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= -== ENVIRONMENTAL Vie( c <br /> Analytical Chemists <br /> September 8, 2008 Lab ID : STK0838593 <br /> Vic Mettler Customer : 3-16428 <br /> Quality Control - Inorganic <br /> rl— <br /> onstituent Method Date/ID Type Units Conc. QC Data DQO Note <br /> Wet Chem <br /> Nitrate+Nitrite as 450ONO3F 05/26rM:208575 MS mg/L 4.000 107% 5-285 <br /> (CHOrM664101) MSD JAWL 4.000 84.1 % 5.285 <br /> MSRPD mAfL 4.000 24.1% <30A <br /> 450ONO3F OS12IMN:210176 ICB me -0.028 0.1 <br /> PCV mgd 4.000 91.1 % 90-110 <br /> CCB 1110 -0.017 0.1 <br /> CCV m 4.000 1 91.9% 1 90-110 <br /> Deflnition <br /> ICV :Initial Calibration Verification-Analyzed to verify the instrument calibration is within criteria. <br /> iCR :Initial Calibration Blank-Analyzed to verify the instrument baseline is within criteria. <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.7be recoveries are an indication of how that sample <br /> manic affects analyte recovery. <br /> MSD :Matrix Spike Duplicate of MS/MSD pair,A random sample duplicate is spiked will a(mown amount of analyted.The recoveries <br /> are an indication of how that sample matrix affects analyte recovery. <br /> MSRPD :MS/MSD Relative I mciat Diffwenm(RPD)-The MS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> DQO :Data Quality Objective-This is the criteria a mast which the quality control data is <br /> Corperb 0R les i Laboratory Otrnaa&laboratory Oreaa A Laboratory Field ORtca <br /> 853 Corporatbn Street 25M Stagecoach Road 583 E.Lindo Avenue Visalia,Califomia <br /> Santa Paula,CA 93080 Stockton,CA 95215 Chico,CA 95926 TEL 559!/349473 <br /> TEL 805/392-2000 TEL:209/942-0182 TEL:530/343-5818 While 559f737-2399 <br /> FAX 805/5254172 FAX 209942-0423 FAX 530/3433807 FAX:559!/344435 <br /> CA NELAP Certiecation No,01110CA CA ELAP Cerhitkaton No.1663 CA ELAP CeN8ration No.2670 <br />