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ENVIRONMENTAL <br /> neL c_. <br /> ` CHEMISTS <br /> Novemb§N 1I' Lab ID STK538559 <br /> Precision Enviro-Tech Customer : 3-13102 <br /> Quality Control - Organic <br /> Constituent Method Date/ID Type Units Conc. QC Data DQO Note <br /> DBCP 504.1 11/06/2005:A203 Blank ug/L ND <0.01 <br /> LCS ug/L 0.2949 109% 70-130 <br /> BS ug/L 0.2949 113% 70-130 <br /> BSD ug/L 0.2949 105% 70-130 <br /> BSRPD ug/L 7.3% <30 <br /> 504.1 11/07/2005:A 00-CCV ug/L 5.000 113% 70-130 <br /> r 01-CCV ug/L 5.000 113% 70-130 <br /> 1,3-DibromoproismeSurrogare 504.1 11/06/2005:A203 Blank ug/L 0.5868 109% 70-130 <br /> iL LCS ug/L 0.5868 109% 70-130 <br /> BS ug/L 0.5868 109% 70-130 <br /> BSD ug/L 0.5868 109% 70-130 <br /> 504.1 11/07/2005:A 00-CCV ug/L 9.975 110% 70-130 <br /> 1` O1-CCV ug/L 9.975 113% 70-130 <br /> Definitions <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 <br /> recovery. <br /> BSBSD Blank Spikes - A blank is spiked with a known amount of analyte. It is prepared to verify that the preparation <br /> process is not affecting analyte recovery. <br /> CCV Continuing. Calibration Verification - Analyzed to verify the instrument calibration is within criteria. <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 quality control data is compared. <br /> L <br /> L <br /> V <br /> r <br /> r <br /> STK54R999- Quality Control Pape 1 <br /> Corporate Offices;&Laboratory Office&Laboratory Field Office <br /> P.O.Boz 272/853 Corporation Street 2500 Stagecoach Road Visalia,Cal fornia <br /> Santa Paula,CA 93061-0272 Stockton,CA 95215 TEL (559)734-9473 <br /> TEL (805)392-2000 TEL: (209)942-0182 FAX: (559)734-8435 <br /> r FAX: (805)5254172 FAX: (209)942-0423 Mobile: (559)737-2399 <br /> CA NELAPCeraficanon No.01110CA CA ELAP Certification No.1563 <br /> CA ELAP Cornification No.1573 <br />