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-- ENVIRONMSmVNTAL .i :,a <br /> Analytical Chemists <br /> June 16, 2008 Lab ID : STK0835467 <br /> Neil Anderson & Associates Customer : 3-9574 <br /> Quality Control - Inorganic <br /> Constituent Method Date/ID Type Units Cone. QC Data DQO Note <br /> Wet Chem <br /> Nitrate+Nitrite as N 450ONO3F 06/04/2008:205450 MS mg/L 4.000 74.3% 5-285 <br /> MSD mg/L 4.000 72.5% 5-285 <br /> MSRPD m 4.000 1.8% <30.4 <br /> 450ONO3F 06/04/2008:206058 CCB m9/1 -0.005 0.1 <br /> CCV mg/1 4.000 104% 90-110 <br /> CCB mg/1 -0.005 0.1 <br /> CCV m 1 4.000 103% 90-110 <br /> Dermition <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 of analyzed. The <br /> recoveries 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 /> DQO :Data Quality Objective-This is the criteria against which the quality control data is com mr . <br /> Corporab Offices&Laboratory Office&Laboratory Office&Laboratory Field Office <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Lind.Avenue Missile,California <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 TEL:559!734-9473 <br /> TEL:805/392-2000 TEL 209/942-0182 TEL 530/343-5818 Mobile:559/737-2399 <br /> FAX:805/525-4172 FAX:209/942-0423 FAX:530/343-3807 FAX:5597734-8435 <br /> CA NELAP Certification No.0111 OCA CA ELAP Certification No.1563 CA FLAP Certification No.2670 <br />