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MAL <br /> F.NVIRONMENTALIW <br /> Analytical Chemists <br /> March 5, 2013 Lab ID : STK1331633 <br /> Vincent Lucchesi Customer : 3-17102 <br /> Quality Control- Inorganic <br /> Constituent Method WWII) -1 ype Units Cone. QC Data DQO ]ntc <br /> Wet Chem <br /> urate-Nitrite as N 450ONO3F MS mg/L 4.000 88.440 5-285 <br /> (STK1331572-001) MSD mg/L 4.000 92.2"-a S-2%5 <br /> MSRPD m L 4.000 L7%i„ <304 <br /> 450ONO3F 02127/13:202834AMB CCB mg/L -0.0004 0.1 <br /> CCV mg/1 TOW 95.7% 90-110 <br /> CCB Ing/l. -0.039 0 <br /> CCV n, /L 30W 1 93.7% 1 90-110 <br /> Definition <br /> (CV :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 /> NIS :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 scruple duplicate is spiked with a known amount of amalyted.The recoveries <br /> are an indication of how that sample matrix affects analyte recovery. <br /> n4SRPD :MS/MSD Relative Percent Differeace(RPD)-The MS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> U O :Data QuaIi!X Objective-This is the criteria against which the quality control data is com ared. <br /> I ek Page 7 of 8 <br /> Corporate Offices b Laboratory Office 6 Laboratory Office 6 Laboratory Office i Laboratory Field Office —" <br /> 653 Corporation Street 2500 Stagecoach Road 563 E.Undo Avenue 3442 Empress Drive,Suite D Visalia.California <br /> Sento Paula,CA 93060 Sten lit n,CA 45215 Chico,CA 95926 San Luis Obispo,CA 93401 TEL (559)734-9473 <br /> TEL.(805)392-2000 TEL(209)942-0182 TEL.(530)343-5818 TEL(805)783-2940 Mobile:(559)737-2399 <br /> Env FAX:(805)5254172/Ag FAX.(805)392-2063 FAX:(209)042-0423 FAX (530)343-3807 FAX:(805)525 172 FAX:(559)734A435 <br /> CA NELAP Cori fieeaon No.01110CA CA ELAP Ceniacation No.1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 .- <br /> _ l <br />