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=a <br /> ENVIRONMENTAL AGRICULTURAL <br /> March 26, 2014 Lab ID : STK1432298 <br /> Cyndi Katzakian Customer : 3-17377 <br /> Quality Control - Inorganic <br /> onstituent Method Date(ED Type Units Conc QC Data DQO Note <br /> et Chem <br /> Nitrate 300.0 03/14114:203032CHL Blank mg/L ND <0.4 <br /> L.CS mg/L 20.00 104% 90-110 <br /> MS mg/L 400.0 104% 93-113 <br /> (CH 1471618-001) MSD mg/L 400.0 106% 93-113 <br /> MSRPD mg/L 100.0 2.4% _<4 <br /> MS mg/L 400.0 106% 93-113 <br /> (STK1432298-001) MSD mg(L 400.0 108% 93-113 <br /> MSRPD m 100.0 2.0% <4 <br /> 300.0 03/15/14:203794CHL CCV ppm 20.00 106% 90-110 <br /> CCV m 20.00 104% 90-110 <br /> . itrilc 300.0 03/14/14:203032CHL Blank mg/L ND <0.3 <br /> LES mg/L 15.00 106% 90.110 <br /> MS mg/L 300.0 103% 87-115 <br /> (CH 1471618-001) MSD m9/1- 300.0 106% 87-115 <br /> MSRPD mg/L 100.0 3.6% 59 <br /> MS mg/I- 300.0 103% 87-115 <br /> (STK1432298-001) MSD m9/1- 300.0 104% 87-115 <br /> MSRPD m 100.0 0.9% <9 <br /> 300.0 03/15/14:203794CIlL CCV ppm 15.00 108% 90-110 <br /> CCV m 15.00 102% 90-110 <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 /> l-CS :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 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 of analyzed.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 com ared. <br /> Page 5 of 5 <br /> Corporate Offices&laboratory Offlee&Laboratory Office&Laboratory Office&Laboratory Offloe&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 Stocidon,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.2-775 CA ELAP Certification No.2810 <br />