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March 4,2013 Lab ID : STK1331554 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control-Organic <br /> onslituenl \let hod WWII) I'Ion t'nit, Cone QC Data DQO Note <br /> )lytanir <br /> 11-Uibmmoethand I-DikI 504 02/22/13202054SBL Blank ug/L ND <0.02 <br /> LCIS ug(L 02950 83.9% 70-130 <br /> MS ug/L 02950 52.6% 70-130 435 <br /> (STK1331545-001) MSD ug/L 02950 49.7% 70-130 435 <br /> MSRPD UJVL 05868 5.9% S70 <br /> --t-Dibrorroprgraoe 504 02/22113:202054SBL Blank ug/L 0.5869 90.8% 70-130 <br /> LCS ug/L 05868 962% 70-130 <br /> MS ug/L 0.5868 115% 70-130 <br /> (STK1331545-001) MSD ttg/L 0.5868 115.6 70-130 <br /> MSRPD uPJL 0.5868 0.2 S30 <br /> BCP 504 0222/13:202054SBL Blank ug/L ND <0.01 <br /> LCS ug/L 02950 15.4% 70-130 <br /> MS ug/L 02950 77.0% 70-130 <br /> (STK1331545-001) MSD u9/L 02950 74.6% 70-130 <br /> MSRPD 05868 32% S30 <br /> 13DBP 504.1 02123/13:202664SBL CCV US(L 9.975 92.3% 70-130 <br /> CCV 7A81 88.8% 70-130 <br /> BCP 504.1 0227/13:202664SM CCV 118/L 5.015 79,2% 70-130 <br /> CCV UAtL 2.006 79.8% 70430 <br /> B 504.1 0223/13:202664SBL CCV ng/L 5.015 841% 70-130 <br /> CCV 1191L 2.0% 91.7% 70-130 <br /> DeHnitlon <br /> CCV :Continuing Calibration Verification-.Analyzed to verify the iretrument calibration is within criteria. <br /> Blank :Method Blank-Prepared to verify that the preparmim process w nth amtributing contamination to the samples. <br /> LCS :laboratory Control Standard/Sampic-Prepared to verify that the preparation process a not affecting acolyte recovery. <br /> MS :Matra Spikes-A random sample is spiked with a known amount of malyte.The recoveries are an indication ofhow 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 ofanalyted The recoveries <br /> are an indication of bow that sample matrix affects analyte recovery. <br /> MSRPD :MS/MSD Relative Percent Difference(RPD)- Me MS relative percent difference is an mditatwn ofprecision for the preparation <br /> and analysis. <br /> ND :Nero-detect-Result was below the DQO listM tin the analyte. <br /> :Data alit 0 -ect ve-This is the cmeria against which the qualitycornrcA data Is contpared <br /> Explanation <br /> 4-" Sam le matrix mac he aticoot this anal e.Data was acre ed horsed an the LCS orCCV recovery. <br /> Page 7 of 7 <br />