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ENVIRONMENTAL AGRICULTURAL <br /> Analytical Cheinist� <br /> January 14,2020 Lab ID : STK2030213 <br /> Smit Farm,Inc. Customer : 3-14489 <br /> Quality Control- Inorganic <br /> Constituent Method Date/ID Type Units Cons. QC Data DQO Note <br /> et Chem <br /> Nitrate+Nitrite as N 450ONO3F MS mg/L 28.114 37.1% 5-285 <br /> (STK2030263-001) MSD mg/L 28.04 37.1% 5-285 <br /> MSRPD m L 28.04 0.02% 570A <br /> 450ONO3F 01/08/20:200415JMR CCB mg/L 0.139 02 <br /> CCV M91L 11.22 96.8% 90-110 <br /> CCB mg/L 0.144 02 <br /> CCV m L 11122 97.6% 90-I10 <br /> Definition <br /> CCV :Continuing Calibration Verification-Analyzed to verify the instrument calibration is within criteria. <br /> CCD :Continuing Calibration Blank-Analyzed to verify the instrument baseline is within criteria. <br /> MS :Matrix Spikes-A random sample is spiked with a known amount of analyte.The recoveries arc an indication of how that sample <br /> matrix affects analyte recovery. <br /> MSD :Matrix Spike Duplicate of MS/MSD pair-A random suriple duplicate is spiked with a known amount of analyte.The recoveries <br /> are an indication of how that sample matrix affmts 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 /> DQO :Data Quality Obiective-This is the criteria a ainst which the quahiX control data is compared. <br /> Page 4 of 4 <br /> Corporate Omea 6 Laboratory Office 6 Laboratory Office 6 Laboratory Omen 8 Laboratory Office&Laboratory <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo Avenue 3442 Empresa Drive,Suite D 9415 W.Goshen Avenue <br /> Sana Paula,CA 93080 Stockton,CA 95215 Chim.CA 95926 San Luis Obiapo,CA 93401 Visala.CA 93291 <br /> TEL:(805)392-2000 TEL:(209)942-0182 TEL(53(1)343-NlB TEL:(805)7832940 TEL:(559)734-9473 <br /> Ern FAX:(605)525A172/Ag FAX:(805)382-20a3 FAX:(209)942-0423 FAX:(530)343.3807 FAX:(805)783-2912 FAX:(559)734-8435 <br /> CA FLAP Certification M.1573 CA ELAP Ceti fimtion No.1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 CA ELAP Certification No.2810 <br />