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F� N aCCOAOi <br /> a� <br /> EIYVIKONMEN TAL <br /> Analytical Chemists <br /> July 1.0,2009 Lab ID : STKO935751 <br /> Live Oak Geo Environmental Customer : 3-16508 <br /> Quality Control - Organic <br /> i <br /> Constituent Method DateAD Type Units Cone. QC Data DQO Nate j <br /> Organic <br /> I <br /> 1,3-Dibromopropane 504 0710812009:207121 Blank ug/L 05896 97.9% 70-130 <br /> WS ug/L 038% 101% 70-130 <br /> BS ug/L 0.5896 102% 70-130 <br /> BSD ug/L 05896 102% 70-130 <br /> BSRPD uFJL 058% 0.1% S30 <br /> BCP 504 0710812009207121 Blank ug/L ND <0.01 <br /> LCS ug/L 0.2950 93.7% 70-130 <br /> BS ug/L 0.2950 92.9% 70-130 j <br /> BSD ugIL 0.2950 93.9% 70-130 <br /> BSRPD u 0.5896 1.1% S30 <br /> 13DBP 504.1 07108/2009:208753 CCV ug/L 10.02 111 % 70-130 <br /> CCV u /L 1.0.021 112% 70-130 <br /> rBCP 504.1 0710812009:208753 CCV ug/L 5.015 95.5% 70430 <br /> --- — I i CCV u 10.03 89.8%a 70-130 <br /> efinition <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 /> BS :Blank Spikes-A blank is spiked with a known amount of analyte.It is prepared to verify that the preparation process is not <br /> affecting analyte recovery. <br /> :Blank Spike Duplicate of BS/BSD pair-A blank duplicate is spiked with a known amount of analyte.It is prepared to verify that <br /> BSD the preparation process is not affecting analyte recovery. j <br /> - BSRPD :BSBSD Relative Percent Difference(RPD)-The BS relative percent difference is an.indication of precision for the prcparetion <br /> and analysis. <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 /> I <br /> j <br /> i <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 Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 TEL:559/734-9473 <br /> TEL 8051392-2000 TEL 2091942-0182 TEL:53013435818 Mobile:5591737-2399 <br /> FAX:8051525-4172 FAX:2091942-0423 FAX:53n13433807 FAX:559/734-8435 <br /> CA NELAP Certification No.0111 OCA CA EtAP Certification No,1569 CA ELAP Gertiticatlon No.2670 <br />