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ENVIRONMENTAL C� <br /> ,Analytical Chemists <br /> December 18,2009 Lab ID : STKO951205 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control - Organic <br /> I1 <br /> ttstituenl Method DotelID Type Units Conic. QC Data DQO J Note <br /> &antic <br /> BCP 504 1211612009:213107 Blank ug/L ND <0.01 <br /> LCS uglL 0.2950 121% 70-130 <br /> MS uglL '`= 0.2950 114% 70-130 <br /> (STK0951139-001) MSD ug1L 0.2950 114% 70-130 <br /> MSRPD u 1L 0.5896 0.2%p 90 <br /> 504.1 1211612009:216197 CCV uglL S.O15 118% 70-130 <br /> CCV u IL 5.015 122% 70-130 <br /> DeHtdtfon <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 /> M517 :Marx Spike Duplicate of MS/MSD pair-A random sample duplicate is spiked with a known amount of analysed.The recoveries <br /> are an indication of how that sample matrix affects analyte recovery. <br /> MSRPD :MSIMSD Relative Percent Difference(RPD)-The MS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> F ND :Non-detect-Result was below the DQO listed for the analyte. <br /> O ;Data Quality Ob'ective-This is the criteria against which the ualit control data is compared <br /> 1. <br /> i <br /> Page 6 of 7 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Field Office <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo Avenue Visalia,California <br /> Santa Pauka,CA93OeO Stockton,CA 95215 Chico,CA 95926 TEL:5591734-9473 <br /> TEL 805/392-2000 TEL 2091942-0182 TEL:5301343-5818 Mobiles 5591737-2399 <br /> FAX 805r525-4172 FAX:2097942-0423 FAX:530/343-3607 FAX:5581734-8435 <br /> CA NELAP Certification No.01110CA CA FLAP Certifioation No.1563 CA ELAP Certification No.2670 <br /> i <br />