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ENVIRONMENTAL <br /> AGRICULTURAL <br /> January 31, 2019 Lab ID : STK1930913 <br /> Matt Shinn Customer : 3-16964 <br /> Quality Control - Organic <br /> Constituent Method Datc/ID fvpc unit. Colic. (7t'Da tit DQO Note <br /> Organic <br /> 1,2-Dibromoethane(EDB) St)-t O1/28/19:200929BJW 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 u 0.5776 1.3% 1 530 <br /> 1,3-Dibromopropane 51,1 01/28/19:200929BJW Blank ug/L 0.5835 100% 70-130 <br /> QMDL ug/L 0.5816 108% 70-130 <br /> LCS 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 u 0.5776 1 3.2% 530 <br /> DBCP >04 01/28/19:200929BJW Blank ug/L ND <0.01 <br /> QMDL ttg/L 0.01968 123% 0-300 <br /> LCS ug/L. 0.2502 98.5% 70-130 <br /> LCS ug/L 0.2482 94.3% 70-130 <br /> BS ug/L 0.2434 120% 70-130 <br /> BSD ug/L 0.2461 123% 70-130 <br /> BSRPD u 0.5776 1 3.6% <30 <br /> 13DBP 504.1 01/29/19:201421BJW CCV ug/L 9.975 87.1% 70-130 <br /> CCV ug/L 7.481 115% 70-130 <br /> BCP 504.1 01/29/19:201342BJW CCV ug/L 2.000 149% 70-130 360 <br /> CCV UgfL 5.000 132% 70-130 360 <br /> DB 504.1 01/29/19:201342BJW CCV ug/L 2.000 146% 70-130 360 <br /> CCV rug/L 1 5.000 140% 1 70-130 360 <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 BSBSD 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 S not within Acceptance Range(AR).Data was acreted based on the LCS or CCV recovery. <br /> Page 7 of 8 <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 />