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ate= <br /> ENVIRONMENTAL AGRICULTURAL <br /> Analylictil Chemists <br /> February 4,2019 Lab ID : STK1930551 <br /> Mar Val Stables Customer : 3-16273 <br /> Quality Control - Organic <br /> Constituent Method Date/ID Type Units Cone. QC Data DQO Note <br /> Organic <br /> 1,2-Dibromoethane(EDB) 504 0 I/16/19:200551 BJW Blank ug/L ND <0.02 <br /> QMDL ug/L 0.01981 92.0% 0-300 <br /> LCS ug/L 0.2454 103% 70-130 <br /> LCS ug/L 0.2506 101% 70-130 <br /> MS ug/L 0.2483 99.0% 70-130 <br /> (STK1930293-001) MSD ug/L 0.2475 89.4% 70-130 <br /> MSRPD I ugfL 0.5808 1 10.6% _<30 <br /> 1,3-Dibromopropane 504 01/16/19:200551BJW Blank ug/L 0.5815 117% 70-130 <br /> QMDL ug/L 0.5856 98.0% 70-130 <br /> LCS ug/L 0.5759 112% 70-130 <br /> LCS ug/L 0.5881 103% 70-130 <br /> Ms ug/L 0.5827 102% 70-130 <br /> (STK1930293-001) MSD ug/L 0.5808 93.3% 70-130 <br /> MSRPD u 0.5808 9.3% <30 <br /> DBCP 504 01/16/19:200551BJW Blank ug(L NO <001 <br /> QMDL ug/L 0.01981 101% 0-300 <br /> LCS ug/L 0.2454 117% 70-130 <br /> LCS ug/L 0.2506 110% 70-130 <br /> MS ug/L 0.2483 101% 70-130 <br /> (STK1930293-001) MSD 119/1, 0.2475 89.8% 70-130 <br /> MSRPD ug/L 0.5808 10.2% <30 <br /> 13DBP 504.1 01/17/19:200748BJW CCV ug/L 7.481 126% 70-130 <br /> CCV ug/L 9.975 122% 70-130 <br /> BCP 504.1 01/17/19.200748BJW CCV ug/L 2.000 122% 70-130 <br /> CCV u L 5.000 125% 70-130 <br /> EDB 504.1 01/17/19:200748BJW CCV ug/L 2.000 1 106% 70-130 <br /> CCV u L 5.000 116% 70-130 <br /> Defnifon <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 spiced 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 audyted.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 ofprecision 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 a ainst which the uali control data is compared. <br /> Page 6 of 7 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Otflea&Laboratory Office&Laboratory <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Lindc Avenue 3442 Empresa Drive,Suite D 9415 W.Goshen Avenue <br /> Sante 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)525-0172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)3433807 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 />