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ENVIRONMENTAL AORICUTURAL <br /> Analytiival Chemists <br /> March 15, 2016 Lab ID : STK1632496 <br /> Diane Alley Customer : 3-17752 <br /> Quality Control- Inorganic <br /> Constituent Method Date/1D Type Units Cone. QC Data DQO Note <br /> Wet Chem <br /> Nitrite as Nitrogen 450ONO2B MS mg/L 0.2284 75.6% 1-173 <br /> (STKI632434-001) MSD mg/L 0.2284 74.5% 1-173 <br /> MSRPD m 0.2284 0.0024 <0.1 <br /> 450ONO2D 03/05/16:203422AMM CCV ri 0.1522 92.7% 90-110 <br /> CCB mg/L 0.003 0.1 <br /> CCV mg/L 0.1522 91.9% 90-110 <br /> CCB mg/L 0.005 0.1 <br /> Nitrate+Nitrite as 450ONO3F MS mg/L 11.27 82.4% 5-285 <br /> (SP 1 602526-001) MSD mg/L 11.27 85.1% 5-285 <br /> MSRPD m 11.27 2.7% <30.4 <br /> 450ONO3F 03/08/16:203298NMRP CCB mg/L 0.057 0.1 <br /> CCV ni 11.27 98.1% 90-110 <br /> CCB all 0.054 0.1 <br /> CCV I mg/L 11.27 99.7% 90-110 <br /> Definition <br /> CCV :Continuing Calibration Verification-Analyzed to verify the instrument calibration is within criteria. <br /> CCB :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 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 ofanalyted.The recoveries <br /> are an indication ofhow that sample matrix affects analyte recovery. <br /> MSRPD :MSMiSD Relative Percent Difference(RPD)-The MS relative percent difference is an indication ofprecision for the preparation <br /> and analysis. <br /> DQO :Data Quality Objective-This is the criteria a ainst which the quality control data is compared. <br /> Page 5 of 5 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Linda Avenue 3442 Empresa Drive,Suite D 9415 K Goshen Avenue <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chien.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)783-2W TEL:(559)73 9473 <br /> Env FAX.(805)525-4172/Ag FAX:(805)392-2063 FAK(209)942-0423 FAX:(530)U3-3807 FAX:(805)783-2912 FAX:(559)7U-M35 <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 />