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r `�o�N ACCOgOgN <br /> ENVIRONMENTAL <br /> Analytical Chemists <br /> March 20, 2009 Lab ID : STK0932193 <br /> San Joaquin County Solid Waste Customer : 3-2956 <br /> Quality Control-Inorganic <br /> r <br /> Constituent Method Date/ID Type Units Conc. QC Data DQO Note <br /> Wet Chem <br /> Cyanide 450OCNCE 03/18/2009:203479 CCV mg/L 0.1000 98.3% 90-110 <br /> CCB mg/L -0.0007 0.01 <br /> CCV mg/L 0.1000 102% 90-110 <br /> CCB m -0.0007 0.01 <br /> Cyanide,Total 9010B 03/16/2009:202714 Blank mg/L ND <0.004 <br /> LCS mg/L 0.1000 97.7% 90-110 <br /> LCS mg/L 0.4000 103% 90-110 <br /> MS mg/L 0.05000 84.5% 5-223 <br /> (SP 0902348-001) MSD mg/L 0.05000 85.7% 5-223 <br /> MSRPD m 0.05000 1.4% _510.0 <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 /> Blank :Method Blank-Prepared to verify that the preparation process is not contributing contamination to the samples. <br /> LCS :Laboratory Control Standard/Sample-Prepared to verify that the preparation process is not affecting analyte recovery. <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 analyted.The recoveries <br /> 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 /> ND :Non-detect-Result was below the DQO listed for the analyte. <br /> DQO :Data Quality Objective-This is the criteria against which the guality control data is compared. <br /> i• <br /> 1 <br /> i <br /> d <br /> a <br /> Page 4 of 4 <br /> Corporate Offlces&Laboratory Office&Laboratory Office&Laboratory Field Office <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo Avenue Visalia,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:559/734-8435 <br /> CA NELAP Certification No.0111 OCA CA ELAP Certification No.1563 CA ELAP Certification No.2670 <br />