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' A <br /> ' ENVIRONMENTAL . AGRICULTURAL <br /> February 16, 2017 Lab ID : STK1731191 <br /> Petrelogix Engineering Customer : 3-17915 <br /> t Quality Control -Organic <br /> Constituent Method Dale/ID Type Units Cone. QC Data DQO Note <br /> organic <br /> ' 1,2-Dibromoethane(EDB) 504 02/02/17:201328SBL Blank ug/L ND <0.02 <br /> LCS ug/L 0.2546 105% 70-130 <br /> LCS ug/L 0.2538 114% 70-130 <br /> MS ug/L 0.2476 114% 70-130 <br /> ' (STK1731147-001) MSD ug/L 0.2465 109% 70-130 <br /> MSRPD ug/L 0.5786 4.3% <_30 <br /> MDL I ugIL 0.01974 107% 60-140 <br /> 1,3-Dibromopropane 504 02/02/17:201328SBL Blank ug/L 0.5901 95.4% 70-130 <br /> ' LCS ug/L 0.5977 77.5% 70-130 <br /> LCS ug/L 0.5957 106% 70-130 <br /> Ms ug/L 0.5811 110% 70-130 <br /> (STK1731147-001) MSD ug/L 0.5786 118% 70-130 <br /> MSRPD ugfL 0.5786 6.4% <_30 <br /> ' MDL u 0.5835 103% 70-130 <br /> DBCP 504 02/02/17:201328SBL Blank ug1LND <0.01 <br /> LCS ug/L 0.2546 107% 70-130 <br /> LCS ug/L 0.2538 112°/ 70-130 <br /> ' MS ug/L 0.2476 109°/ 70-130 <br /> (STK1731147-001) MSD ug/L 0.2465 106% 70-130 <br /> MSRPD ug/L 0.5786 2.3% <30 <br /> MDL ugfL 0.01974 1 137% 60-140 <br /> 13DBP 504.1 02/03/17:201640SBL CCVu91L 9.975 99.1% 70-130 <br /> ' CCV u 7.481 104% 70-130 <br /> DBCP 504.1 02/03/17:201640SBL CCV ug/L 5.000 108% 70-130 <br /> CCV u 2.000 108% 70-130 <br /> EDB 504.1 02/03/17:201640SBL CCV ug/L 5.000 106% 70-130 <br /> CCV u L 2.000 101 % 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 bow 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 arealyted.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 10 of 11 <br /> Corporate Offices&Laboratory Office&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 Chloe,CA 95926 San Luis Obispo,CA 93401 Visalia,CA 93291 <br /> ' <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 CeNfication No.2670 CA ELAP Certification No.2775 CA ELAP Certification No.2810 <br />