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ENVIRONMENTAL rel C <br /> Analytical Chemists <br /> May 15, 2008 Lab ID : STK0834467 <br /> Neil Anderson & Associates Customer : 3-9574 <br /> Quality Control - Inorganic <br /> Constituent Method Date/U) Type Units cone- QC Data DQO Note <br /> Wet Chem <br /> Nitrate+Nitrite as 450ONO3F 05/07/2008204438 MS mg/L 4.000 90.2% 5-285 <br /> MSD mg/L 4.000 11.8% 5-285 <br /> MSRPD 4.000 7.0% X30.4 <br /> 450ONO3F 05/072008:204870 ICB mg0 0.003 0.1 <br /> ICV RW 4.000 99.0% 90-110 <br /> CCB 1119/1 0.004 0.1 <br /> CCV 4.000 9&9% 90110 <br /> Definition <br /> IC`s :initial Calibration Verification-Analyzed to verify the instrument calibration is within criteria. <br /> JCB :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. The recoveries are an indication of how that sample <br /> matrix affects analyte recovery. <br /> MSD :Matnx Spike Duplicate of MS/MSD pair-A random sample duplicate is spiked with a known amw mt of analyzed. The <br /> recoveries are an indication of how that sample matrix affects analyte recovery. <br /> MSRPD :MS/MSD Relative Percent DifTawce(RPD)-The MS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> IXp :Dara Quality Objective-This is the critena a ainst which the quality control data n <br /> Corponrk*Omens 6 Laboratory Ogee b Laboratory Oltka&Labor2dory Field 0111ce <br /> 853 Corporation Steel 2500 Sta9ocoach Road! 583 E.Undo Avanue MUM.California <br /> Santa Paula.CA 93080 Stockton.CA 95215 Chico.CA 95928 TEL:559!/349473 <br /> TEL:805/392-2000 TEL 209/942-0182 TEL 530/343-5819 Mobile:559/737-2399 <br /> FAX 805/5254172 FAX:209/942-0423 FAX:5307343-3807 FAX 55917344435 <br /> re un eo renna�:,...u.. m�,ore re ci AP raea„-n nu.. rut re c.no re......-u.. 1e1n <br />