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-_= ENVIRONMENTAL <br /> Decemb r�i; A` CHEMISTS Lab ID STK539767 <br /> Precision Enviro-Tech Customer : 3-13102 <br /> Anality Control - Organic <br /> EConstituent Method Date/1D Type Units Cone. QC Data DQO Note <br /> DBCP 504.1 12/2012005:A203 Blank uglL ND C0.01 <br /> LCS uglL 0.2949 97.9% 70-130 <br /> MS ug/L 0.2949 104% 70-130 <br /> (SP 512987-01) MSD uglL 0.2949 96.1% 70-130 <br /> MSRPD uglL 8.2% 530 <br /> 504.1 12/20/2005:A 01-CCV ug/L 5.000 102% 70-130 <br /> 02-CCV ug1L 10.00 105% 70-130 <br /> 1,3-13ibromopropane-Surrogate 504.1 12/20/2005:A203 Blank ug/L 0.5868 S5.6% 70-130 <br /> i LCS ug/L 0.5868 81.8% 70-130 <br /> MS ug1L 0.5868 88.5% 70-130 <br /> f.� <br /> (SP 512987-01) MSA uglL 0.5868 77.6% 70-130 <br /> 504.1 12/20/2005:A 01-CCV ug/L 9.975 87.6% 70-130 <br /> 02-CCV ug/L 9.975 92.1% 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 /> �1 recovery. <br /> MS/MSD Matrix Spikes - A random sample is spiked with a known amount of analyte. The recoveries are an indication o <br /> how that sample matrix affects analyte recovery. <br /> i CCV Continuing Calibration Verification - Analyzed to verify the instrument calibration is within criteria. <br /> NDNon-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 /> . <br /> i <br /> i <br /> v <br /> f F <br /> i <br /> 1 w <br /> Pl <br /> t <br /> STK539767: Quality Control Pae 1 <br /> Corporate Offices&Laboratory office&Laboratory Field Office <br /> P.O.Box 2721 853 Corporation Street 2500 Stagecoach Road Visalia,California <br /> f 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: (805)525-4172 FAX: (209)942-0423 Mobile: (559)737-2399 <br /> CAN F_LAP Certification No.0111 OCA CA ELAP Certification No. 563 <br /> CA FLAP Certification No. '1573 <br />