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ENVIRONMENTAL N Apq <br /> Cp <br /> DecemberAl` ,' gIRAL CHEMISTS Lab ID : STK539824 <br /> Precision Enviro-Tech Customer : 3-13102 <br /> Quality Control - Organic <br /> Constituent Method Date/ID Type Li nits Cone. QC Data DQO Note <br /> DBCP 504.1 12/26/2005:A203 Blank ug/L ND <0.01 <br /> LCS ug/L 0.2949 96.1% 70-130 <br /> BS ug/L 0.2949 97.7% 70-130 <br /> BSD ug/L 0.2949 94.79E 70-130 <br /> BSRPD ug/L 3.1% <_30 <br /> 504.1 12/26/2005:A 00-CCV ug/L 5.000 96.0% 70-130 <br /> 01-CCV ug/L 5.000 98.8% 70-1.30 <br /> 13 Dibrcmopr;pane-Surrogate 504.i 12/26;2005:A201 Blank ug/1, 0.5868 85.1% 70-130 <br /> 11CS ug/L 0.5868 85.4% 70-130 <br /> BS ug/L 0.5868 83.7% 70-130 <br /> BSD ug/L 0.5868 79.5% 70-130 <br /> 504.1 12/26/2005:A 00-CCV ug/L 9.975 83.6% 70-130 <br /> 01-CCV ug/L 9.975 85.5% 70-130 <br /> EDB 504.1 12/26/2005:A203 Blank ug/L ND <0.02 <br /> LCS ug/L 0.2949 81.2% 70-130 <br /> BS ug/L 0.2949 83.8% 70-130 <br /> BSD ug/L 0.2949 79.8% 70-130 <br /> BSRPD ug/L 4.9% .530 <br /> 504.1 12/26/2005:A 00-CCV ug/L 5.000 81.4% 70-130 <br /> 01-CCV ug/L 5.000 82.4% 70-130 <br /> Definitions <br /> Blank Method Blank - Prepared to verity 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 /> BS/BSD Blank Spikes - A blank is spiked with a known arnount 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 /> STK539824: Quality Control Paee I <br /> Corporate Offices&Laboratory Office&Laboratory Field Office <br /> P.O.Box 272/853 Corporation Street 2500 Stagecoach Road Visalia,California <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 /> FAX: (605)525-4172 FAX: (209)942-0423 Mobile: (559)737-2399 <br /> CA NELAP Certification No.01110CA CA ELAP Certification No. 1563 <br /> CA ELAP Certification No. 1573 <br />