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F = <br /> ENVIRONMENTAL • • <br /> Analytical Chemists <br /> January 31,2019 Lab ID : STK1930786 <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 01/28/19:200929BJW Blank ug/L ND <0.02 <br /> QMDL ug/L 0.01968 105% 0-300 <br /> LCS ug/L 0.2502 101% 70-130 <br /> LCS ug/L 0.2482 102% 70-130 <br /> BS ug/L 0.2434 133% 70-130 436 <br /> BSD ug/L 0.2461 133% 70-130 436 <br /> BSRPD I ug/L 0.5776 13% S30 <br /> 1,3-Dibromopropane 504 01/28/19:200929BJW Blank ug/L 0.5835 100% 70-130 <br /> QMDL ug/L 0.5816 108% 70-130 <br /> LES ug/L 0.5871 102% 70-130 <br /> LCS ug/L 0.5825 96.7% 70-130 <br /> BS ug/L 0.5711 116% 70-130 <br /> BSD ug/L 0.5776 118% 70-130 <br /> BSRPD I ug/L 0.5776 3.2% 1 S30 <br /> BCP 504 01/28119:200929BJW Blank ug/L ND <0.01 <br /> QMDL ug/L 0.01968 123% 0-300 <br /> LCS ug/L 0.2502 98.5% 70-130 <br /> LES ug/L 0.2482 943% 70-130 <br /> BS ug/L 0.2434 120% 70-130 <br /> BSD ug/L 0.2461 123% 70-130 <br /> BSRPD ug/L 0.5776 3.6% S30 <br /> 13DBP 504.1 01/30/19:201421BJW CCV ug/L 7.481 115% 70-130 <br /> CCV ug/L 9.975 97.8% 70-130 <br /> BCP 504.1 01/29/19:201342BJW CCV ug/L 5.000 132% 70-130 360 <br /> CCV ug/L 2.000 120% 70-130 <br /> B 504.1 01/29/19:201342BJW CCV ug/L 5.000 140% 70-130 360 <br /> _FCCV /L 2.000 118% 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 /> BS :Blank Spikes-A blank is spiked with a known amount of analyte.It is prepared to verify that the preparation process is not <br /> affecting analyte recovery. <br /> BSD :Blank Spike Duplicate of BS/BSD pair-A blank duplicate is spiked with a known amount of analyte.It is prepared to verify that <br /> the preparation process is not affecting analyte recovery. <br /> BSRPD :BS/BSD Relative Percent Difference(RPD)-The BS 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 /> Explanation <br /> 360 :CCV above Acceptance Range(AR).Samples which were non detect for this analyte were accepted. <br /> 436 :Blank Spike(BS)not within Acceptance Range(AR).Data was accepted based on the LCS or CCV recoverL. <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:(805)783-2940 TEL:(559)734-9473 <br /> Env FAX:(805)525-4172/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 />