ug/L 0.2496 103% 70-130 <br /> QMDL ug/L 0.01963 132% 60-140 <br /> MS ug/L 0.2499 115% 70-130 <br /> (STK1833516-001) MSD ug/L 0.2537 132% 70-130 435 <br /> MSRPD u /L 0.5955 15.7% Si0 <br /> 13-Dibmmopropane 504 03/27/18:203412BJW Blank uglL 0.5784 81.2% 70-130 <br /> LCS ug/L 0.5693 99.1 % 70-130 <br /> LCS ug/L 0.5857 101% 70-130 <br /> QMDL ug/L 0.5801 124% 70-130 <br /> MS ug/L 0.5864 85.4% 70-130 <br /> (STKI833516-001) MSD ug/L 0.5955 101% 70-130 <br /> MSRPD ug/L 0.5955 18.5% 530 <br /> BCP 504 03/27/18:203412BJW Blank ug/L ND <0.01 <br /> LCS ug/L 0.2426 94.1% 70-130 <br /> LCS ug/L 0.2496 98.5% 70-130 <br /> QMDL ug/L 0.01963 138% 60-140 <br /> MS ug/L 0.2499 113% 70-130 <br /> (STK1833516-001) MSD ug/L 0.2537 126% 70-130 <br /> MSRPD ug/L 0.5955 12.5% S30 <br /> 13DBP 504.1 03/28118:204233BJW CCV ug/L. 7.481 993% 70-130 <br /> • CCV ug/L 9.975 95.0% 70-130 <br /> DBCP 504.1 03/28/18:204233BJW CCV ug/L 2.000 92.5% 70-130 <br /> CCV u /L 5.000 97.2% 70-130 <br /> DB 504.1 03/28/18:204233BJW CCV ug/L 2.000 103% 70-130 <br /> CCV u /L 5.000 103% 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 /> NO :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 /> 43FEx <br /> 5 :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 Once&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo 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 />