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ENVIRONMENTAL <br /> F <br /> Analytical Chemists <br /> January 19,2011 Lab ID : STK1130252 <br /> .Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control-Organic <br /> nstihtent Method Date/ID Type Units Cotte. QC Data DQO Note <br /> rganic <br /> 1,2-Dibromoethane(EDB) 504 011101201.1:200343 Blank ug/L ND <0.02 <br /> LCS uglL 0.2950 77.0% 70-130 <br /> MS ug/L 0.2950 108% 70-130 <br /> (SM 130097-001) MSD ug/L, 0.2950 109% 70-130 <br /> MSRPD ugIL 0.2950 0.9% _C30 <br /> 1,3-Dibromopropane 504 0111012011:200343 Blank ug/L 0-%68 86.9% 70-130 <br /> LCS ug/L 0.5868 85.1 % 70-130 <br /> MS ug/L 0.5868 89.7% 70-130 � <br /> (STKI130097-001) MSD uglL 0,5868 87.0% 70-130 i <br /> MSRPD usrJL 0.2950 3.1% X30 <br /> BCP504 01/I012011:200343 Blank ug/L ND <0.01 <br /> LCS ug/L 0.2950 81.0% 70-130 <br /> MS ug/L 0.2950 109% 70-130 <br /> (STK1130097-001) MSD ug/L 0.2950 105% 70-130 <br /> MSRPD ug/L 0.2950 2.8% <30 <br /> 13DBP 504.1 01/10/2011:200454 . CCV ug/L 7.481 90.5% 70-130 <br /> CCV ug/L 9.975 9.39% 70-130 i <br /> CCV ug/L 7.481 973% 70-130 <br /> BCP 504.1 01/10/2011:200454 CCV ug/L 2.006 94.2% 70-1.30 1 <br /> CCV ug/L 5.015 88.9% 70-130 <br /> CCV u /L I 2.006 1 97.7% 70-130 <br /> B 504.1 0111012011:200454 CCV ug/L 2.006 1 94,2% 70-130 <br /> CCV ug/L 5.015 82.2% 70-130 j <br /> CCV ug/L 1 2.006 99.7% 1 70-130 <br /> Definition <br /> CCV :Continuing Calibration Verification-Analyzed to verify the instrument calibration 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 /> Data QualityOb' 've_-This is the criteria a ainst.whicb thequality,control data isDm red. <br /> k <br /> Page 6 of 7 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Field Office <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Undo Avenue Visalia,Calitomia <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 TEL:559834-9473 <br /> TEL:805!392-2000 TEL:2091942-01 82 TEL:5301343-5818 Mobile:559f737.2399 <br /> FAX:805/525-1172 FAX:209/942-0423 FAX:530/343-3807 FAX:559f734-8435 <br /> CA NELAP Certification No.01110CA CA ELAP Certification No.1563 CA ELAP Certification No.2670 <br />