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Y1rI YEN N 1A�..�' <br /> ANALYTICAL CHEMISTS <br /> January S, 2008 Lab ID : STK0751909 <br /> Neil Anderson & Associates Customer : 3-9574 <br /> Quality Control - Inorganic <br /> i <br /> Constituent Method DatelID Type Units Conc. QC Data DQO Note <br /> Wet Chem <br /> Nitrate t Nitrite as N 450ONO3F 1211412007:212084 MS mg1L 4.000 -61.1°lo 5-285 435 <br /> MSD mg/L 4.000 -60.2 90 5-285 435 <br /> MSRPD m 4.000 0.5% X30.4 <br /> 450ONO3F 1211412007:212900 CCB mg/l 0.047 0.1 <br /> CCV mgll 4.000 97.8% 90-110 <br /> CCB mgll 0.064 0.1 <br /> CCV L—Eez, 1 4.000 1 96.7% 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 bow that sample <br /> matrix affects analyte recovery. <br /> MSD :Matrix Spike Duplicate of MSIMSD pair-A random sample duplicate is spiked with a known amount of analyted. The <br /> recoveries are an indication of how that sample matrix affects analyte recovery. <br /> MSRPD :MSIMSD 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 compared. <br /> Explaination <br /> 4 435 :Sample.matrix may be affecting this anal e. Data was accepted based on the LCS or CCV recovery. <br /> 1 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Field Office <br /> P.O.Box 2721853 Corporation Street 2500 Stagecoach Road 563 E.Undo Avenue Visalia,California <br /> Santa Paula,CA 93061-0272 Stockton,CA 95215 Chico,CA 95926 TEL:5591734-9473 <br /> TEL:8051392-2000 TEL:2091942-0182 TEL:530/S43-5818 Mobile:559!737-2399 <br /> FAX:8051525-4172 FAX:2091942-0423 FAX:5301343-3807 FAX:559f734-8435 <br /> CA NFLAP Certification No.0111 OCA CA FLAP Certification No.1563 CA FLAP Certification No.2670 <br />